{"product_id":"osi-quad-tan-foam-window-and-door-foam-sealant-21-1-oz","title":"OSI Quad Tan Foam Window and Door Foam Sealant 21.1 oz","description":"\u003cdiv\u003e\n\u003cp\u003eMeet OSI Quad Tan Foam Window and Door Foam Sealant 21.1 oz—a purpose-built polyurethane foam sealant engineered to upgrade the comfort and efficiency of homes and spaces around every window and door opening. This tan, expanding foam fills gaps, creates a tight seal, and stays permanently flexible for long-lasting performance in real-world conditions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMoisture resistant\u003c\/strong\u003e for dependable sealing in areas exposed to humidity or weather—without compromising flexibility or adhesion.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePermanently flexible\u003c\/strong\u003e foam that tolerates movement around framing and settling, reducing the risk of cracks or air leaks over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndoor and outdoor use\u003c\/strong\u003e makes it a versatile option for new construction, renovations, or weatherproofing projects around windows and doors.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTan color\u003c\/strong\u003e blends with brown wood trim and many interior finishes, helping gaps disappear visually after application.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e21.1 oz can\u003c\/strong\u003e delivers ample material for larger openings or multiple sealant jobs, with a clean-up option using mineral spirits while the foam is still uncured.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCoverage area: 611\u003c\/strong\u003e (as listed) to help you estimate how much space you can seal in a single project.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNot paintable\u003c\/strong\u003e and not rated for high-heat fire exposure, so it’s best suited for general weatherproofing, draft prevention, and gap filling around typical window and door assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRecommended surfaces\u003c\/strong\u003e include wood, fiberboard, metals, masonry, brick, concrete, marble, cork, insulation, hangers, polystyrene, bath panels, fiberglass, FRP panels, and glass—making it compatible with a wide range of substrates found in home improvement projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this foam sealant over alternatives? OSI’s Quad line is designed to deliver a tight, durable seal that expands to fill irregular gaps, providing improved energy efficiency and comfort without sacrificing long-term flexibility. Because it’s moisture resistant and permanently flexible, it’s an excellent option for sealing around exterior doors, basement entries, or garage access points where drafts tend to creep in and seasonal temperature swings are common.\u003c\/p\u003e \u003cp\u003eIdeal use cases include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDraft-proofing gaps around new or retrofitted windows and exterior doors\u003c\/li\u003e \u003cli\u003eSealing joints between rough openings and framing in wood, masonry, or metal assemblies\u003c\/li\u003e \u003cli\u003eWeatherproofing around trim, sills, and jambs where movement is expected\u003c\/li\u003e \u003cli\u003eSealing around non-traditional substrates like insulation panels, fiberglass, or FRP components\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical application notes:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePrepare surfaces and cut nozzle to the desired bead size for precise, controlled filling.\u003c\/li\u003e \u003cli\u003eApply in layers if needed to achieve the right fill without overexpansion.\u003c\/li\u003e \u003cli\u003eFor cleanup, use mineral spirits while the foam is still uncured.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith OSI Quad Tan Foam Window and Door Foam Sealant, you get a robust, flexible seal tailored for real-world window and door installations—delivering reliable moisture resistance, long-term durability, and a practical solution for a tight, energy-efficient home. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Osi","offers":[{"title":"Default Title","offer_id":52190474404114,"sku":"1895333","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/1895333_A.eps_High.jpg?v=1775854666","url":"https:\/\/nationalhardwaregroup.com\/products\/osi-quad-tan-foam-window-and-door-foam-sealant-21-1-oz","provider":"National Hardware Group","version":"1.0","type":"link"}