{"product_id":"georgia-pacific-densdeck-roof-board-1-4-in-or-1-2-in-x-4-ft-x-8-ft","title":"Georgia Pacific DensDeck Roof Board 1\/4 in. or 1\/2 in. x 4 ft. x 8 ft.","description":"\u003ch1\u003eGeorgia Pacific DensDeck Roof Board 1\/4 in. or 1\/2 in. x 4 ft. x 8 ft.\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eGeorgia Pacific DensDeck is a roof cover board sold in 1\/4 in. and 1\/2 in. thicknesses, each in 4 ft. x 8 ft. sheets. Installed over rigid roof insulation, it forms a solid, even substrate for roofing membranes and base flashing. Select the thickness specified in your roof assembly.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo thicknesses:\u003c\/strong\u003e Available in 1\/4 in. and 1\/2 in. versions to match assembly specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull sheet format:\u003c\/strong\u003e 4 ft. x 8 ft. sheets cover 32 square feet each for efficient roof layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCover board role:\u003c\/strong\u003e Provides a stable layer over insulation that supports membrane adhesion and attachment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContractor standard:\u003c\/strong\u003e DensDeck is a widely specified cover board name in commercial low-slope roofing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePer-sheet ordering:\u003c\/strong\u003e Sold by the sheet (SH) so you can order exactly what the job requires.\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\u003eGeorgia Pacific\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 sheet, 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\u003eDensDeck 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\u003eBrown\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., 1\/2 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\u003ePolystyrene (as listed); marketed as DensDeck roof cover 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. sheets\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. or 1\/2 in.\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\u003e32 sq. ft. per sheet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoof cover board over rigid insulation beneath roofing membranes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInsulation \u0026amp; Accessories \u0026gt; Rigid Insulation Boards \u0026gt; Roof Cover Boards\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\u003eEach 4 ft. x 8 ft. sheet covers 32 square feet of roof area. Divide the roof area by 32 and add waste allowance for perimeter cuts and penetrations.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eInstalled over rigid roof insulation beneath compatible low-slope membranes. Insulation, fasteners or adhesives, and membrane are sold separately. Verify thickness and attachment pattern against the project specification.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What thicknesses are offered?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This line includes 1\/4 in. and 1\/2 in. DensDeck, both in 4 ft. x 8 ft. sheets.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much does one sheet cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One sheet covers 32 square feet.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Where does it go in the assembly?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Above the insulation and below the membrane, as a cover board and membrane substrate.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How many sheets per square?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 100 sq. ft. square requires just over 3 sheets, plus an allowance for cuts.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included in the sell unit?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One sheet; fasteners, adhesives, and membrane are separate.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eA cover board is standard practice on commercial roofs to shield insulation and improve membrane performance, and 1\/2 in. is the common choice where durability is prioritized. Stagger joints between board courses and between boards and insulation, and attach per the membrane system requirements. Match board thickness to the specified R-value stack and flashing details.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eUse two-person lifts or mechanical handling for 4 ft. x 8 ft. boards on rooftops and wear gloves and eye protection when cutting.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder Georgia Pacific DensDeck roof cover board sheets for a solid membrane substrate.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Georgia Pacific","offers":[{"title":"Georgia Pacific 1\/2\" Dens-Deck 4' X 8'","offer_id":67587102081391,"sku":"62GPDD1248","price":39.0,"currency_code":"USD","in_stock":true},{"title":"Georgia Pacific 1\/4\" Dens-Deck 4' X 8'","offer_id":67587102114159,"sku":"62GPDD1448","price":38.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/Insulation-SKU_2355175-primary.png?v=1790448659","url":"https:\/\/superarbor.io\/products\/georgia-pacific-densdeck-roof-board-1-4-in-or-1-2-in-x-4-ft-x-8-ft","provider":"Super Arbor","version":"1.0","type":"link"}