{"product_id":"certainteed-glasbase-base-sheet-3-square-roll-gray","title":"Certainteed Glasbase Base Sheet, 3 Square Roll, Gray","description":"\u003ch1\u003eCertainteed Glasbase Base Sheet, 3 Square Roll, Gray\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eCertainTeed Glasbase Base Sheet is a gray asphalt base ply with glass reinforcement for built-up and low-slope roof assemblies. Each order is one roll covering 3 squares. Install it as the foundation layer beneath additional BUR plies or cap sheets.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlass reinforcement:\u003c\/strong\u003e Glass-based asphalt sheet construction for a stable base ply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 squares per roll:\u003c\/strong\u003e Each roll covers approximately 3 squares of roof area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGray sheet:\u003c\/strong\u003e Gray asphalt sheet coloring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-slope assemblies:\u003c\/strong\u003e Built for built-up roofing and low-slope membrane systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient roll format:\u003c\/strong\u003e Roll format speeds up base layer installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eSpecifications Table:\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCertainTeed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSell unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 roll, 3 squares\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGlasbase Base Sheet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable colors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 squares per roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGlass-reinforced asphalt membrane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage per unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 squares per roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBase ply for built-up roofing and low-slope assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eCoverage \u0026amp; How Much You Need:\u003c\/h2\u003e\u003cp\u003eOne roll covers approximately 3 squares (300 sq ft) before laps; add rolls for side and end laps and cut-in losses per the project specification.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eUse as the base ply in CertainTeed built-up or low-slope asphalt assemblies under subsequent plies or cap sheets; mopping asphalt and fasteners are specified or sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One gray Glasbase base sheet roll covering 3 squares; adhesives and fasteners are not included.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much area does one roll cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e About 3 squares before laps; order extra to account for overlap.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is it attached?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Per the assembly specification, typically nailed or set in hot asphalt as the base layer.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What reinforcement does it use?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Glasbase uses glass-reinforced asphalt construction for dimensional stability.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What does it pair with?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Pair with CertainTeed BUR ply sheets or cap sheets to complete the membrane assembly.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eGlass-reinforced base sheets resist wrinkling and help keep the membrane flat during interply mopping. Verify deck type and fastening pattern before unrolling, and lap base sheet edges the specified amount so interply asphalt bonds fully. In cold weather, store rolls indoors so the asphalt remains workable.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eHandle heavy rolls with proper lifting technique and, when installing over hot asphalt, follow hot-work and fall-protection procedures.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder CertainTeed Glasbase Base Sheet 3-square rolls for a stable base ply on your low-slope project.\u003c\/strong\u003e\u003c\/p\u003e","brand":"CertainTeed","offers":[{"title":"Default Title","offer_id":53531860205935,"sku":"09GSGB","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/Built-Up-Roofing-SKU_2191665-primary.png?v=1790369420","url":"https:\/\/superarbor.io\/products\/certainteed-glasbase-base-sheet-3-square-roll-gray","provider":"Super Arbor","version":"1.0","type":"link"}