{"title":"Universal Moldings","description":"\u003cp\u003eSouth Mountain Supply stocks professional universal auto glass moldings for windshield and window installation. Our universal moldings provide a clean, weather-tight seal across a wide range of vehicle makes and models, eliminating the need for vehicle-specific parts in many applications. Trusted by glass professionals across North America since 1992.\u003c\/p\u003e","products":[{"product_id":"prp-08100usm","title":"Precision Universal 8mm Underside Glass Molding w\/ Tape | 100ft Roll | PRP08100USM","description":"\u003cp\u003e\u003cstrong\u003e✓ In stock\u003c\/strong\u003e — ships within 1 business day\u003c\/p\u003e\n\u003cp\u003ePrecision 8mm universal underside glass molding, made from a custom compound engineered to hold its profile across a wide temperature range — stays flexible in cold, doesn't shrink in heat. Pre-applied adhesive tape bonds directly to the glass, eliminating the need for separate adhesive during installation. Sold per 100-foot roll.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 100ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Underside (USM) — solid compound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Custom compound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTape Backing:\u003c\/strong\u003e Pre-applied adhesive tape\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PRP08100USM\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication\u003c\/h2\u003e\n\u003cp\u003eUniversal fit — width selection is based on the glass channel or pinch weld dimension of the vehicle being serviced. Verify channel measurement before ordering. Designed for both OEM and aftermarket glass installations.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat does underside glass molding do?\u003c\/summary\u003e\n\u003cp\u003eUnderside glass molding seats between the bottom edge of the glass and the vehicle's pinch weld or channel. It provides a consistent seal, prevents the glass from making direct metal contact with the body, and cushions the glass during and after installation. It also helps exterior moulding sit flush and even around the glass opening.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow do I select the right width?\u003c\/summary\u003e\n\u003cp\u003eMeasure the depth of the glass channel or pinch weld on the vehicle. The molding width should match or slightly exceed that dimension to ensure proper compression and seal. This 8mm profile suits vehicles with medium-depth channels. When in doubt between two sizes, err toward the slightly wider option for a better seal.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference between solid compound and foam\/sponge molding?\u003c\/summary\u003e\n\u003cp\u003eSolid compound molding (this product) provides a firm, consistent profile with minimal compression — best when the channel dimension closely matches the molding width and a rigid fit is needed. Foam or sponge molding compresses more, making it better for tighter tolerances or vehicles with uneven channels. Both styles use pre-applied tape for bonding to the glass.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow much molding do I need per installation?\u003c\/summary\u003e\n\u003cp\u003eA typical passenger vehicle windshield requires approximately 12–16 feet of underside molding depending on the size and shape of the glass. A 100-foot roll covers roughly 6–8 complete windshield installations — a practical shop supply quantity. For occasional single-vehicle use, the 75-foot rolls in our foam series may be more economical.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with both OEM and aftermarket glass?\u003c\/summary\u003e\n\u003cp\u003eYes — Precision universal underside molding works with both OEM and aftermarket replacement glass. Because it is cut to length on-site, it accommodates virtually any glass profile. Always verify the channel dimension on the specific glass being installed, as aftermarket profiles can vary slightly from OEM.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Precision","offers":[{"title":"Default Title","offer_id":43674935525591,"sku":"PRP-08100USM","price":58.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/products\/PRP08100USM-1.jpg?v=1677551082"},{"product_id":"prp-10100usm","title":"Precision Universal 10mm Underside Glass Molding w\/ Tape | 100ft Roll | PRP10100USM","description":"\u003cp\u003e\u003cstrong\u003e✓ In stock\u003c\/strong\u003e — ships within 1 business day\u003c\/p\u003e\n\u003cp\u003ePrecision 10mm universal underside glass molding, made from a custom compound that maintains its profile in cold and heat without shrinking. Pre-applied adhesive tape bonds to the glass edge for quick, clean installation. The wider 10mm profile suits vehicles with deeper channels or pinch welds. Sold per 100-foot roll.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 10mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 100ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Underside (USM) — solid compound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Custom compound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTape Backing:\u003c\/strong\u003e Pre-applied adhesive tape\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PRP10100USM\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication\u003c\/h2\u003e\n\u003cp\u003eUniversal fit — select width based on the measured channel or pinch weld depth of the vehicle. This 10mm profile is designed for vehicles with wider or deeper glass channels. Verify measurement before ordering.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat does underside glass molding do?\u003c\/summary\u003e\n\u003cp\u003eUnderside glass molding seats between the bottom edge of the glass and the vehicle's pinch weld or channel. It creates a consistent seal, cushions the glass against the body, and prevents direct metal-to-glass contact. Proper underside molding also helps exterior trim and moulding sit flush around the glass opening.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow do I select the right width?\u003c\/summary\u003e\n\u003cp\u003eMeasure the channel or pinch weld depth on the vehicle. The 10mm profile suits vehicles with wider or deeper glass seats. If you are choosing between 8mm and 10mm, select 10mm when the channel is clearly deep or when you notice the 8mm sits too low in the channel without filling it properly.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference between solid compound and foam\/sponge molding?\u003c\/summary\u003e\n\u003cp\u003eSolid compound (this product) provides a firm, stable profile with minimal compression — ideal when a precise, rigid fit is needed and the channel dimension closely matches the molding width. Foam\/sponge versions compress more easily, which helps accommodate tighter tolerances or irregularities in the channel. Both use pre-applied tape for glass bonding.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow much molding do I need per installation?\u003c\/summary\u003e\n\u003cp\u003eMost passenger vehicle windshields require 12–16 feet of underside molding. At 100 feet per roll, this provides enough for 6–8 complete installations — a solid shop supply. For high-volume shops, ordering by the roll is significantly more economical than purchasing pre-cut lengths.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with both OEM and aftermarket glass?\u003c\/summary\u003e\n\u003cp\u003eYes — this universal molding is cut to length on-site and works with OEM and aftermarket replacement glass alike. Aftermarket glass profiles can vary slightly from OEM, so always verify the channel dimension on the specific glass being installed before cutting the molding to length.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Precision","offers":[{"title":"Default Title","offer_id":43674940539095,"sku":"PRP-10100USM","price":60.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/products\/PRP10100USM-1.jpg?v=1677551330"},{"product_id":"prp-1375cav","title":"Precision Universal 13mm Cavity Glass Molding | 75ft Roll | PRP1375CAV","description":"\u003cp\u003e\u003cstrong\u003e✓ In stock\u003c\/strong\u003e — ships within 1 business day\u003c\/p\u003e\n\u003cp\u003ePrecision 13mm cavity-style universal glass molding — a U-channel profile that wraps around and grips the glass edge, providing a clean, finished appearance around the glass opening. Made from a custom compound with an OEM-type finish that stays flexible in cold and doesn't shrink. Contains butyl in the channel to help secure the molding to the glass. Sold per 75-foot roll.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 13mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Cavity (C-channel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Custom compound with OEM-type finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Fill:\u003c\/strong\u003e Butyl adhesive pre-applied in channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PRP1375CAV\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication\u003c\/h2\u003e\n\u003cp\u003eUniversal fit — cavity molding width should match the edge thickness of the glass being installed. Verify glass edge dimension and channel opening before ordering. Used where a finished molding profile around the glass perimeter is required.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is cavity-style glass molding?\u003c\/summary\u003e\n\u003cp\u003eCavity or C-channel molding has a U-shaped cross-section that slides over and grips the edge of the glass. Unlike underside molding (which sits under the glass during installation), cavity molding wraps around the glass perimeter and provides a visible, finished trim appearance. It is commonly used on fixed-glass applications where a clean edge is needed around the glass opening.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow do I select the right cavity molding width?\u003c\/summary\u003e\n\u003cp\u003eMeasure the thickness of the glass edge (typically 4–6mm for standard automotive glass) and select a cavity molding whose channel opening matches. The 13mm designation refers to the overall width of the molding profile — verify that the internal channel fits the glass edge thickness before cutting and applying.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat does the butyl in the channel do?\u003c\/summary\u003e\n\u003cp\u003eThe pre-applied butyl adhesive in the channel helps the molding grip and stay seated on the glass edge without needing additional adhesive. Butyl also provides a flexible, weatherproof bond — it remains pliable over time and won't harden or crack the way some adhesives can in extreme temperatures.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow much molding do I need per installation?\u003c\/summary\u003e\n\u003cp\u003eCalculate the perimeter of the glass opening and add 10–15% for waste and corner fitting. Most passenger vehicle windshields have a perimeter of 12–16 feet. A 75-foot roll typically covers 4–5 complete glass perimeters depending on vehicle size.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with OEM and aftermarket glass?\u003c\/summary\u003e\n\u003cp\u003eYes — this universal cavity molding is cut to length on-site and fits both OEM and aftermarket glass edges. Always verify the glass edge thickness on the specific glass being installed, as aftermarket profiles can vary slightly from OEM.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Precision","offers":[{"title":"Default Title","offer_id":43674950074583,"sku":"PRP-1375CAV","price":37.