{"product_id":"tri-built-tb-316654-tri-built-1-in-x-4-ft-x-8-ft-iso-rigid-roof-insulation-board","title":"TRI-BUILT 1 in. x 4 ft. x 8 ft. ISO Rigid Roof Insulation Board","description":"\u003ch1\u003eTRI-BUILT 1 in. x 4 ft. x 8 ft. ISO Rigid Roof Insulation Board\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis is a single TRI-BUILT 1.0 in. thick, 4 ft. x 8 ft. polyiso (ISO) rigid roof insulation board, sold per piece and weighing about 7.84 lb. Polyiso boards are installed as insulation in low-slope roofing assemblies, typically under or over the membrane per the roof system design. Layer thickness and board count should follow your roof system's R-value requirement.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolyiso core:\u003c\/strong\u003e Rigid polyisocyanurate insulation board, categorized as Polyiso in the listing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 in. thickness:\u003c\/strong\u003e 1.0 in. board thickness for this item.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 x 8 board:\u003c\/strong\u003e Standard 4 ft. x 8 ft. board dimensions for efficient flat-roof coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight board:\u003c\/strong\u003e About 7.84 lb per 1 in. board for easy handling on the roof.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-slope use:\u003c\/strong\u003e Rigid roof insulation intended for low-slope roof assemblies.\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\u003eTRI-BUILT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTB-316654\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, 4 ft. x 8 ft. x 1.0 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eISO Rigid Roof Insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolyisocyanurate (polyiso)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0 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.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48 in. x 96 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 board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.84 lb per board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQXO category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolyiso\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRigid insulation for low-slope roofing assemblies\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 4 ft. x 8 ft. board covers 32 sq ft. Divide total roof area by 32 sq ft per board, allowing for joints and layering, to size your order; stagger board joints between layers.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eUse within low-slope roof assemblies under approved membrane systems per the roofing manufacturer's requirements. Boards are sold individually; adhesives, fasteners\/plates, cover boards and membranes are sold separately. R-value per inch is not stated in the sources.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What size is each board?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Each board is 4 ft. x 8 ft. (48 in. x 96 in.) and 1.0 in. thick.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much does one board cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One board covers 32 sq ft of roof area, before waste and joint allowance.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How are boards sold?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Sold per piece; order one board at a time as needed.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What material is it?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Polyisocyanurate (polyiso) rigid foam insulation, listed under the Polyiso category.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is it installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Install per your roof system manufacturer's instructions, typically adhered or mechanically fastened; follow local code.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much does it weigh?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e About 7.84 lb per 1 in. board.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eStagger joints between successive layers and cut boards to fit perimeters tight to avoid thermal bridges. On fully adhered systems, verify the membrane adhesive is compatible with polyiso facers. For higher R-value targets, layer multiple thicknesses in this series rather than relying on a single 1 in. layer.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eHandle boards carefully on windy roofs and follow the roofing system manufacturer's instructions and local building code for insulation attachment.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder TRI-BUILT 1 in. 4x8 polyiso rigid roof insulation boards to build up your low-slope roof assembly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"TRI-BUILT","offers":[{"title":"Default Title","offer_id":53529505530223,"sku":"TB-316654","price":31.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/804336_default_hero.jpg?v=1790350493","url":"https:\/\/superarbor.io\/products\/tri-built-tb-316654-tri-built-1-in-x-4-ft-x-8-ft-iso-rigid-roof-insulation-board","provider":"Super Arbor","version":"1.0","type":"link"}