{"product_id":"iko-4183013-iko-ikotherm-grade-ii-20-psi-polyiso-roof-insulation-board-2-in-x-4-ft-x-4-ft","title":"IKO IKOTherm Grade-II (20 psi) Polyiso Roof Insulation Board, 2 in. x 4 ft. x 4 ft.","description":"\u003ch1\u003eIKO IKOTherm Grade-II (20 psi) Polyiso Roof Insulation Board, 2 in. x 4 ft. x 4 ft.\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis IKO IKOTherm Grade-II polyisocyanurate roof insulation board measures 2 in. thick, 4 ft. x 4 ft., with a 20 psi Grade-II compressive rating. Its kraft paper facer reinforced with glass fiber strands delivers high strength and excellent absorption for hot mop, adhesive, or mechanical attachment. Sold per piece; allow 16 boards per roofing square.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad system use:\u003c\/strong\u003e Designed to be part of modified bitumen, built-up, or single-ply roof systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh R-value per inch:\u003c\/strong\u003e Rigid polyiso foam with high thermal properties helps reduce heating and cooling costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade-II 20 psi:\u003c\/strong\u003e Grade-II compressive strength rated at 20 psi for low-slope roof assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdhesion-ready facer:\u003c\/strong\u003e Kraft paper reinforced with fiberglass strands offers excellent absorption for hot mopping and adhesive attachment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical fastening:\u003c\/strong\u003e Also performs well when installed with mechanical fasteners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy handling:\u003c\/strong\u003e At under 7 lb per board, it is lightweight and easy to carry and cut on the roof.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCode-listed:\u003c\/strong\u003e Meets ASTM C1289 and CAN\/ULC S-704, with FM Approval and UL Classification.\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\u003eIKO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4183013\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, 2 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\u003eIKOTherm polyisocyanurate roof insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProfile \/ style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlat board, kraft\/fiberglass-reinforced facers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTan\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 x 2 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 board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolyisocyanurate foam, kraft paper facer reinforced with glass fiber strands\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompressive strength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 psi (Grade-II)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplicable standards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASTM C1289; CAN\/ULC S-704; FM Approved; UL Classified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.752 lb per board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlgae resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eModified bitumen, built-up, or single-ply low-slope roof insulation\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 board covers 16 sq ft of roof deck. For one roofing square (100 sq ft), allow 16 boards (256 sq ft) to cover field cuts and staggered joints.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eMade for modified bitumen, built-up and single-ply low-slope roof systems; install per IKO and membrane manufacturer specifications. Other thicknesses, tapered variants, and attachment materials are sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: How many boards do I need for 100 sq ft?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Each board covers 16 sq ft, so 16 boards give 256 sq ft, covering one square with joint stagger and cutting waste.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What attachment methods work?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The fiberglass-reinforced kraft facer is designed for excellent absorption with hot mopping and adhesive attachment, and the board also performs well with mechanical fasteners.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the compressive rating?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Grade-II polyiso is rated at 20 psi compressive strength per the ASTM C1289 classification.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Which roof systems can it be used in?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e IKOTherm is designed to be part of modified bitumen, built-up, or single-ply roof systems.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What size is this board?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This item is 2 in. thick, 4 ft x 4 ft; IKOTherm is also offered in other sizes and thicknesses, sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eA 2 in. Grade-II board is a versatile workhorse for base layers, upper layers in staggered two-layer assemblies, and re-cover work. Keep joints tight and staggered between layers, and verify fastener density against the project's wind-uplift design. Use the LTTR\/aged R-value on the board label for code submittals.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eWear gloves and eye protection when cutting polyiso boards, and keep them clear of hot work and open flame during application.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder the IKO IKOTherm 2 in. polyiso roof insulation board for your next low-slope roofing job.\u003c\/strong\u003e\u003c\/p\u003e","brand":"IKO","offers":[{"title":"Default Title","offer_id":53529544425839,"sku":"4183013","price":19.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/687329_default_hero.jpg?v=1790351261","url":"https:\/\/superarbor.io\/products\/iko-4183013-iko-ikotherm-grade-ii-20-psi-polyiso-roof-insulation-board-2-in-x-4-ft-x-4-ft","provider":"Super Arbor","version":"1.0","type":"link"}