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/products\/PRP1375CAV-1.jpg?v=1677551483"},{"product_id":"prp-1775tl","title":"Precision Universal 17mm Conventional Glass Molding w\/ Trim Line | 75ft Roll | PRP1775TL","description":"\u003cp\u003e\u003cstrong\u003e✓ In stock\u003c\/strong\u003e — ships within 1 business day\u003c\/p\u003e\n\u003cp\u003ePrecision 17mm conventional-style universal glass molding with an integrated trim line — an OEM-finish exterior molding that covers the gap between the glass edge and the vehicle body. Custom compound construction stays flexible in cold and doesn't shrink. The built-in trim line provides a finished, OEM-style appearance. Sold per 75-foot roll.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 17mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Conventional with integrated trim line\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Custom compound with OEM-type finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PRP1775TL\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication\u003c\/h2\u003e\n\u003cp\u003eUniversal fit — conventional molding width should match the gap dimension at the glass perimeter. Verify the gap width on the vehicle before ordering. Available in 21mm (PRP2175TL) for wider openings.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is conventional-style glass molding?\u003c\/summary\u003e\n\u003cp\u003eConventional glass molding is an exterior trim strip that covers and bridges the gap between the glass edge and the vehicle body panel. Unlike cavity molding (which grips the glass edge) or underside molding (which goes under the glass), conventional molding sits on top of the installed glass, providing a weatherproof seal and a finished appearance around the glass perimeter. The trim line in this product adds a decorative element along the visible outer face.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat does the integrated trim line do?\u003c\/summary\u003e\n\u003cp\u003eThe trim line is a decorative feature built into the outer face of the molding — typically a contrasting color or chrome-style accent stripe that runs along the length of the molding. It provides an OEM-type finished appearance, giving the glass installation a polished look that matches many factory windshield trim styles.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow do I select the right width for conventional molding?\u003c\/summary\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the adjacent body panel at the widest point. The molding should be wide enough to bridge and cover this gap while lying flat. The 17mm profile suits most standard windshield openings; for wider gaps, the 21mm version (PRP2175TL) is available.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow much molding do I need per installation?\u003c\/summary\u003e\n\u003cp\u003eMost passenger vehicle windshields require 12–16 feet of exterior molding depending on vehicle size. A 75-foot roll provides enough for 4–5 complete installations. Add 10–15% when cutting to account for corner fitting and waste.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with OEM and aftermarket glass?\u003c\/summary\u003e\n\u003cp\u003eYes — this universal molding is cut to length on-site and fits both OEM and aftermarket replacement glass. Gap dimensions can vary slightly between OEM and aftermarket glass, so verify the perimeter gap on the specific glass being installed before cutting.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Precision","offers":[{"title":"Default Title","offer_id":43675502772439,"sku":"PRP-1775TL","price":40.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/products\/PRP1775TL_LGE-4.jpg?v=1677551816"},{"product_id":"prp-1675cav","title":"Precision Universal 16mm Cavity Glass Molding | 75ft Roll | PRP1675CAV","description":"\u003cp\u003e\u003cstrong\u003e✓ In stock\u003c\/strong\u003e — ships within 1 business day\u003c\/p\u003e\n\u003cp\u003ePrecision 16mm cavity-style universal glass molding — a wider U-channel profile for glass openings that require a broader trim appearance. Made from a custom compound with an OEM-type finish that stays flexible in cold and resists shrinking. Butyl pre-applied in the channel for secure adhesion to the glass edge. Sold per 75-foot roll.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 16mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Cavity (C-channel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Custom compound with OEM-type finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Fill:\u003c\/strong\u003e Butyl adhesive pre-applied in channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PRP1675CAV\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication\u003c\/h2\u003e\n\u003cp\u003eUniversal fit — select cavity molding width to match the glass edge thickness and desired visible profile width. The 16mm profile provides a wider trim appearance than the 13mm version (PRP1375CAV). Verify glass edge and opening dimensions before ordering.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is cavity-style glass molding?\u003c\/summary\u003e\n\u003cp\u003eCavity or C-channel molding has a U-shaped cross-section that slides over the glass edge and provides a clean, finished appearance around the glass perimeter. Unlike underside molding, cavity molding is visible from the exterior — it's both a functional seal and a decorative trim element. Butyl in the channel bonds it securely to the glass edge.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhen should I use 16mm vs. 13mm cavity molding?\u003c\/summary\u003e\n\u003cp\u003eUse 16mm (this product) when a wider visible profile is needed around the glass opening, or when the glass edge or channel geometry requires more coverage. Use 13mm (PRP1375CAV) for a narrower profile or when the glass opening has less clearance. In both cases, verify the internal channel fits the glass edge thickness.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat does the butyl in the channel do?\u003c\/summary\u003e\n\u003cp\u003ePre-applied butyl adhesive grips the glass edge and holds the molding in place without additional adhesive. Butyl stays flexible in extreme temperatures, provides a weatherproof bond, and won't crack or harden over time the way rigid adhesives can. It also helps the molding conform evenly around corners.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow much molding do I need per installation?\u003c\/summary\u003e\n\u003cp\u003eMeasure the glass perimeter and add 10–15% for waste and corner fitting. Most passenger vehicle windshields have a perimeter of 12–16 feet. A 75-foot roll covers approximately 4–5 complete glass perimeters depending on vehicle size.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with OEM and aftermarket glass?\u003c\/summary\u003e\n\u003cp\u003eYes — this universal cavity molding is cut to length on-site and works with both OEM and aftermarket glass. Aftermarket glass edge profiles can vary slightly from OEM, so always verify the edge thickness on the specific glass being installed before cutting and applying.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Precision","offers":[{"title":"Default Title","offer_id":43675508080855,"sku":"PRP-1675CAV","price":39.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/products\/PRP1675CAV_LGE-4.jpg?v=1677551588"},{"product_id":"prm09usmf-9mm-foam-sponge-underside-molding-w-tape-honda-style-75","title":"Precision Universal 9mm Foam Underside Glass Molding Honda Style w\/ Tape | 75ft | PRM09USMF","description":"\u003cp\u003e\u003cstrong\u003e✓ In stock\u003c\/strong\u003e — ships within 1 business day\u003c\/p\u003e\n\u003cp\u003ePrecision 9mm foam underside glass molding in the Honda-style profile — EPDM sponge rubber construction stays flexible across a wide temperature range without shrinking. Designed to match the specific channel geometry common on Honda vehicles, making for a cleaner fit with less trimming. Pre-applied adhesive tape bonds to the glass edge for fast, reliable installation. Sold per 75-foot roll.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 9mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Underside (USM) — foam\/sponge, Honda profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e EPDM sponge rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTape Backing:\u003c\/strong\u003e Pre-applied adhesive tape\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PRM09USMF\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication\u003c\/h2\u003e\n\u003cp\u003eUniversal fit with a Honda-optimized profile. Particularly suited to Honda and Acura models where the 9mm channel depth and Honda-style geometry is common. Can also be used on other vehicles where 9mm foam underside molding is appropriate — verify channel measurement before ordering.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat does underside glass molding do?\u003c\/summary\u003e\n\u003cp\u003eUnderside glass molding seats between the bottom edge of the glass and the vehicle's pinch weld or channel. It creates a consistent seal, cushions the glass against the body, and prevents direct metal-to-glass contact. Proper underside molding also helps exterior trim and moulding sit flush and even around the glass opening after installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is the \"Honda style\" profile?\u003c\/summary\u003e\n\u003cp\u003eThe Honda-style profile refers to the cross-sectional shape of the molding, which is optimized to match the channel geometry commonly found on Honda and Acura vehicles. This profile reduces the need for hand-trimming and provides a more consistent fit compared to generic profiles on Honda applications. It can also be used on non-Honda vehicles where the 9mm dimension fits the channel.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference between EPDM foam\/sponge and solid compound molding?\u003c\/summary\u003e\n\u003cp\u003eEPDM foam\/sponge molding (this product) compresses under pressure, making it ideal for tighter channels, vehicles with slight dimensional variation, or applications where a conforming, forgiving fit is needed. Solid compound molding is firmer and better suited to channels where precise sizing is known and minimal compression is desired. Both types bond to the glass via pre-applied tape.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow much molding do I need per installation?\u003c\/summary\u003e\n\u003cp\u003eA typical passenger vehicle windshield requires approximately 12–16 feet of underside molding. A 75-foot roll covers 4–6 complete windshield installations, making it a practical single-box shop supply for technicians who do moderate windshield volume.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with both OEM and aftermarket glass?\u003c\/summary\u003e\n\u003cp\u003eYes — because this molding is cut to length on-site, it works with both OEM and aftermarket replacement glass. Always verify the channel dimension on the specific glass being installed, as aftermarket profiles can vary slightly from OEM. The Honda-style profile is especially well-matched to Honda and Acura OEM and aftermarket glass.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Precision","offers":[{"title":"Default Title","offer_id":43681710964951,"sku":"PRM09USMF","price":61.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/products\/PRM09USMF_LGE-4.jpg?v=1680557503"},{"product_id":"prp-2175tl-21mm","title":"Precision Universal 21mm Conventional Glass Molding w\/ Trim Line | 75ft Roll | PRP2175TL","description":"\u003cp\u003e✅ \u003cstrong\u003eIn Stock\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe PRP 2175TL is a 21mm conventional-style underglass molding with an integrated decorative trim line. It creates a clean, finished appearance along the glass edge and is designed for use in a wide range of standard glass openings. Tape-backed for fast, secure installation.