{"product_id":"tri-built-ac2-pl-050-tri-built-iso-ii-grf-roof-insulation-board-3-in-x-4-ft-x-8-ft","title":"TRI-BUILT ISO II GRF Roof Insulation Board, 3 in. x 4 ft. x 8 ft.","description":"\u003ch1\u003eTRI-BUILT ISO II GRF Roof Insulation Board, 3 in. x 4 ft. x 8 ft.\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eTRI-BUILT ISO II GRF is a 3 in. thick polyiso rigid roof insulation board in a 4 ft. x 8 ft. panel, covering 32 sq ft per piece. It provides a thick thermal layer for low-slope roofing assemblies under the membrane. Sold by the piece.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThick polyiso board:\u003c\/strong\u003e 3 in. thick ISO II GRF polyisocyanurate rigid roof insulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32 sq ft per piece:\u003c\/strong\u003e Full 4 ft. x 8 ft. panel size for efficient coverage of flat roofs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh build-up:\u003c\/strong\u003e Thicker single layer reduces the number of lifts needed to reach design R-value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight for its size:\u003c\/strong\u003e Weighs approximately 16.48 lb per piece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-slope use:\u003c\/strong\u003e Intended for low-slope roofing assemblies under the roof membrane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLayerable:\u003c\/strong\u003e Can be combined with other ISO thicknesses in staggered multi-layer 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\u003eAC2_PL_050\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, 3 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\u003eISO II GRF Roof Insulation\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., 3 in. thick\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 panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolyisocyanurate (ISO) rigid foam roof insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16.48 lb per piece\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 thermal 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. panel covers 32 sq ft at a single 3 in. layer. Divide the roof area by 32 to size the job, and use the same count per additional layer in a multi-layer build-up.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003ePart of the TRI-BUILT ISO II GRF rigid roof insulation family; combine with thinner boards for taper or total-thickness builds. Fasteners, plates, adhesives and membrane are sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: How much area does one panel cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Each 4 ft. x 8 ft. panel covers 32 sq ft at a 3 in. thickness.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Why choose a 3 in. board instead of thinner ones?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A thicker board reaches a higher total R-value with fewer layers and fewer joints in the assembly.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is it installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Rigid ISO insulation is typically mechanically fastened or adhered per the roofing system manufacturer's specifications; attachment materials are sold separately.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it be mixed with other thicknesses?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, contractors commonly layer different ISO thicknesses in staggered courses to reach the required total thickness.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What does one order include?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One 3 in. x 4 ft. x 8 ft. ISO II GRF insulation panel, sold as a single piece.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eAt 3 in., this board suits assemblies needing substantial R-value with fewer lifts; check crane or hoist requirements for multi-layer jobs. Stagger the joints of each layer and inspect the boards for damage before installing. Always confirm the design thickness against local energy-code requirements.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eKeep rigid polyiso boards away from open flame and heat sources, and follow all manufacturer and local-code requirements for roofing insulation installation.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eGet TRI-BUILT ISO II GRF 3 in. roof insulation panels now for a thick, efficient thermal layer.\u003c\/strong\u003e\u003c\/p\u003e","brand":"TRI-BUILT","offers":[{"title":"Default Title","offer_id":53529517326703,"sku":"AC2_PL_050","price":53.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/802678_default_hero.jpg?v=1790350743","url":"https:\/\/superarbor.io\/products\/tri-built-ac2-pl-050-tri-built-iso-ii-grf-roof-insulation-board-3-in-x-4-ft-x-8-ft","provider":"Super Arbor","version":"1.0","type":"link"}