{"product_id":"permatex-glass-weld-urethane-windshield-sealant-10-5-oz-fast-curing-fmvss-212-tested-flexible-bond","title":"Permatex Glass Weld urethane windshield sealant 10.5 oz — fast‑curing, FMVSS 212 tested, flexible bond","description":"\u003cb\u003ePermatex Glass Weld 81100 is a premium urethane adhesive formulated to fast‑cure and securely bond windshields and stationary automotive glass for long‑lasting, flexible seals.\u003c\/b\u003e\n\nPermatex Glass Weld is engineered for professional and DIY automotive glass installation and repair. It combines high initial grab, environmental durability, and proven safety performance (FMVSS 212 tested) to create a resilient joint between glass and vehicle body that resists vibration, weather, and temperature swings. Packaged in a 10.5 oz cartridge, this polyurethane seam sealer works with standard caulking guns and pairs well with windshield removal and installation tool kits.\n\n\u003ch3\u003eHow quickly will this urethane cure and let me return the vehicle to service?\u003c\/h3\u003e\n\u003cp\u003eGlass Weld is formulated for fast initial cure so that vehicle downtime is minimized. Depending on bead size, temperature and humidity, users can expect tack‑free set and handling strength in under two hours, with full cure developing over the following day.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLess than 2 hours to initial cure under typical shop conditions\u003c\/li\u003e\n  \u003cli\u003eSuitable for quick replacement workflows and mobile services\u003c\/li\u003e\n  \u003cli\u003eCures to a firm, flexible bead that supports glass handling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety and performance standards does it meet for windshield installation?\u003c\/h3\u003e\n\u003cp\u003ePermatex Glass Weld has been evaluated to meet Federal Motor Vehicle Safety Standard FMVSS 212 for windshield mounting, which addresses strength during crash and rollover events. The formulation maintains bond integrity across a range of operating temperatures and road conditions without becoming brittle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFMVSS 212 tested to support proper windshield retention\u003c\/li\u003e\n  \u003cli\u003eDesigned for permanent adhesion between glass and vehicle frame\u003c\/li\u003e\n  \u003cli\u003eResists weathering, UV exposure and automotive vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the adhesive perform in different weather and driving conditions?\u003c\/h3\u003e\n\u003cp\u003eThis polyurethane sealant stays flexible after curing so it accommodates thermal expansion and structural movement. Its environmental resistance helps prevent bond degradation from moisture, road chemicals and UV exposure, extending the life of the windshield installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFlexible bond tolerates temperature cycling and impacts\u003c\/li\u003e\n  \u003cli\u003eFormulated to resist water intrusion and salt or chemical exposure\u003c\/li\u003e\n  \u003cli\u003eMaintains adhesion across hot summers and cold winters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat applications and tools pair well with Permatex Glass Weld?\u003c\/h3\u003e\n\u003cp\u003eGlass Weld is intended for windshield and fixed automotive glass installation, and it serves as an effective seam sealer in many bodyshop tasks. It dispenses from a standard 10.5 oz cartridge and works particularly well with windshield removal and installation kits, including Permatex accessory kits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with a standard caulking gun for controlled bead application\u003c\/li\u003e\n  \u003cli\u003eCompatible with windshield removal tools and replacement kits\u003c\/li\u003e\n  \u003cli\u003eIdeal for both professional shops and DIY glass replacement projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for?\n\nPermatex Glass Weld 81100 is aimed at professional auto glass technicians, collision repair shops, and informed DIYers who need a reliable, fast‑curing urethane for windshield and stationary glass bonding. If you require an FMVSS 212‑tested product that balances strong adhesion with flexibility and quick turnaround, this sealant is formulated to meet those needs while integrating into common automotive glass installation workflows.\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Permatex Glass Weld FMVSS 212 compliant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Glass Weld has been tested to meet FMVSS 212 standards for windshield mounting strength.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long until the adhesive is safe to drive on?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Initial cure typically occurs in under two hours; full cure develops over 24 hours depending on conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Permatex","offers":[{"title":"Default Title","offer_id":48086627713182,"sku":"B0CZ16VSXN","price":51.44,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/permatex-glass-weld-front-packaging.jpg?v=1785901794","url":"https:\/\/northtrailauto.ca\/products\/permatex-glass-weld-urethane-windshield-sealant-10-5-oz-fast-curing-fmvss-212-tested-flexible-bond","provider":"North Trail Auto","version":"1.0","type":"link"}