{"product_id":"gaf-gaf15iso4-gaf-energyguard-1-5-in-4-ft-x-4-ft-grade-ii-20-psi-polyiso-roof-insulation-panel","title":"GAF EnergyGuard 1.5 in. 4 ft x 4 ft Grade-II (20 psi) Polyiso Roof Insulation Panel","description":"\u003ch1\u003eGAF EnergyGuard 1.5 in. 4 ft x 4 ft Grade-II (20 psi) Polyiso Roof Insulation Panel\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis is a GAF EnergyGuard 1.5 in. thick polyisocyanurate roof insulation panel measuring 4 ft x 4 ft, rated Grade-II (20 psi) under ASTM C1289 Type II. Each panel is a sell unit sold by the piece; a bundle contains 32 panels covering 512 sq ft. It pairs with GAF-approved low-slope roof systems including single-ply, mod bit and BUR assemblies.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh thermal value:\u003c\/strong\u003e Polyisocyanurate foam core bonded to glass fiber reinforced cellulosic felt (GRF) facers delivers high thermal efficiency per inch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 psi compressive strength:\u003c\/strong\u003e Grade-II rating per ASTM C1289 Type II, Class 1 provides 20 psi compressive strength for commercial low-slope roofing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide system compatibility:\u003c\/strong\u003e Approved for use with modified bitumen, BUR and single-ply systems, including TPO and PVC in adhered, mechanically attached and induction welded applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy field cutting:\u003c\/strong\u003e Lightweight panels are easy to cut in the field, making handling and installation more efficient.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad approvals:\u003c\/strong\u003e FM Approved, UL Classified, Miami-Dade County Approved and Florida Building Code Approved.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustainable content:\u003c\/strong\u003e Green Circle Certified for recycled content and contributes to green building rating systems.\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\u003eGAF\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 4 ft x 1.5 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\u003eEnergyGuard Polyiso 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 foam core with glass fiber reinforced cellulosic felt (GRF) facers\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, 1.5 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\u003e1.5 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\u003e20 psi (Grade-II)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASTM C1289, Type II (Class 1); ASTM D1621; ASTM D2126; ASTM C209; ASTM E96; ASTM E84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFM Approved; UL Classified; Florida Building Code Approved; Miami-Dade County Approved; PIMA Quality Mark\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 pieces per bundle\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\u003e512 sq ft per bundle (16 sq ft per panel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.456 lb per panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommercial 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 panel covers 16 sq ft; a full bundle of 32 panels covers 512 sq ft. Divide the roof area by 16 sq ft per panel to estimate panel count.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eApproved for modified bitumen, BUR and single-ply roof systems, including TPO and PVC in adhered, mechanically attached and induction welded systems. Membrane, adhesive and fastening components are sold separately; install per GAF specification.\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 4 ft x 4 ft, 1.5 in. thick polyiso insulation panel; panels ship 32 per bundle.\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 16 sq ft, so divide your roof area by 16 to estimate the panel count and allow for cuts.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What strength is this panel?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is Grade-II per ASTM C1289 Type II, Class 1, rated at 20 psi compressive strength.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it be used under TPO or PVC membranes?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, GAF lists compatibility with TPO and PVC in adhered, mechanically attached and induction welded single-ply systems, plus mod bit and BUR.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it approved in my region?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is FM Approved, UL Classified, Florida Building Code Approved and Miami-Dade County Approved; always confirm with local code requirements.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How heavy are the panels?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Each 1.5 in. panel weighs about 5.5 lb, making it lightweight and easy to handle on the roof.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eChoose 1.5 in. EnergyGuard when you need moderate R-value buildup or a fill layer under a tapered system. Stack thicknesses to hit the target R-value and stagger joints between layers. Confirm the deck type and attachment method against the GAF data sheet and UL assembly details before ordering, and pair with a GAF-approved cover board where UL Class A over combustible decks is required.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eHandle and cut panels with gloves and eye protection, and follow the manufacturer's installation instructions and local building code for attachment and fire-assembly requirements.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder GAF EnergyGuard 1.5 in. polyiso roof insulation today and build a high thermal value low-slope roof system.\u003c\/strong\u003e\u003c\/p\u003e","brand":"GAF","offers":[{"title":"Default Title","offer_id":53521602445679,"sku":"GAF15ISO4","price":18.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/17022_default_hero.jpg?v=1790179942","url":"https:\/\/superarbor.io\/products\/gaf-gaf15iso4-gaf-energyguard-1-5-in-4-ft-x-4-ft-grade-ii-20-psi-polyiso-roof-insulation-panel","provider":"Super Arbor","version":"1.0","type":"link"}