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PRP 2175TL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 21mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft (22.8m) roll\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Conventional with Trim Line\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTape Backing:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication\u003c\/h2\u003e\n\u003cp\u003eDesigned for conventional glass openings where a finished, decorative trim line is preferred. Use this molding wherever a clean edge profile with an integrated accent is required. Check the width guide below to confirm fit before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the pinchweld or channel. For conventional-style molding, the width should fill the gap without overhanging onto the glass surface. At 21mm, this is one of the wider options in the Precision line — suited for wider openings commonly found on truck cab glass, rear windows, and some commercial applications.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat's the difference between conventional and underside molding?\u003c\/summary\u003e\n\u003cp\u003eUnderside molding (USM) runs underneath the glass edge and is hidden from view. Conventional molding with a trim line sits along the edge of the glass and is visible from the exterior, creating a finished decorative appearance. PRP 2175TL is designed for applications where that visible edge detail is part of the finished look.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat does the trim line do?\u003c\/summary\u003e\n\u003cp\u003eThe trim line is a decorative accent integrated into the molding profile — it runs the length of the strip and gives the installation a clean, factory-finished look from the outside. It's common in applications where bare molding would look unfinished or where aesthetics are a priority alongside weatherseal function.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eIs this molding tape-backed?\u003c\/summary\u003e\n\u003cp\u003eYes. PRP 2175TL includes a tape backing along the bonding surface, which helps secure the molding in position during installation. Clean and dry the surface before applying for best adhesion.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow much molding do I need per job?\u003c\/summary\u003e\n\u003cp\u003eFor a standard windshield, most installers use 6 to 9 feet of molding depending on the vehicle. A 75ft roll covers approximately 8 to 12 installations. If you're doing high-volume work, buying by the roll is significantly more cost-effective than per-piece purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I cut and shape this molding?\u003c\/summary\u003e\n\u003cp\u003eUse a sharp utility knife or molding cutter for clean cuts. For corners and curves, warm the molding slightly — a heat gun on low or warm water — to make it more pliable before bending. Avoid sharp kinks; gradual curves hold their shape better and seal more evenly.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Precision","offers":[{"title":"Default Title","offer_id":43796783759575,"sku":"PRP 2175TL","price":42.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/PRP2175TL_LGE-4.jpg?v=1682990924"},{"product_id":"prp05100usmf-5mm-foam-sponge-underside-molding-w-tape-75","title":"Precision Universal 5mm Foam Underside Glass Molding w\/ Tape | 75ft Roll | PRM05USMF","description":"\u003cp\u003e\u003cstrong\u003e✓ In stock\u003c\/strong\u003e — ships within 1 business day\u003c\/p\u003e\n\u003cp\u003ePrecision 5mm foam underside glass molding — high-quality EPDM sponge rubber that stays flexible in cold temperatures without shrinking in heat. The narrow 5mm profile is designed for vehicles with shallower glass channels, providing a proper seal without overfilling the channel or causing the glass to sit too high. Pre-applied adhesive tape for direct bonding to the glass. Sold per 75-foot roll.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Underside (USM) — foam\/sponge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e EPDM sponge rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTape Backing:\u003c\/strong\u003e Pre-applied adhesive tape\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PRM05USMF\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication\u003c\/h2\u003e\n\u003cp\u003eUniversal fit — suited for vehicles with shallow glass channels where a narrower underside profile is required. Verify channel measurement before ordering. Also available in a 100-foot roll (PRP05100USMF) for higher-volume shop use.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat does underside glass molding do?\u003c\/summary\u003e\n\u003cp\u003eUnderside glass molding seats between the bottom edge of the glass and the vehicle's pinch weld or channel. It provides a consistent seal, cushions the glass against the body, and prevents direct metal-to-glass contact. Correct width selection is critical — molding that's too wide raises the glass above the channel; too narrow and the glass sits unevenly.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow do I know if 5mm is the right width?\u003c\/summary\u003e\n\u003cp\u003eMeasure the depth of the glass channel or pinch weld on the vehicle. A 5mm profile is appropriate for vehicles with shallower channels — typically compact cars and certain imports. If the channel is 5mm or slightly less, this molding will compress slightly for a firm, sealed fit. If the channel is significantly deeper than 5mm, use a wider profile (7mm, 8mm, 9mm, or 10mm).\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference between EPDM sponge and solid compound molding?\u003c\/summary\u003e\n\u003cp\u003eEPDM sponge (this product) compresses under pressure, making it forgiving in channels with slight dimensional variation and easier to work around curves. Solid compound is firmer and dimensionally stable — better when the channel measurement closely matches the molding width and minimal compression is preferred. Both bond to the glass via pre-applied tape.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow much molding do I need per installation?\u003c\/summary\u003e\n\u003cp\u003eA typical passenger vehicle windshield requires 12–16 feet of underside molding. A 75-foot roll covers 4–6 complete installations. For shops doing higher windshield volume, the 100-foot version (PRP05100USMF) offers the same material in a longer roll.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with both OEM and aftermarket glass?\u003c\/summary\u003e\n\u003cp\u003eYes — this molding is cut to length on-site and works with both OEM and aftermarket glass. Verify the channel dimension on the specific glass being installed before cutting, as aftermarket profiles can vary from OEM.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Precision","offers":[{"title":"Default Title","offer_id":43803510800599,"sku":"PRM05USMF","price":61.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/PRM05USMF_LGE-4.jpg?v=1682990654"},{"product_id":"prm07100usmf-7mm-foam-sponge-underside-molding-w-tape-75","title":"Precision Universal 7mm Foam Underside Glass Molding w\/ Tape | 75ft Roll | PRM07USMF","description":"\u003cp\u003e\u003cstrong\u003e✓ In stock\u003c\/strong\u003e — ships within 1 business day\u003c\/p\u003e\n\u003cp\u003ePrecision 7mm foam underside glass molding — EPDM sponge rubber construction that stays flexible in cold and resists shrinking in heat. The 7mm profile is one of the most commonly used widths in windshield installation, fitting a wide range of domestic and import vehicles with mid-depth glass channels. Pre-applied adhesive tape for fast, direct bonding to the glass. Sold per 75-foot roll.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Underside (USM) — foam\/sponge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e EPDM sponge rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTape Backing:\u003c\/strong\u003e Pre-applied adhesive tape\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PRM07USMF\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication\u003c\/h2\u003e\n\u003cp\u003eUniversal fit — 7mm is one of the most versatile underside profiles and works across a wide range of vehicles. Verify channel measurement before ordering. Also available in a 100-foot roll (PRP07100USMF) for higher-volume shop use.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat does underside glass molding do?\u003c\/summary\u003e\n\u003cp\u003eUnderside glass molding seats between the bottom edge of the glass and the vehicle's pinch weld or channel. It creates a consistent seal, cushions the glass against the body, and prevents direct metal-to-glass contact. Proper underside molding also helps exterior trim and moulding sit flush around the glass opening after installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhy is 7mm such a common width?\u003c\/summary\u003e\n\u003cp\u003e7mm strikes a balance between narrow profiles (5mm) suited to compact vehicles and wider profiles (9mm–10mm) needed for trucks and SUVs with deeper channels. Many mid-size domestic and import passenger vehicles — sedans, crossovers, minivans — use a 7mm underside profile, making it the most frequently stocked width for general auto glass shops.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference between EPDM sponge and solid compound molding?\u003c\/summary\u003e\n\u003cp\u003eEPDM sponge (this product) compresses under pressure, which makes it forgiving in channels with slight dimensional variation and easy to work around bends and corners. Solid compound is firmer and holds its shape without compression — better when the channel measurement closely matches the molding width and a rigid profile is preferred. Both bond to the glass via pre-applied tape.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow much molding do I need per installation?\u003c\/summary\u003e\n\u003cp\u003eA typical passenger vehicle windshield requires approximately 12–16 feet of underside molding. A 75-foot roll covers 4–6 complete installations. For higher-volume use, the 100-foot version (PRP07100USMF) is also available at the same price per foot.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with both OEM and aftermarket glass?\u003c\/summary\u003e\n\u003cp\u003eYes — this universal molding is cut to length on-site and works with both OEM and aftermarket replacement glass. Aftermarket profiles can vary slightly from OEM, so always verify the channel dimension on the specific glass before cutting.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Precision","offers":[{"title":"Default Title","offer_id":43803535835351,"sku":"PRM07USMF","price":54.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/PRM07USMF_LGE-4.jpg?v=1682991052"},{"product_id":"prm05100usmf-5mm-foam-sponge-underside-molding-w-tape-100","title":"Precision Universal 5mm Foam Underside Glass Molding w\/ Tape | 100ft Roll | PRP05100USMF","description":"\u003cp\u003e\u003cstrong\u003e✓ In stock\u003c\/strong\u003e — ships within 1 business day\u003c\/p\u003e\n\u003cp\u003ePrecision 5mm foam underside glass molding — EPDM sponge rubber that stays flexible in cold without shrinking in heat. The narrow 5mm profile suits vehicles with shallower glass channels. Pre-applied adhesive tape bonds directly to the glass edge. Sold per 100-foot roll for higher-volume shop use.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 100ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Underside (USM) — foam\/sponge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e EPDM sponge rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTape Backing:\u003c\/strong\u003e Pre-applied adhesive tape\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PRP05100USMF\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication\u003c\/h2\u003e\n\u003cp\u003eUniversal fit — suited for vehicles with shallow glass channels. Verify channel measurement before ordering. Also available in a 75-foot roll (PRM05USMF) for lower-volume or single-vehicle use.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat does underside glass molding do?