{"product_id":"gaf-dexcell-glass-mat-roof-board-1-4-in-x-4-ft-x-8-ft-white-gypsum-cover-board","title":"GAF DEXcell Glass Mat Roof Board 1\/4 in. x 4 ft. x 8 ft. White Gypsum Cover Board","description":"\u003ch1\u003eGAF DEXcell Glass Mat Roof Board 1\/4 in. x 4 ft. x 8 ft. White Gypsum Cover Board\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eGAF DEXcell Glass Mat Roof Board is a 1\/4 in. x 4 ft. x 8 ft. white gypsum panel with coated fiberglass facers for commercial roofing use. It serves as a substrate board, thermal barrier, and\/or insulation cover board, sold per piece. It pairs with mechanically attached and ballasted single-ply membranes and metal roofing systems.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture resistant core:\u003c\/strong\u003e The gypsum core with coated fiberglass facers meets or exceeds ASTM C1177 for moisture resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMold resistant:\u003c\/strong\u003e The board meets both ASTM G21 and ASTM D3273 for mold resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire protection:\u003c\/strong\u003e 1\/4 in. DEXcell Glass Mat Roof Board can be used as a UL Class A thermal barrier as fire protection from below.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy handling:\u003c\/strong\u003e Special coating on the front, back, and sides helps reduce fiber fly and irritation, and the board scores and cuts easily.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMembrane protection:\u003c\/strong\u003e As a cover board it protects and supports the roof membrane against damage from roof traffic and hail or other impacts pursuant to FM 4470.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire and sound benefit:\u003c\/strong\u003e Provides increased fire resistance pursuant to ANSI\/UL 790 and increased protection from sound transmission versus systems with no cover board.\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 panel, 1\/4 in. x 4 ft. x 8 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\u003eDEXcell Glass Mat Roof Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable colors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4 in. x 4 ft. x 8 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGlass mat faced gypsum board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor \/ finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 ft. x 8 ft. panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMeets or exceeds ASTM C1177; ASTM G21 and ASTM D3273 mold resistance; UL Class A thermal barrier (1\/4 in.); ANSI\/UL 790; FM 4470\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSubstrate board, thermal barrier, and\/or insulation cover board for commercial roofing; substrate for vapor retarders and membrane application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAssembly\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScores and cuts easily\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 piece is a 4 ft. x 8 ft. panel, covering 32 sq ft of roof deck. Divide total roof area by 32 and add waste allowance to size the job.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eUse with mechanically attached and ballasted single-ply membranes and metal roofing systems, and as a substrate for vapor retarders or membrane application. Membrane and fastening systems are sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included in one order?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One 1\/4 in. x 4 ft. x 8 ft. DEXcell Glass Mat Roof Board panel.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it serve as a thermal barrier?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the 1\/4 in. board can be used as a UL Class A thermal barrier as fire protection from below.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Which roofing systems does it work with?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is designed for a wide variety of systems, including mechanically attached and ballasted single-ply membranes and metal roofing.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it mold resistant?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it meets both ASTM G21 and ASTM D3273 for mold resistance, and the core meets or exceeds ASTM C1177 for moisture resistance.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How easy is it to cut?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The panel scores and cuts easily, and coated faces and edges help reduce fiber fly and irritation during handling.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Does it help with hail damage?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e As an insulation cover board it protects and supports the membrane to help prevent damage from roof traffic and hail or other impacts pursuant to FM 4470.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eChoose the 1\/4 in. thickness when a UL Class A thermal barrier from below or a slim cover board over polyiso is specified. Stagger board joints from insulation joints, fasten per the membrane manufacturer's layout, and cut with a utility knife and straightedge. Keep edges coated and dry-stored to preserve the ASTM C1177 moisture performance.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eWear gloves, eye protection, and a dust mask when cutting gypsum board, as scoring and snapping produces sharp edges and dust.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder GAF DEXcell Glass Mat Roof Board today to add moisture- and mold-resistant cover board protection to your commercial roof assembly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"GAF","offers":[{"title":"Default Title","offer_id":53522993611119,"sku":"GAF4828","price":28.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/GAF4828_0.jpg?v=1790236325","url":"https:\/\/superarbor.io\/products\/gaf-dexcell-glass-mat-roof-board-1-4-in-x-4-ft-x-8-ft-white-gypsum-cover-board","provider":"Super Arbor","version":"1.0","type":"link"}