{"product_id":"u-s-gypsum-170540030-u-s-gypsum-securock-1-2-in-x-4-ft-x-8-ft-cement-board","title":"U.S. Gypsum SecuRock 1\/2 in. x 4 ft. x 8 ft. Cement Board","description":"\u003ch1\u003eU.S. Gypsum SecuRock 1\/2 in. x 4 ft. x 8 ft. Cement Board\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis is a U.S. Gypsum SecuRock 1\/2 in. cement board panel in a 4 ft. x 8 ft. sheet, sold per piece. It provides a durable, fire-resistant substrate for roofing assemblies and is UL Classified as Type DCB. Pair it with compatible USG roofing system components per the manufacturer's assembly details.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL Classified:\u003c\/strong\u003e UL Classified as Type DCB for use in listed roofing assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFM Approved:\u003c\/strong\u003e FM Approved in addition to UL classification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire performance:\u003c\/strong\u003e Meets ASTM E84 (CAN\/ULC-S102) and ASTM E136-12 (CAN\/ULC-S114) fire test standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoofing standard:\u003c\/strong\u003e Complies with UL790 (CAN\/ULC-S107) and ASTM C1325.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull sheet format:\u003c\/strong\u003e Ships as a 1\/2 in. thick, 4 ft. x 8 ft. board sold per piece.\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\u003eU.S. Gypsum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170540030\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 board, 1\/2 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\u003eSecuRock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCement board\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., 1\/2 in. thick\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClassification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL Classified (Type DCB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL Classified (Type DCB); ASTM E84 (CAN\/ULC-S102); ASTM E136-12 (CAN\/ULC-S114); UL790 (CAN\/ULC-S107); FM Approved; ASTM C1325\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 lb (item weight as listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoofing insulation \/ substrate board\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 sheet covers 32 sq ft (4 ft. x 8 ft.). Calculate board count by dividing the roof area by 32 sq ft and adding waste for cuts.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eDesigned for use in USG SecuRock roofing assemblies; install with compatible fasteners, adhesives and membranes per the assembly listing. Verify the specific UL\/FM assembly requirements before substitution.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included with each order?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One 1\/2 in. x 4 ft. x 8 ft. SecuRock cement board panel, sold as a single piece.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much area does one sheet cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 4 ft. x 8 ft. sheet covers 32 square feet before allowing for cuts and waste.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is this board fire rated?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is UL Classified Type DCB and meets ASTM E84 and ASTM E136 fire test standards.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it FM approved?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the board is listed as FM Approved along with UL classification.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it be used in any roofing assembly?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Use it only in assemblies where a UL Type DCB board is specified, following the manufacturer's instructions and local code.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eSecuRock cement board is chosen when a listed assembly calls for a non-combustible, cement-based roof board rather than glass-mat gypsum. Confirm the UL or FM assembly you are building to accepts Type DCB board and the listed fastening pattern. Handle sheets flat to avoid edge damage and cut with a carbide scoring tool or circular saw with dust control.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCutting cement board generates silica dust; use dust control and wear eye, hearing and respiratory protection per OSHA silica rules.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder U.S. Gypsum SecuRock 1\/2 in. cement board for your next listed roofing assembly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"U.S. Gypsum","offers":[{"title":"Default Title","offer_id":53529527583087,"sku":"170540030","price":55.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/492699_default_hero.jpg?v=1790350976","url":"https:\/\/superarbor.io\/products\/u-s-gypsum-170540030-u-s-gypsum-securock-1-2-in-x-4-ft-x-8-ft-cement-board","provider":"Super Arbor","version":"1.0","type":"link"}