\u003c\/summary\u003e\n\u003cp\u003eUnderside glass molding seats between the bottom edge of the glass and the vehicle's pinch weld or channel. It creates a consistent seal, cushions the glass against the body, and prevents direct metal-to-glass contact. Correct width selection is critical — too wide raises the glass; too narrow and it sits unevenly.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow do I know if 5mm is the right width?\u003c\/summary\u003e\n\u003cp\u003eMeasure the depth of the glass channel or pinch weld. A 5mm profile is best for shallow channels found on many compact cars and imports. If the channel is significantly deeper, use a wider profile (7mm, 8mm, 9mm, or 10mm).\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference between EPDM sponge and solid compound molding?\u003c\/summary\u003e\n\u003cp\u003eEPDM sponge compresses under pressure — ideal for tighter channels or vehicles with slight dimensional variation and easier to work around curves. Solid compound holds its shape without compression — best when the channel closely matches the molding width and a rigid, stable profile is preferred. Both bond to glass via pre-applied tape.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow much molding do I need per installation?\u003c\/summary\u003e\n\u003cp\u003eMost passenger vehicle windshields require 12–16 feet of underside molding. A 100-foot roll covers approximately 6–8 complete installations — the right stock quantity for shops doing steady windshield volume. The 75-foot roll (PRM05USMF) is available for lighter-use situations.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with both OEM and aftermarket glass?\u003c\/summary\u003e\n\u003cp\u003eYes — cut to length on-site, this molding works with OEM and aftermarket replacement glass alike. Verify the channel dimension on the specific glass being installed, as aftermarket profiles can vary slightly from OEM.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Precision","offers":[{"title":"Default Title","offer_id":45950514725079,"sku":"PRP05100USMF","price":61.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/PRP05100USM_LGE-4.jpg?v=1735862655"},{"product_id":"prm07usmf-7mm-foam-sponge-underside-molding-w-tape-75-copy","title":"Precision Universal 7mm Foam Underside Glass Molding w\/ Tape | 100ft Roll | PRP07100USMF","description":"\u003cp\u003e\u003cstrong\u003e✓ In stock\u003c\/strong\u003e — ships within 1 business day\u003c\/p\u003e\n\u003cp\u003ePrecision 7mm foam underside glass molding — EPDM sponge rubber, the most commonly stocked width for general auto glass shops. Fits a wide range of domestic and import vehicles with mid-depth channels. Pre-applied adhesive tape for fast bonding to the glass. Sold per 100-foot roll for higher-volume shop use.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 100ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Underside (USM) — foam\/sponge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e EPDM sponge rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTape Backing:\u003c\/strong\u003e Pre-applied adhesive tape\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PRP07100USMF\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication\u003c\/h2\u003e\n\u003cp\u003eUniversal fit — 7mm is one of the most versatile underside profiles and works across a broad range of vehicles. Verify channel measurement before ordering. Also available in a 75-foot roll (PRM07USMF).\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat does underside glass molding do?\u003c\/summary\u003e\n\u003cp\u003eUnderside glass molding seats between the bottom edge of the glass and the vehicle's pinch weld or channel. It provides a consistent seal, cushions the glass against the body, and prevents direct metal-to-glass contact. It also helps exterior trim and moulding sit flush around the glass opening after installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhy is 7mm such a common width?\u003c\/summary\u003e\n\u003cp\u003e7mm balances the narrow profiles (5mm) needed for compact cars with the wider profiles (9–10mm) needed for trucks and SUVs. Most mid-size sedans, crossovers, and minivans — domestic and import — use a 7mm underside profile, making it the go-to shop stock width for general windshield work.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference between EPDM sponge and solid compound molding?\u003c\/summary\u003e\n\u003cp\u003eEPDM sponge compresses under pressure, making it forgiving in channels with slight dimensional variation and easy to run around bends and corners. Solid compound holds its dimension without compressing — better when the channel measurement closely matches the molding width and a rigid profile is preferred. Both bond to the glass via pre-applied tape.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow much molding do I need per installation?\u003c\/summary\u003e\n\u003cp\u003eA typical passenger vehicle windshield requires 12–16 feet of underside molding. A 100-foot roll covers approximately 6–8 complete installations. The 75-foot roll (PRM07USMF) is available for shops with lighter usage or limited storage.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with both OEM and aftermarket glass?\u003c\/summary\u003e\n\u003cp\u003eYes — this molding is cut to length on-site and works with both OEM and aftermarket replacement glass. Always verify the channel dimension on the specific glass being installed, as aftermarket profiles can vary slightly from OEM.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Precision","offers":[{"title":"Default Title","offer_id":45950533894359,"sku":"PRP07100USMF","price":54.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/PRP07100USM_LGE-4.jpg?v=1735863028"},{"product_id":"pugm1-marcy-underglass-molding-8mm-x-75-ft","title":"Marcy PUGM1 Underglass Molding 8mm × 75ft | Solid | Windshield Installation","description":"\u003cp\u003e\u003cstrong\u003e✓ In stock\u003c\/strong\u003e — ships within 1 business day\u003c\/p\u003e\n\u003cp\u003eMarcy PUGM1 is an 8mm solid underglass molding — the foundation strip that sits between the glass and the pinch weld during windshield installation. Solid construction provides a firm, dimensionally stable profile that holds its shape without compression. Made in the USA. Sold per 75-foot roll.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Solid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Marcy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PUGM1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003eSelect PUGM width based on the measured pinch weld or channel dimension of the vehicle being serviced. The molding should fill the channel adequately — too narrow and the glass sits unevenly; too wide and the glass sits too high. Verify measurement before ordering.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is underglass molding used for?\u003c\/summary\u003e\n\u003cp\u003eUnderglass molding — also called setting tape or setting bead — is placed along the pinch weld before the glass is set into the urethane bead. It provides a consistent resting surface that keeps the glass at the correct height and prevents it from sinking into the urethane before it cures. It also protects the glass edge from direct contact with the metal body.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhen should I use solid vs. sponge vs. firm sponge PUGM?\u003c\/summary\u003e\n\u003cp\u003eSolid PUGM (this product) holds its dimension without compressing — best when the pinch weld height is consistent and you need the glass to sit at a specific, fixed height. Sponge profiles compress slightly to accommodate minor variations in pinch weld height across the opening. Firm sponge sits between the two — it compresses somewhat but with more resistance than standard sponge. Most shops stock all three to match vehicle-specific conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow many feet of underglass molding does a typical installation require?\u003c\/summary\u003e\n\u003cp\u003eA standard passenger vehicle windshield opening typically requires 10–14 feet of underglass molding, placed along the bottom and sides of the pinch weld. A 75-foot roll covers approximately 5–7 complete windshield installations, making it a practical single-roll shop supply.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs Marcy PUGM compatible with urethane and ribbon sealer installations?\u003c\/summary\u003e\n\u003cp\u003eYes — Marcy PUGM underglass molding is designed for use with both urethane (most common on modern vehicles) and ribbon sealer (used on older vehicles). The solid profile is particularly reliable under urethane installations where a firm, non-compressing base is needed for consistent glass height across the opening.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow does PUGM1 differ from the other PUGM profiles (PUGM2 through PUGM7)?\u003c\/summary\u003e\n\u003cp\u003ePUGM1 is the widest solid profile at 8mm. PUGM2 (5mm sponge) and PUGM3 (7mm sponge) are narrower and compress more. PUGM4 and PUGM5 are firm sponge profiles at 7mm and 6mm respectively. PUGM6 is a 9.5mm sponge and PUGM7 is a 10mm solid — both for deeper channels. Choose based on your pinch weld measurement and the compression behavior needed for the installation.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Marcy","offers":[{"title":"Default Title","offer_id":46402986410199,"sku":"PUGM1","price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/PUGM1.jpg?v=1750121687"},{"product_id":"pugm2-marcy-underglass-molding-5mm-x-75-ft","title":"Marcy PUGM2 Underglass Molding 5mm × 75ft | Sponge | Windshield Installation","description":"\u003cp\u003e\u003cstrong\u003e✓ In stock\u003c\/strong\u003e — ships within 1 business day\u003c\/p\u003e\n\u003cp\u003eMarcy PUGM2 is a 5mm sponge underglass molding — the narrowest profile in the PUGM line, designed for vehicles with shallow pinch welds. Sponge construction compresses slightly under the glass for a forgiving, conforming fit. Made in the USA. Sold per 75-foot roll.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Sponge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Marcy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PUGM2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003ePUGM2's 5mm width is suited to vehicles with shallower pinch welds — typically compact cars and many imports. Verify pinch weld depth before ordering. For deeper channels, see PUGM3 (7mm sponge), PUGM6 (9.5mm sponge), PUGM1 (8mm solid), or PUGM7 (10mm solid).\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is underglass molding used for?\u003c\/summary\u003e\n\u003cp\u003eUnderglass molding — also called setting tape or setting bead — is placed along the pinch weld before the glass is set into the urethane bead. It keeps the glass at the correct height, prevents it from sinking before the urethane cures, and protects the glass edge from direct contact with the metal pinch weld.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhen should I use sponge vs. solid vs. firm sponge PUGM?\u003c\/summary\u003e\n\u003cp\u003eSponge profiles (PUGM2, PUGM3, PUGM6) compress under the weight of the glass — they're ideal for vehicles where slight pinch weld height variation exists across the opening, as the compression accommodates inconsistencies. Solid profiles (PUGM1, PUGM7) don't compress and provide a fixed glass height. Firm sponge (PUGM4, PUGM5) compresses with more resistance — a middle ground between full sponge and solid.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow many feet of underglass molding does a typical installation require?\u003c\/summary\u003e\n\u003cp\u003eA standard passenger vehicle windshield opening typically requires 10–14 feet of underglass molding along the pinch weld. A 75-foot roll covers approximately 5–7 complete installations — a practical single-roll supply for most shops.