{"product_id":"johns-manville-dynaglas-fr-36-in-bright-white-sbs-modified-bitumen-fr-cap-sheet-1-square-r","title":"Johns Manville Dynaglas FR 36 in. Bright White SBS Modified Bitumen FR Cap Sheet, 1 Square Roll","description":"\u003ch1\u003eJohns Manville Dynaglas FR 36 in. Bright White SBS Modified Bitumen FR Cap Sheet, 1 Square Roll\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eJohns Manville Dynaglas FR is a bright white glass-reinforced SBS modified bitumen cap sheet listed at one square per roll. The FR designation indicates a fire-rated construction for low-slope multi-ply assemblies, and it installs over compatible JM base and interply sheets.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFR construction:\u003c\/strong\u003e FR designation denotes a fire-rated cap sheet for approved assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlass reinforcement:\u003c\/strong\u003e CR glass mat reinforcement provides dimensional stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright white top:\u003c\/strong\u003e Bright White surfacing delivers a reflective cap layer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull square roll:\u003c\/strong\u003e Each roll covers one square.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSBS flexibility:\u003c\/strong\u003e SBS modified asphalt resists cracking at low temperatures.\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\u003eJohns Manville\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJohns Manville Dynaglas FR Cap Sheet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMembrane type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSBS modified bitumen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable colors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBright White\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\u003e1 square per roll\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 one square (100 sq ft); allow additional material for side and end laps when estimating.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eDesigned as the cap layer in Johns Manville multi-ply low-slope assemblies over compatible JM base and interply membranes. Base sheets, adhesives, mastic and fasteners are sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: How much does one roll cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One square, about 100 sq ft, before laps and waste.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What does FR mean?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It designates a fire-resistant construction; final rating depends on the complete approved assembly.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What color is the top surface?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Bright White.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it be used alone?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, it is a cap sheet and should be installed as the top layer of a multi-ply system.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How many rolls per square?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One roll is listed at one square per roll.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eUse Dynaglas FR where the specified assembly calls for a fire-rated glass-reinforced white cap sheet. Verify the full system specification, since fire performance depends on the entire roof build-up, not the cap alone. Plan laps and flashings before ordering to avoid running short on a one-square-per-roll product.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eVerify the approved assembly with the membrane manufacturer and local code authority, as fire ratings apply only to complete installed systems.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder Johns Manville Dynaglas FR bright white cap sheet for fire-rated multi-ply roofing work.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Johns Manville","offers":[{"title":"Default Title","offer_id":53531875082607,"sku":"09MVDGFRCB","price":220.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/APP-SBS-Self-Adhered-Rolls-SKU_6828615-primary.jpg?v=1790369554","url":"https:\/\/superarbor.io\/products\/johns-manville-dynaglas-fr-36-in-bright-white-sbs-modified-bitumen-fr-cap-sheet-1-square-r","provider":"Super Arbor","version":"1.0","type":"link"}