{"product_id":"gaf-gafglas-80-ultima-base-sheet-39-375-in-x-65-2-ft-roll-black","title":"GAF GAFGLAS #80 Ultima Base Sheet 39.375 in. x 65.2 ft. Roll, Black","description":"\u003ch1\u003eGAF GAFGLAS #80 Ultima Base Sheet 39.375 in. x 65.2 ft. Roll, Black\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eGAFGLAS #80 Ultima Base Sheet is a high-performance, asphalt-coated, glass-reinforced roofing base sheet supplied in a 39.375 in. x 65.2 ft. roll. Its special Loctite closed-pore design prevents bleed-through while providing long-lasting leak protection in demanding applications. Use it under tile roofs, in BUR systems, and as a flame retarder in torch-applied modified bitumen assemblies.\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 An asphalt-coated, glass-reinforced sheet built for high performance in demanding roofing applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo bleed-through:\u003c\/strong\u003e The special Loctite closed-pore design prevents asphalt bleed-through.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak protection:\u003c\/strong\u003e Provides long-lasting leak protection, recommended where the potential cost of leak damage is severe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlame retardant:\u003c\/strong\u003e Acts as an effective flame retarder when used in torch-applied modified bitumen systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrganic felt replacement:\u003c\/strong\u003e Can be used in place of organic felts under tile roofs or in BUR systems.\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\u003eGAF\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, 39.375 in. x 65.2 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGAF GAFGLAS #80 Ultima 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\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e39.375 in. x 65.2 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAsphalt-coated, glass-reinforced base sheet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e39.375 in. x 65.2 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish \/ texture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClosed-pore design (Loctite) that prevents bleed-through\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 sheet for BUR systems, under tile roofs, and in torch-applied modified bitumen systems\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 measures 39.375 in. wide by 65.2 ft. long, roughly 213 sq. ft. of sheet before laps; calculate actual coverage after deducting head and side laps per your system specification.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eUse as the base sheet in GAF BUR and modified bitumen systems, under tile roofs, or in torch-applied assemblies as a flame retarder. Ply sheets, cap sheets and adhesives are sold separately; confirm lap and attachment requirements with the specified system.\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 roll of GAFGLAS #80 Ultima Base Sheet, 39.375 in. x 65.2 ft., black.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much area does a roll cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The roll is about 39.375 in. x 65.2 ft.; net coverage depends on the laps required by your roofing system specification.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it be used in torch-applied systems?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it serves as an effective flame retarder when used in torch-applied modified bitumen systems.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Does it replace organic felt?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it can be used in place of organic felts under tile roofs or in BUR systems.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What prevents asphalt bleed-through?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The sheet's special Loctite closed-pore design prevents bleed-through.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eChoose #80 Ultima where leak consequences are severe, such as roofs over high-value interiors, because its closed-pore design stops asphalt bleed-through and reinforces the base ply. Its glass reinforcement also makes it a dependable organic-felt replacement under tile. Verify lap orientation and nailing or mopping rates against the specified GAF system before starting.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eTorch-applied installation requires trained personnel, a fire extinguisher on the roof and a fire watch after work ends each day.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder GAF GAFGLAS #80 Ultima Base Sheet for premium leak protection on your next BUR or modified bitumen roof.\u003c\/strong\u003e\u003c\/p\u003e","brand":"GAF","offers":[{"title":"Default Title","offer_id":53524443398511,"sku":"GAFG80UBS2","price":97.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/ProductImage_GAFG80UBS2.jpg?v=1790284162","url":"https:\/\/superarbor.io\/products\/gaf-gafglas-80-ultima-base-sheet-39-375-in-x-65-2-ft-roll-black","provider":"Super Arbor","version":"1.0","type":"link"}