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs Marcy PUGM compatible with urethane and ribbon sealer installations?\u003c\/summary\u003e\n\u003cp\u003eYes — Marcy PUGM underglass molding works with both urethane and ribbon sealer methods. The sponge profile is especially well-suited to urethane installations on vehicles where slight pinch weld irregularities might cause height variation under a rigid molding.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow does PUGM2 differ from the other PUGM profiles?\u003c\/summary\u003e\n\u003cp\u003ePUGM2 is the narrowest sponge profile at 5mm. PUGM3 (7mm sponge) and PUGM6 (9.5mm sponge) are wider sponge options. PUGM4 (7mm firm sponge) and PUGM5 (6mm firm sponge) offer more resistance to compression. PUGM1 (8mm solid) and PUGM7 (10mm solid) don't compress at all. Choose based on pinch weld measurement and the compression behavior needed.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Marcy","offers":[{"title":"Default Title","offer_id":46403012493527,"sku":"PUGM2","price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/PUGM2.jpg?v=1750121660"},{"product_id":"pugm3-marcy-underglass-molding-7mm-x-75-ft","title":"Marcy PUGM3 Underglass Molding 7mm × 75ft | Sponge | Windshield Installation","description":"\u003cp\u003e\u003cstrong\u003e✓ In stock\u003c\/strong\u003e — ships within 1 business day\u003c\/p\u003e\n\u003cp\u003eMarcy PUGM3 is a 7mm sponge underglass molding — the most commonly used sponge width in the PUGM line, fitting a broad range of mid-size domestic and import vehicles. Sponge construction compresses slightly under the glass for a conforming, forgiving fit across minor pinch weld variations. Made in the USA. Sold per 75-foot roll.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Sponge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Marcy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PUGM3\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003ePUGM3's 7mm width is one of the most versatile options in the PUGM line and works across a wide range of vehicles. For shallower pinch welds, see PUGM2 (5mm sponge). For deeper channels, see PUGM6 (9.5mm sponge) or PUGM7 (10mm solid). For a firm sponge option at 7mm, see PUGM4.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is underglass molding used for?\u003c\/summary\u003e\n\u003cp\u003eUnderglass molding is placed along the pinch weld before the glass is set into the urethane bead. It provides a consistent resting surface that keeps the glass at the correct height and prevents it from sinking before the urethane cures. It also protects the glass edge from direct contact with the metal pinch weld.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhen should I use sponge vs. solid vs. firm sponge PUGM?\u003c\/summary\u003e\n\u003cp\u003eSponge (this product) compresses slightly under the glass, accommodating minor pinch weld height variation across the opening — useful when the pinch weld isn't perfectly consistent. Solid profiles (PUGM1, PUGM7) hold a fixed height without compression. Firm sponge (PUGM4, PUGM5) compresses with more resistance than standard sponge — a middle ground for situations requiring some flexibility but more control over final glass height.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow many feet of underglass molding does a typical installation require?\u003c\/summary\u003e\n\u003cp\u003eA standard passenger vehicle windshield opening requires approximately 10–14 feet of underglass molding along the pinch weld. A 75-foot roll covers 5–7 complete installations — a practical shop supply quantity.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs Marcy PUGM compatible with urethane and ribbon sealer installations?\u003c\/summary\u003e\n\u003cp\u003eYes — Marcy PUGM underglass molding works with both urethane and ribbon sealer methods. The 7mm sponge profile is particularly well-suited to urethane installations on a wide range of vehicles where slight pinch weld variation is expected.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow does PUGM3 differ from PUGM4, which is also 7mm?\u003c\/summary\u003e\n\u003cp\u003ePUGM3 is standard sponge — it compresses more readily under the glass, making it more forgiving on inconsistent or wavy pinch welds. PUGM4 is firm sponge at the same 7mm width — it resists compression more, giving the installer better control over final glass height while still accommodating minor variations. Use PUGM3 when you need maximum conformity; use PUGM4 when you want more firmness with just a little give.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Marcy","offers":[{"title":"Default Title","offer_id":46403052208343,"sku":"PUGM3","price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/PUGM3.jpg?v=1750121636"},{"product_id":"pugm4-marcy-underglass-molding-7mm-x-75-ft","title":"Marcy PUGM4 Underglass Molding 7mm × 75ft | Firm Sponge | Windshield Installation","description":"\u003cp\u003e\u003cstrong\u003e✓ In stock\u003c\/strong\u003e — ships within 1 business day\u003c\/p\u003e\n\u003cp\u003eMarcy PUGM4 is a 7mm firm sponge underglass molding — the middle ground between standard sponge and solid. It compresses under the glass for some give, but with more resistance than PUGM3, giving the installer better control over final glass height without sacrificing all flexibility. Made in the USA. Sold per 75-foot roll.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Firm Sponge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Marcy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PUGM4\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003ePUGM4 at 7mm firm sponge is the controlled-compression option for mid-depth pinch welds. For a softer 7mm sponge, see PUGM3. For a 6mm firm sponge, see PUGM5. For solid (no compression) options, see PUGM1 (8mm) or PUGM7 (10mm).\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is underglass molding used for?\u003c\/summary\u003e\n\u003cp\u003eUnderglass molding is placed along the pinch weld before the glass is set into the urethane bead. It provides a consistent resting surface that keeps the glass at the correct height and prevents it from sinking before the urethane cures. It also protects the glass edge from direct contact with the metal pinch weld.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat makes firm sponge different from standard sponge and solid?\u003c\/summary\u003e\n\u003cp\u003eStandard sponge (PUGM2, PUGM3) compresses readily — maximum conformity, best for uneven pinch welds. Solid (PUGM1, PUGM7) doesn't compress — a fixed, predictable height. Firm sponge (this product) splits the difference: it gives slightly under the glass weight for better seating than solid, but resists enough that the installer has more control over how high the glass sits than with a softer sponge. Many experienced technicians prefer firm sponge as a general-purpose underglass option.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow many feet of underglass molding does a typical installation require?\u003c\/summary\u003e\n\u003cp\u003eA standard passenger vehicle windshield requires approximately 10–14 feet of underglass molding. A 75-foot roll covers 5–7 complete installations — enough for a week or more of steady windshield work for most technicians.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs Marcy PUGM compatible with urethane and ribbon sealer installations?\u003c\/summary\u003e\n\u003cp\u003eYes — Marcy PUGM works with both urethane and ribbon sealer. Firm sponge is especially useful in urethane applications where some give is needed but the installer wants to maintain more predictable glass height than a soft sponge provides.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow does PUGM4 compare to PUGM5, the other firm sponge option?\u003c\/summary\u003e\n\u003cp\u003ePUGM4 is 7mm firm sponge; PUGM5 is 6mm firm sponge. Both have the same resistance level and compression behavior — the only difference is the width. Choose PUGM4 for vehicles with mid-depth pinch welds (~7mm) and PUGM5 for slightly shallower pinch welds (~6mm).\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Marcy","offers":[{"title":"Default Title","offer_id":46403082977495,"sku":"PUGM4","price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/PUGM4.jpg?v=1750121614"},{"product_id":"pugm5","title":"Marcy PUGM5 Underglass Molding 6mm × 75ft | Firm Sponge | Windshield Installation","description":"\u003cp\u003e\u003cstrong\u003e✓ In stock\u003c\/strong\u003e — ships within 1 business day\u003c\/p\u003e\n\u003cp\u003eMarcy PUGM5 is a 6mm firm sponge underglass molding — controlled compression for vehicles with shallower pinch welds. Firm sponge construction gives slightly under the glass for a good seat while resisting enough to maintain a consistent glass height. Made in the USA. Sold per 75-foot roll.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Firm Sponge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Marcy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PUGM5\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003ePUGM5 at 6mm firm sponge is ideal for vehicles with slightly shallower pinch welds than the 7mm options. For the same firm sponge behavior at 7mm, see PUGM4. For a softer sponge at 5mm, see PUGM2. For the narrowest solid option, see PUGM1 (8mm solid).\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat is underglass molding used for?\u003c\/summary\u003e\n\u003cp\u003eUnderglass molding sits along the pinch weld before the glass is set into the urethane. It keeps the glass at the correct height, prevents sinking before the urethane cures, and protects the glass edge from direct metal contact.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat makes firm sponge different from standard sponge and solid?\u003c\/summary\u003e\n\u003cp\u003eStandard sponge compresses more readily — best for uneven pinch welds where maximum conformity is needed. Solid doesn't compress at all — a fixed, predictable height. Firm sponge (this product) is the middle ground: it gives slightly for better glass seating than solid, while resisting enough to give the installer more height control than a soft sponge. Many technicians use firm sponge as their default underglass choice.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow many feet of underglass molding does a typical installation require?\u003c\/summary\u003e\n\u003cp\u003eA standard passenger vehicle windshield requires approximately 10–14 feet of underglass molding. A 75-foot roll covers 5–7 complete installations — a practical stock quantity for active technicians.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs Marcy PUGM compatible with urethane and ribbon sealer installations?\u003c\/summary\u003e\n\u003cp\u003eYes — Marcy PUGM works with both urethane and ribbon sealer. Firm sponge is well-suited to urethane applications where the installer wants more height control than standard sponge provides while still having some give for glass seating.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow does PUGM5 compare to PUGM4?\u003c\/summary\u003e\n\u003cp\u003ePUGM5 (6mm firm sponge) and PUGM4 (7mm firm sponge) have identical compression behavior — only the width differs. Use PUGM5 when the pinch weld depth is closer to 6mm; use PUGM4 when it's closer to 7mm. If you're between sizes, the slightly wider option generally provides a better seal.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Marcy","offers":[{"title":"Default Title","offer_id":46406815056087,"sku":"PUGM5","price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/PUGM5.jpg?v=1750121585"},{"product_id":"pugm6-marcy-underglass-molding-9-5mm-x-75ft-sponge","title":"Marcy PUGM6 Underglass Molding 9.5mm × 75ft | Sponge | Windshield Installation","description":"\u003cp\u003e✅ \u003cstrong\u003eIn Stock\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Marcy PUGM6 is a 9.5mm sponge underglass molding designed for windshield and auto glass installation. Sponge compound compresses easily to fill the gap between glass and pinchweld, creating a weather-tight, rattle-free seal. Sold as a 75ft roll.