{"product_id":"carlisle-syntec-306088-carlisle-syntec-insulbase-3-7-in-x-4-ft-x-8-ft-polyiso-roof-insulation-panel-grade-ii-20-psi","title":"Carlisle SynTec InsulBase 3.7 in. x 4 ft x 8 ft Polyiso Roof Insulation Panel, Grade II (20 psi)","description":"\u003ch1\u003eCarlisle SynTec InsulBase 3.7 in. x 4 ft x 8 ft Polyiso Roof Insulation Panel, Grade II (20 psi)\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis Carlisle SynTec InsulBase Grade-II panel is a 3.7 in. thick, 4 ft x 8 ft polyiso roof insulation board with a closed-cell foam core bonded to glass-reinforced felt (GRF) facers. Sold as a single panel covering 32 sq ft, it installs beneath Carlisle single-ply membranes on steel decks and other commercial roof assemblies.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Thermal Value:\u003c\/strong\u003e InsulBase polyiso provides the highest R-value per inch of commercially available insulation products.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReadyFlash Technology:\u003c\/strong\u003e A dark GRF facer accelerates adhesive flash-off while the light GRF facer slows it down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteel Deck Approved:\u003c\/strong\u003e Approved for direct application to steel decks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 psi Grade II:\u003c\/strong\u003e Meets ASTM C1289, Type II, Class 1, Grade 2 (20 psi compressive resistance).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCode Approvals:\u003c\/strong\u003e UL Classified, FM Class 1 approved (4450\/4470), Florida Building Code approved and IBC Section 2603 compliant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Environmental Impact:\u003c\/strong\u003e HFC- and HCFC-free formulation with zero ozone-depleting components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustainability Credits:\u003c\/strong\u003e CDPH compliant and contributes to LEED certification.\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\u003eCarlisle SynTec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e306088\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 ft x 8 ft x 3.7 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\u003eInsulBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClosed-cell polyisocyanurate foam with glass-reinforced felt (GRF) 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 8 ft, 3.7 in. thick\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.7 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompressive strength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGrade 2 (20 psi)\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\u003eStandards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASTM C1289, Type II, Class 1, Grade 2; IBC Section 2603; UL 790, 263, 1256; FM 4450\/4470 Class 1; CAN\/ULC S704 Type 2 \u0026amp; 3, Class 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePIMA Quality Mark, CDPH compliant, LEED, Florida Building Code approved, California Title 24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.336 lb per panel\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\u003eEach 4 ft x 8 ft panel covers 32 square feet; divide roof area by 32 to estimate panel count.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eUse under Carlisle SynTec single-ply membrane systems with Carlisle adhesives, fasteners and cover boards (sold separately). Intended for low-slope commercial roof assemblies, including direct application to steel decks.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included with this purchase?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One 3.7 in. thick, 4 ft x 8 ft InsulBase Grade-II polyiso insulation panel.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How many panels do I need?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Each panel covers 32 square feet, so divide your roof area by 32 and add for waste and layout.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Which side should I apply membrane adhesive to?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The dark GRF facer speeds adhesive flash-off and the light facer slows it, so choose the side that matches ambient temperature conditions.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is this panel code approved?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is UL Classified, FM Class 1 approved under Standards 4450\/4470, Florida Building Code approved, and meets IBC Section 2603 and ASTM C1289 Type II, Class 1, Grade 2.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Does this panel work on steel decks?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, InsulBase polyiso is approved for direct application to steel decks.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the compressive strength?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This is a Grade 2 panel with 20 psi minimum compressive resistance.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eThe 3.7 in. thickness suits assemblies with high R-value targets where you want to minimize the number of boards in the roof system. Stage thicker panels flat and keep them dry, since edges can be damaged by forklifts and foot traffic on thin stock. Pair with a Carlisle cover board where the spec calls for one, and confirm attachment requirements for your membrane system per Carlisle's data sheets.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eRigid foam boards are slippery on sloped surfaces; secure panels promptly and follow the manufacturer's installation instructions and local code.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder Carlisle SynTec InsulBase 3.7 in. polyiso insulation panels for maximum R-value in your roof assembly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carlisle","offers":[{"title":"Default Title","offer_id":53527336354159,"sku":"306088","price":64.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/47389_default_hero.jpg?v=1790313978","url":"https:\/\/superarbor.io\/products\/carlisle-syntec-306088-carlisle-syntec-insulbase-3-7-in-x-4-ft-x-8-ft-polyiso-roof-insulation-panel-grade-ii-20-psi","provider":"Super Arbor","version":"1.0","type":"link"}