{"product_id":"tri-built-tb-316920-tri-built-2-6-in-x-4-ft-x-8-ft-polyiso-iso-rigid-roof-insulation-board","title":"TRI-BUILT 2.6 in. x 4 ft. x 8 ft. Polyiso ISO Rigid Roof Insulation Board","description":"\u003ch1\u003eTRI-BUILT 2.6 in. x 4 ft. x 8 ft. Polyiso ISO Rigid Roof Insulation Board\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis TRI-BUILT ISO rigid roof insulation board is a 2.6 in. thick polyisocyanurate panel in a 4 ft. x 8 ft. sheet, sold as a single piece. It provides a continuous rigid foam layer for low-slope roofing assemblies and pairs with roof cover boards, adhesives and membrane systems in the same roof build-up.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRigid polyiso core:\u003c\/strong\u003e Made of polyisocyanurate rigid foam insulation for low-slope roof assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull 4x8 sheet:\u003c\/strong\u003e Each board measures 4 ft. x 8 ft., providing 32 sq ft of panel area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThick 2.6 in. panel:\u003c\/strong\u003e At 2.6 in. thick, this board adds substantial insulation value in a single layer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight handling:\u003c\/strong\u003e Weighs approximately 14.75 lb per board for easier job-site handling and cutting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat board stock:\u003c\/strong\u003e Rigid board format lays flat for tapered or flat roof insulation layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-piece sell unit:\u003c\/strong\u003e Sold by the piece so you can order exactly the number of boards your layout 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\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-316920\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 2.6 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\u003eTRI-BUILT ISO 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) rigid foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\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\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.6 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\u003e14.75 lb per board\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 roof 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 of roof area. Divide your total roof area by 32 to estimate board count, allowing for edge fit and cut waste.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eTRI-BUILT ISO boards are used as rigid insulation within low-slope roof assemblies and pair with roof cover boards, insulation adhesives and single-ply or modified bitumen membranes. Fastening pattern and attachment method should follow the roofing system manufacturer's requirements.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included in one order?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One 2.6 in. thick, 4 ft. x 8 ft. polyiso insulation board, sold as a single piece.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How many boards do I need?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Each board covers 32 sq ft, so divide your roof area in square feet by 32 and add for cuts and waste.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is the board installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Rigid polyiso is typically mechanically fastened or adhered per the roofing system manufacturer's instructions; follow local code for attachment.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use this under any membrane?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is intended as rigid insulation in low-slope assemblies; confirm acceptance with your membrane system manufacturer before installation.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much does one board weigh?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Approximately 14.75 lb per board.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it cut on site?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, rigid polyiso boards can be scored and cut to fit with a common insulation saw or utility knife.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003ePolyiso is the standard choice for low-slope roof insulation because of its high R-value per inch; a 2.6 in. board lets you build thickness in fewer layers. Stage boards flat and keep them dry until covered, and stagger joints between layers when installing multiple lifts. Verify attachment requirements with the membrane manufacturer and local wind-uplift code.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eWear gloves, eye protection and a dust mask when cutting rigid foam boards, and follow the roofing system manufacturer's instructions and local code.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder TRI-BUILT 2.6 in. ISO rigid roof insulation boards today and build your roof assembly in fewer layers.\u003c\/strong\u003e\u003c\/p\u003e","brand":"TRI-BUILT","offers":[{"title":"Default Title","offer_id":53529505628527,"sku":"TB-316920","price":58.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/804353_default_hero.jpg?v=1790350499","url":"https:\/\/superarbor.io\/products\/tri-built-tb-316920-tri-built-2-6-in-x-4-ft-x-8-ft-polyiso-iso-rigid-roof-insulation-board","provider":"Super Arbor","version":"1.0","type":"link"}