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PUGM6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 9.5mm (3\/8\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft (22.8m) roll\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e Sponge\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Underglass \/ windshield installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the pinchweld. For sponge compound, select a molding that's 1–2mm wider than the measured gap — sponge compresses under glass weight and creates a tighter seal than a loose fit. At 9.5mm, PUGM6 fits a wide range of domestic and import windshield openings where the gap runs in the 8–9mm range.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat's the difference between sponge and solid underglass molding?\u003c\/summary\u003e\n\u003cp\u003eSponge compound is softer and more compressible — it flattens slightly when the glass is set, filling irregular gaps and absorbing minor alignment differences. Solid compound is denser and holds its shape, which makes it ideal for tight, consistent gaps. For most windshield installations with a standard pinchweld, sponge is the more forgiving choice.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I know which width to order?\u003c\/summary\u003e\n\u003cp\u003eMeasure the gap between the edge of the glass and the pinchweld before ordering. For sponge molding, select a width 1–2mm larger than the measured gap to ensure the compound compresses into a proper seal. If you're between sizes, go up, not down.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow much molding does one job use?\u003c\/summary\u003e\n\u003cp\u003eA standard windshield typically uses 6 to 9 feet of underglass molding. A 75ft roll covers approximately 8 to 12 installs. For high-volume shops, buying by the roll keeps your cost per job low.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan this be used on rear or side glass?\u003c\/summary\u003e\n\u003cp\u003eYes. Underglass molding is used anywhere there's a pinchweld-to-glass gap that needs sealing — front windshields, rear windows, and quarter glass. Confirm the gap width before ordering to ensure the right size for each application.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDoes this molding need adhesive?\u003c\/summary\u003e\n\u003cp\u003eUnderglass molding is held in place by the weight and pressure of the glass itself, along with the urethane adhesive bead. No separate adhesive is needed for the molding. Position it along the pinchweld before setting the glass, and the compression from installation locks it in place.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Marcy","offers":[{"title":"Default Title","offer_id":46406865125591,"sku":"PUGM6","price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/PUGM6.jpg?v=1750121558"},{"product_id":"pugm7-marcy-underglass-molding-10mm-x-75ft-solid","title":"Marcy PUGM7 Underglass Molding 10mm × 75ft | Solid | Windshield Installation","description":"\u003cp\u003e✅ \u003cstrong\u003eIn Stock\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Marcy PUGM7 is a 10mm solid underglass molding for windshield and auto glass installation. Solid compound maintains its shape and provides a firm, consistent support surface between the glass edge and the pinchweld. Sold as a 75ft roll.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PUGM7\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 10mm (3\/8\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft (22.8m) roll\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e Solid\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Underglass \/ windshield installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the pinchweld. Solid compound does not compress significantly, so select a width that closely matches your measured gap. At 10mm, PUGM7 is one of the larger solid options and is suited for vehicles where the pinchweld gap runs wider than standard — confirm your measurement before ordering.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat's the difference between solid and sponge underglass molding?\u003c\/summary\u003e\n\u003cp\u003eSolid compound holds its shape under the glass — it doesn't compress or deform during installation. This gives you a stable, uniform support surface and is ideal for consistent gaps where you want predictable placement. Sponge is better for irregular or tight gaps where some flex is needed. For clean, consistent pinchwelds with a known gap width, solid is the more precise choice.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right width?\u003c\/summary\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the pinchweld. For solid molding, select a width that matches or is within 0.5mm of your gap — solid compound doesn't compress, so a loose fit won't seal properly. If your measurement puts you between sizes, go slightly smaller; the adhesive bead handles the rest of the seal.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow much molding does one job use?\u003c\/summary\u003e\n\u003cp\u003eA standard windshield typically uses 6 to 9 feet of underglass molding. A 75ft roll covers approximately 8 to 12 installs — well-suited for shop stock or ongoing jobs.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan this be used on rear or side glass?\u003c\/summary\u003e\n\u003cp\u003eYes. Solid underglass molding works for any opening with a consistent pinchweld gap — front windshields, rear windows, and quarter glass. Confirm the exact gap width before ordering to make sure 10mm solid is the right fit for your application.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDoes this molding need adhesive?\u003c\/summary\u003e\n\u003cp\u003eNo separate adhesive is needed for the molding itself. The glass weight and urethane adhesive bead hold everything in place. Position the molding along the pinchweld before glass set, and the installation process secures it.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Marcy","offers":[{"title":"Default Title","offer_id":46406875709655,"sku":"PUGM7","price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/PUGM7.jpg?v=1750121534"},{"product_id":"qm16-marcy-quantum-molding-16mm-x-22-8","title":"Marcy Quantum Molding 16mm × 75ft | 5\/8\" Universal Exterior Replacement | QM16","description":"\u003cp\u003e✅ \u003cstrong\u003eIn Stock\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Marcy QM16 is a 16mm flexible universal exterior replacement molding, sold as a 75ft roll. A versatile mid-width option, it fits a wide range of standard glass openings on sedans, SUVs, and light trucks. The flexible compound seats cleanly around the glass perimeter and provides a durable, weather-resistant finish wherever original molding has failed or been removed.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QM16\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 16mm (approx. 5\/8\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft (22.8m) roll\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Universal exterior replacement molding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or channel. At 16mm, QM16 is a common fit for mid-size sedans, crossovers, and SUVs with standard exterior molding channels. If you need the same width with a decorative accent on the outer face, the QM16L Design Line is the same molding with an integrated trim detail.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is Quantum Molding?\u003c\/summary\u003e\n\u003cp\u003eQuantum Molding is a flexible exterior universal replacement molding designed to fit a wide range of glass openings without requiring a vehicle-specific part. It installs along the exterior glass edge and provides a clean, weather-resistant finish. It's commonly used when OEM molding is damaged, missing, or no longer available as a direct replacement.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat's the difference between QM16 and QM16L?\u003c\/summary\u003e\n\u003cp\u003eBoth are 16mm wide, but QM16L is the Design Line version — it has a decorative accent integrated into the outer face of the molding, giving it a more finished, OEM-style appearance from the exterior. If the molding will be highly visible and the vehicle had a more styled original trim, QM16L is worth considering. For a straightforward replacement with a clean profile, QM16 is the standard choice.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I select the right width?\u003c\/summary\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or pinchweld. The molding width should match this gap closely. Quantum Molding is flexible enough to handle minor variation, but if you're between sizes, the narrower width typically seats more cleanly than one that's too wide.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow is this installed?\u003c\/summary\u003e\n\u003cp\u003ePress the molding into place along the glass edge, typically after the glass has been set. Work around the perimeter section by section, pressing firmly into the channel. For tight curves, a brief pass with a heat gun on low makes the molding more pliable. A molding tool or wide flathead helps seat it evenly without scuffing the surrounding trim.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow much molding does one job use?\u003c\/summary\u003e\n\u003cp\u003eA standard windshield perimeter uses approximately 12 to 16 feet of exterior molding. A 75ft roll covers roughly 4 to 6 full installs. For smaller glass like quarter windows or rear sliders, a roll goes significantly further.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Marcy","offers":[{"title":"Default Title","offer_id":46406997999831,"sku":"QM16","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/QM16-3D_4b2139d2-449e-49d4-866c-9ee0fb39717b.jpg?v=1750120797"},{"product_id":"qm19-marcy-quantum-molding-19mm-x-22-8m-3-4-x-75ft","title":"Marcy Quantum Molding 19mm × 75ft | 3\/4\" Universal Exterior Replacement | QM19","description":"\u003cp\u003e✅ \u003cstrong\u003eIn Stock\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Marcy QM19 is a 19mm flexible universal exterior replacement molding, sold as a 75ft roll. A common width for full-size domestic vehicles, SUVs, and vans, it installs cleanly along the glass perimeter and provides a durable, finished edge wherever original molding has deteriorated or been removed. The flexible compound works around curves without kinking.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QM19\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 19mm (approx. 3\/4\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft (22.8m) roll\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Universal exterior replacement molding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or channel. At 19mm, QM19 suits full-size cars, SUVs, pickups, and vans with wider exterior molding channels. If you need the same width with a decorative accent, the QM19L Design Line is the same profile with an integrated trim detail on the outer face.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is Quantum Molding?\u003c\/summary\u003e\n\u003cp\u003eQuantum Molding is a flexible exterior universal replacement molding designed to fit a wide range of glass openings without requiring a vehicle-specific part. It installs along the exterior glass edge and provides a clean, weather-resistant finish. It's commonly used when OEM molding is damaged, missing, or no longer available as a direct replacement.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat's the difference between QM19 and QM19L?