{"product_id":"tri-built-tb-317006-tri-built-iso-rigid-roof-insulation-board-4-in-x-4-ft-x-4-ft","title":"TRI-BUILT ISO Rigid Roof Insulation Board, 4 in. x 4 ft. x 4 ft.","description":"\u003ch1\u003eTRI-BUILT ISO Rigid Roof Insulation Board, 4 in. x 4 ft. x 4 ft.\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eTRI-BUILT ISO Rigid Roof Insulation in a 4 in. thickness comes in a 4 ft. x 4 ft. panel covering 16 sq ft per piece. This thick polyiso board delivers high thermal value in a single layer for low-slope roof assemblies. 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\u003e4 in. polyiso board:\u003c\/strong\u003e Thick 4 in. rigid polyisocyanurate roof insulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16 sq ft per piece:\u003c\/strong\u003e 4 ft. x 4 ft. panel size covers 16 sq ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-layer R-value:\u003c\/strong\u003e A 4 in. board reduces the number of layers needed to reach design R-value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManageable size:\u003c\/strong\u003e Weighs approximately 10.4 lb per piece for easier handling than a full 4x8 sheet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-slope use:\u003c\/strong\u003e Used in low-slope roofing assemblies beneath the membrane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRepair friendly:\u003c\/strong\u003e Compact panel suits patches and small flat-roof sections.\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-317006\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, 4 in. x 4 ft. x 4 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 Rigid 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 4 ft., 4 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\u003e16 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\u003e4 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\u003e10.4 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 4 ft. panel covers 16 sq ft at a single 4 in. layer. Divide the roof area by 16 to size the job, using the same count per layer in multi-layer assemblies.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003ePart of the TRI-BUILT ISO rigid roof insulation family; pair with thinner ISO boards for lower layers or taper systems. 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 4 ft. panel covers 16 sq ft at a 4 in. thickness.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Why choose a 4 in. board?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A thick board reaches high total R-value with fewer layers, reducing labor and joint count in the assembly.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is the 4x4 size easier to handle?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, at about 10.4 lb per piece it is easier to move through roof hatches than a full 4 x 8 sheet.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is it fastened?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Follow the roofing system manufacturer's attachment specification; fasteners and adhesives are sold separately.\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 4 in. x 4 ft. x 4 ft. ISO rigid 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\u003eA 4 in. polyiso layer is typically used as an upper board over a base layer or where high R-value per layer is required. Verify that the attachment fastener length penetrates the deck properly for the combined thickness. Keep boards flat, dry and out of direct sun exposure before installation.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eKeep rigid polyiso insulation away from open flame, heat and sparks, and follow the manufacturer's instructions and local building codes during installation.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder TRI-BUILT 4 in. ISO rigid roof insulation 4x4 panels for high R-value in fewer layers.\u003c\/strong\u003e\u003c\/p\u003e","brand":"TRI-BUILT","offers":[{"title":"Default Title","offer_id":53529517392239,"sku":"TB-317006","price":45.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/804399_default_hero.jpg?v=1790350745","url":"https:\/\/superarbor.io\/products\/tri-built-tb-317006-tri-built-iso-rigid-roof-insulation-board-4-in-x-4-ft-x-4-ft","provider":"Super Arbor","version":"1.0","type":"link"}