\u003c\/summary\u003e\n\u003cp\u003eBoth are 19mm wide, but QM19L is the Design Line version — it includes a decorative accent on the outer face of the molding, giving the installation a more styled, OEM-like appearance. If aesthetics and visible trim detail matter for the job, QM19L is the upgrade. For a clean standard replacement profile, QM19 is the straightforward choice.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I select the right width?\u003c\/summary\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or pinchweld. The molding width should match this gap closely. Quantum Molding is flexible enough to handle minor variation, but if you're between sizes, the narrower width typically seats more cleanly than one that's too wide.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow is this installed?\u003c\/summary\u003e\n\u003cp\u003ePress the molding into place along the glass edge, typically after the glass has been set. Work around the perimeter section by section, pressing firmly into the channel. For tight curves, a brief pass with a heat gun on low makes the molding more pliable. A molding tool or wide flathead helps seat it evenly without scuffing the surrounding trim.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow much molding does one job use?\u003c\/summary\u003e\n\u003cp\u003eA standard windshield perimeter uses approximately 12 to 16 feet of exterior molding. A 75ft roll covers roughly 4 to 6 full installs. For smaller glass like quarter windows or rear sliders, a roll goes significantly further.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Marcy","offers":[{"title":"Default Title","offer_id":46407001800919,"sku":"QM19","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/QM19-3D.jpg?v=1750121455"},{"product_id":"qm25-marcy-quantum-molding-25mm-x-22-8m-1-x-75ft","title":"Marcy Quantum Molding 25mm × 75ft | 1\" Universal Exterior Replacement | QM25","description":"\u003cp\u003e✅ \u003cstrong\u003eIn Stock\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Marcy QM25 is a 25mm flexible universal exterior replacement molding, sold as a 75ft roll. Suited for large glass openings on full-size trucks, commercial vehicles, and applications where a wide channel requires more coverage, it installs cleanly along the glass edge and holds its shape at the perimeter. Flexible compound navigates curves without buckling.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QM25\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 25mm (approx. 1\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft (22.8m) roll\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Universal exterior replacement molding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or channel. At 25mm, QM25 is a wide-channel option suited for large windshields, truck cab glass, and specialty applications. If your measurement falls between 1\" and 1.25\", compare QM25 against QM31 before ordering — a width that's too wide won't seat cleanly.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is Quantum Molding?\u003c\/summary\u003e\n\u003cp\u003eQuantum Molding is a flexible exterior universal replacement molding designed to fit a wide range of glass openings without requiring a vehicle-specific part. It installs along the exterior glass edge and provides a clean, weather-resistant finish. It's commonly used when OEM molding is damaged, missing, or no longer available as a direct replacement.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat's the difference between standard and Design Line?\u003c\/summary\u003e\n\u003cp\u003eStandard Quantum Molding has a uniform profile across the full width. Design Line versions (QM16L and QM19L) feature a decorative accent on the outer face. QM25 is only available in standard — for most wide-channel applications, a clean standard profile is the appropriate choice.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I select the right width?\u003c\/summary\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or pinchweld. The molding width should match this gap closely. At wider dimensions, precision matters more — too narrow and the gap shows; too wide and the molding won't seat properly. Measure before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow is this installed?\u003c\/summary\u003e\n\u003cp\u003ePress the molding into place along the glass edge, typically after the glass has been set. Work around the perimeter section by section, pressing firmly into the channel. For tight curves, a brief pass with a heat gun on low makes the molding more pliable. A molding tool or wide flathead helps seat it evenly without scuffing the surrounding trim.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow much molding does one job use?\u003c\/summary\u003e\n\u003cp\u003eA standard windshield perimeter uses approximately 12 to 16 feet of exterior molding. A 75ft roll covers roughly 4 to 6 full installs. For large truck or commercial glass where the perimeter is longer, plan on the higher end of that range per job.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Marcy","offers":[{"title":"Default Title","offer_id":46407003537623,"sku":"QM25","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/QM25-3D.jpg?v=1750120634"},{"product_id":"qm31-marcy-quantum-molding-31mm-x-15-2m-1-25-x-50ft","title":"Marcy Quantum Molding 31mm × 50ft | 1-1\/4\" Universal Exterior Replacement | QM31","description":"\u003cp\u003e✅ \u003cstrong\u003eIn Stock\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Marcy QM31 is a 31mm flexible universal exterior replacement molding — the widest option in the Quantum line — sold as a 50ft roll. Designed for specialty applications with extra-wide glass channels, it provides a clean, weather-resistant finish along the exterior glass edge. The shorter roll length reflects the reduced linear footage needed for wide-channel work.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QM31\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 31mm (approx. 1-1\/4\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 50ft (15.2m) roll\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Universal exterior replacement molding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or channel. At 31mm, QM31 is the widest Quantum option and is reserved for applications where the exterior channel genuinely requires that coverage. If your gap measures closer to 1\", the QM25 is likely the better fit. Confirm your measurement before ordering — at this width, a mis-sized molding won't seat correctly.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is Quantum Molding?\u003c\/summary\u003e\n\u003cp\u003eQuantum Molding is a flexible exterior universal replacement molding designed to fit a wide range of glass openings without requiring a vehicle-specific part. It installs along the exterior glass edge and provides a clean, weather-resistant finish. It's commonly used when OEM molding is damaged, missing, or no longer available as a direct replacement.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhy does QM31 come in a 50ft roll instead of 75ft?\u003c\/summary\u003e\n\u003cp\u003eAt 31mm wide, this is the largest molding in the Quantum line. Wider molding is typically used in specialty applications where less total linear footage is needed per job. A 50ft roll is still enough for 3 to 4 full installs and keeps the price proportionate to what you're actually using.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I select the right width?\u003c\/summary\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or pinchweld. At wider dimensions, accuracy matters most — too narrow leaves a gap; too wide and the molding won't seat cleanly. If you're choosing between QM25 and QM31, measure carefully. Even a few millimeters makes a meaningful difference at this width.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow is this installed?\u003c\/summary\u003e\n\u003cp\u003ePress the molding into place along the glass edge, typically after the glass has been set. Work around the perimeter section by section, pressing firmly into the channel. For tight curves, a brief pass with a heat gun on low makes the molding more pliable. A molding tool or wide flathead helps seat it evenly without scuffing the surrounding trim.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow much molding does one job use?\u003c\/summary\u003e\n\u003cp\u003eFor large glass applications requiring 31mm molding, expect to use 12 to 18 feet per job depending on the glass perimeter. A 50ft roll covers roughly 3 to 4 full installs at this width.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Marcy","offers":[{"title":"Default Title","offer_id":46407008944343,"sku":"QM31","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/QM31-3D.jpg?v=1750120503"},{"product_id":"qm16l-marcy-quantum-molding-16mm-x-22-8m-5-8-x-75ft-design-line","title":"Marcy Quantum Molding 16mm × 75ft | Design Line | 5\/8\" Universal Exterior Replacement | QM16L","description":"\u003cp\u003e✅ \u003cstrong\u003eIn Stock\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Marcy QM16L is a 16mm Design Line flexible universal exterior replacement molding, sold as a 75ft roll. It shares the same flexible compound and channel-fit as the standard QM16, but adds a decorative accent integrated into the outer face — giving the installation a more styled, OEM-like appearance from the exterior. Use it when the replacement molding will be visible and the original trim had a finished look worth matching.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QM16L\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 16mm (approx. 5\/8\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft (22.8m) roll\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Design Line (decorative accent on outer face)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Universal exterior replacement molding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or channel. At 16mm, QM16L fits the same openings as the standard QM16. The Design Line distinction is about appearance, not fit — choose QM16L when aesthetics matter and the vehicle originally had a styled exterior trim detail. For a clean standard replacement, QM16 is the same width without the accent.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is Quantum Molding?\u003c\/summary\u003e\n\u003cp\u003eQuantum Molding is a flexible exterior universal replacement molding designed to fit a wide range of glass openings without requiring a vehicle-specific part. It installs along the exterior glass edge and provides a clean, weather-resistant finish. It's commonly used when OEM molding is damaged, missing, or no longer available as a direct replacement.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat does \"Design Line\" mean?\u003c\/summary\u003e\n\u003cp\u003eDesign Line is a decorative accent — a styled ridge or groove — integrated into the outer face of the molding. It runs the full length of the strip and gives the installed molding a more finished, OEM-style appearance when viewed from the exterior. If the original vehicle molding had a visible trim detail and you want the replacement to look intentional rather than functional, Design Line is the right choice.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I select the right width?\u003c\/summary\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or pinchweld. The molding width should match this gap closely. QM16L fits the same 16mm channels as the standard QM16 — the Design Line accent does not affect how the molding seats in the channel.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow is this installed?\u003c\/summary\u003e\n\u003cp\u003ePress the molding into place along the glass edge, typically after the glass has been set. Work around the perimeter section by section, pressing firmly into the channel. For tight curves, a brief pass with a heat gun on low makes the molding more pliable. A molding tool or wide flathead helps seat it evenly without scuffing the surrounding trim.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow much molding does one job use?\u003c\/summary\u003e\n\u003cp\u003eA standard windshield perimeter uses approximately 12 to 16 feet of exterior molding. A 75ft roll covers roughly 4 to 6 full installs. For smaller glass like quarter windows or rear sliders, a roll goes significantly further.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Marcy","offers":[{"title":"Default Title","offer_id":46407048757463,"sku":"QM16L","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/QM16L-3D.jpg?v=1750121046"},{"product_id":"qm19l-marcy-quantum-molding-19mm-x-22m-3-4-x-75ft-design-line","title":"Marcy Quantum Molding 19mm × 75ft | Design Line | 3\/4\" Universal Exterior Replacement | QM19L","description":"\u003cp\u003e✅ \u003cstrong\u003eIn Stock\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Marcy QM19L is a 19mm Design Line flexible universal exterior replacement molding, sold as a 75ft roll. It has the same flexible compound and channel-fit as the standard QM19, with a decorative accent integrated into the outer face for a more finished, OEM-style appearance. Use it when the replacement molding will be clearly visible and you want the installation to look intentional rather than purely functional.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QM19L\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 19mm (approx. 3\/4\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft (22.8m) roll\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Design Line (decorative accent on outer face)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Universal exterior replacement molding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or channel. At 19mm, QM19L fits the same openings as the standard QM19 — full-size cars, SUVs, pickups, and vans with wider exterior molding channels. The Design Line distinction is about aesthetics, not fit. If you prefer a clean standard profile, the QM19 is the same width without the decorative accent.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is Quantum Molding?\u003c\/summary\u003e\n\u003cp\u003eQuantum Molding is a flexible exterior universal replacement molding designed to fit a wide range of glass openings without requiring a vehicle-specific part. It installs along the exterior glass edge and provides a clean, weather-resistant finish. It's commonly used when OEM molding is damaged, missing, or no longer available as a direct replacement.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat does \"Design Line\" mean?\u003c\/summary\u003e\n\u003cp\u003eDesign Line is a decorative accent — a styled ridge or groove — integrated into the outer face of the molding. It runs the full length of the strip and gives the installed molding a more finished, OEM-style appearance from the exterior. If the original vehicle molding had a visible trim detail and you want the replacement to look like it belongs there, Design Line is the right call.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I select the right width?\u003c\/summary\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or pinchweld. The molding width should match this gap closely. QM19L fits the same 19mm channels as the standard QM19 — the Design Line accent does not affect how the molding seats in the channel.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow is this installed?\u003c\/summary\u003e\n\u003cp\u003ePress the molding into place along the glass edge, typically after the glass has been set. Work around the perimeter section by section, pressing firmly into the channel. For tight curves, a brief pass with a heat gun on low makes the molding more pliable. A molding tool or wide flathead helps seat it evenly without scuffing the surrounding trim.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow much molding does one job use?\u003c\/summary\u003e\n\u003cp\u003eA standard windshield perimeter uses approximately 12 to 16 feet of exterior molding. A 75ft roll covers roughly 4 to 6 full installs. For smaller glass like quarter windows or rear sliders, a roll goes significantly further.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Marcy","offers":[{"title":"Default Title","offer_id":46407053017303,"sku":"QM19L","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/QM19L-3D_685dfa4a-2111-4aea-a23b-fd13a32b40a2.jpg?v=1750120998"},{"product_id":"qm7-marcy-quantum-molding-7mm-x-22-8m-1-4-x-75ft","title":"Marcy Quantum Molding 7mm × 75ft | 1\/4\" Universal Exterior Replacement | QM7","description":"\u003cp\u003e✅ \u003cstrong\u003eIn Stock\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Marcy QM7 is a 7mm flexible universal exterior replacement molding, sold as a 75ft roll. Designed for narrow glass openings where a lightweight, flexible profile is needed, it installs cleanly around the glass perimeter and provides a finished, weather-resistant edge. Use it wherever OEM exterior molding is damaged, missing, or unavailable as a replacement part.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QM7\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7mm (approx. 1\/4\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft (22.8m) roll\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Universal exterior replacement molding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or channel. At 7mm, QM7 is the narrowest option in the Quantum line — suited for compact vehicles, small quarter glass, or specialty applications with tight exterior channels. If your gap measures closer to 3\/8\", consider stepping up to the QM10.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is Quantum Molding?\u003c\/summary\u003e\n\u003cp\u003eQuantum Molding is a flexible exterior universal replacement molding designed to fit a wide range of glass openings without requiring a vehicle-specific part. It installs along the exterior glass edge and provides a clean, weather-resistant finish. It's commonly used when OEM molding is damaged, missing, or no longer available as a direct replacement.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat's the difference between standard and Design Line?\u003c\/summary\u003e\n\u003cp\u003eStandard Quantum Molding has a uniform profile across the full width. Design Line (QM16L and QM19L) features a decorative accent integrated into the outer face of the molding, giving it a more finished, OEM-like appearance from the exterior. Design Line is the right choice when the molding will be visible and aesthetics matter.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I select the right width?\u003c\/summary\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or pinchweld. The molding width should match this gap closely. Quantum Molding is flexible enough to accommodate minor variation — but if you're between sizes, the narrower width typically seats more cleanly than one that's too wide.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow is this installed?\u003c\/summary\u003e\n\u003cp\u003ePress the molding into place along the glass edge, typically after the glass has been set. Work around the perimeter section by section, pressing firmly into the channel. For tight curves, a brief pass with a heat gun on low makes the molding more pliable. A molding tool or wide flathead helps seat it evenly without scuffing the surrounding trim.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow much molding does one job use?\u003c\/summary\u003e\n\u003cp\u003eA standard windshield perimeter uses approximately 12 to 16 feet of exterior molding. A 75ft roll covers roughly 4 to 6 full installs. For smaller glass like quarter windows or rear sliders, a roll goes significantly further.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Marcy","offers":[{"title":"Default Title","offer_id":46407058489559,"sku":"QM7","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/QM7-3D.jpg?v=1750120171"},{"product_id":"qm10-marcy-quantum-molding-9-5mm-x-22-8m-3-8-x-75ft","title":"Marcy Quantum Molding 9.5mm × 75ft | 3\/8\" Universal Exterior Replacement | QM10","description":"\u003cp\u003e✅ \u003cstrong\u003eIn Stock\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Marcy QM10 is a 9.5mm flexible universal exterior replacement molding, sold as a 75ft roll. A popular mid-narrow width, it fits a broad range of import and compact domestic vehicles where exterior glass molding has cracked, shrunk, or gone missing. Flexible compound installs cleanly around curves and holds its shape at the glass perimeter.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QM10\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 9.5mm (approx. 3\/8\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 75ft (22.8m) roll\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Universal exterior replacement molding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWidth Selection Guide\u003c\/h2\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or channel on the vehicle. At 9.5mm, QM10 is a common fit for compact cars, sedans, and many import vehicles with mid-narrow exterior molding channels. If your gap measures closer to 1\/4\", step down to QM7; if it's closer to 5\/8\", move up to QM16.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is Quantum Molding?\u003c\/summary\u003e\n\u003cp\u003eQuantum Molding is a flexible exterior universal replacement molding designed to fit a wide range of glass openings without requiring a vehicle-specific part. It installs along the exterior glass edge and provides a clean, weather-resistant finish. It's commonly used when OEM molding is damaged, missing, or no longer available as a direct replacement.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat's the difference between standard and Design Line?\u003c\/summary\u003e\n\u003cp\u003eStandard Quantum Molding has a uniform profile across the full width. Design Line (QM16L and QM19L) features a decorative accent integrated into the outer face of the molding, giving it a more finished, OEM-like appearance from the exterior. For a clean but understated profile, standard is the right call.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I select the right width?\u003c\/summary\u003e\n\u003cp\u003eMeasure the gap between the glass edge and the surrounding trim or pinchweld. The molding width should match this gap closely. Quantum Molding is flexible enough to accommodate minor variation — but if you're between sizes, the narrower width typically seats more cleanly than one that's too wide.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow is this installed?\u003c\/summary\u003e\n\u003cp\u003ePress the molding into place along the glass edge, typically after the glass has been set. Work around the perimeter section by section, pressing firmly into the channel. For tight curves, a brief pass with a heat gun on low makes the molding more pliable. A molding tool or wide flathead helps seat it evenly without scuffing the surrounding trim.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow much molding does one job use?\u003c\/summary\u003e\n\u003cp\u003eA standard windshield perimeter uses approximately 12 to 16 feet of exterior molding. A 75ft roll covers roughly 4 to 6 full installs. For smaller glass like quarter windows or rear sliders, a roll goes significantly further.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Marcy","offers":[{"title":"Default Title","offer_id":46407070220503,"sku":"QM10","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/files\/QM10-3D.jpg?v=1750119398"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/4262\/6461\/collections\/universal-moldings.svg?v=1778908134","url":"https:\/\/southmountainsupply.com\/collections\/universal-moldings\/conventional-molding.oembed","provider":"South Mountain Supply ","version":"1.0","type":"link"}