{"product_id":"gaf-gaf3iso4-gaf-3-in-4-ft-x-4-ft-energyguard-grade-ii-20-psi-polyiso-roof-insulation-panel","title":"GAF 3 in. 4 ft x 4 ft EnergyGuard Grade-II (20 psi) Polyiso Roof Insulation Panel","description":"\u003ch1\u003eGAF 3 in. 4 ft x 4 ft EnergyGuard Grade-II (20 psi) Polyiso Roof Insulation Panel\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis is a GAF EnergyGuard Grade-II (20 psi) polyisocyanurate roof insulation panel measuring 4 ft x 4 ft and 3 in. thick, with glass fiber reinforced cellulosic felt facers bonded to a polyiso foam core. Each panel covers 16 sq ft and bundles of 16 cover 256 sq ft. It installs in low-slope roof systems as insulation or tapered fill and pairs with GAF single-ply, mod-bit and BUR membranes.\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 provides high thermal efficiency for low-slope commercial roofs.\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 strength classification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem approvals:\u003c\/strong\u003e Approved for use with modified bitumen, BUR and single-ply roof systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThird-party listed:\u003c\/strong\u003e FM Approved 4450\/4470, UL 1256\/790\/263, Miami-Dade County and State of Florida approved.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecycled content:\u003c\/strong\u003e Green Circle Certified for recycled content and contributes to green building rating systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy handling:\u003c\/strong\u003e Lightweight panels are easy to cut in the field for faster installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapered system ready:\u003c\/strong\u003e Works within GAF EnergyGuard tapered designs that help drive water to roof drains.\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 3 in. (16 per bundle)\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\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 ft x 4 ft, 3 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 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\u003e16 sq ft per panel; 256 sq ft per 16-piece bundle\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 with glass fiber reinforced cellulosic felt (GRF) facers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASTM C1289 Type II, Class 1, Grade 2 (20 psi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 panels per bundle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.344 lb per panel (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem approval\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMod bit, BUR, single-ply\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 4450\/4470; UL 1256\/790\/263; UL ER1306-03; Miami-Dade County Approved; Florida Building Code Approved; PIMA Quality Mark; ASTM C1289; ASTM D1621; ASTM D2126; ASTM C209; ASTM E96; ASTM E84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow-slope commercial roof insulation and tapered system fill\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; a 16-piece bundle covers 256 sq ft (4 squares per bundle). Divide your roof area by 16 sq ft per panel to size the job, and follow the tapered layout plan for slope direction.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eCompatible with GAF EnergyGuard tapered insulation systems and with TPO and PVC membranes in adhered, mechanically attached and induction welded systems, plus mod-bit and BUR assemblies. Membranes, adhesives and fasteners are sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included in one sell unit?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Each selling unit is one 4 ft x 4 ft, 3 in. thick panel; panels ship 16 to a bundle covering 256 sq ft.\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 Divide your roof area in square feet by 16 (the coverage of one 4 ft x 4 ft panel); one 16-piece bundle covers 256 sq ft.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can this be used in a tapered roof design?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is part of the GAF EnergyGuard tapered polyiso system, available in slopes from 1\/16 in. to 1\/2 in. per foot in standard and extended panels.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What compressive strength does it have?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is ASTM C1289 Type II, Class 1 Grade 2, rated at 20 psi minimum compressive strength.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Which roof systems is it approved for?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is system-approved for modified bitumen, BUR and single-ply assemblies, including TPO and PVC in adhered, mechanically attached and induction welded systems.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is it installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Install per the GAF tapered design and data sheet; panels are lightweight and cut easily in the field, and can be attached with fasteners or low-rise foam per system requirements.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eUse 20 psi Grade-II polyiso where standard ballast or membrane traffic loads are moderate; step up to Grade-III (25 psi) for heavier duty assemblies. In tapered designs, order the full slope schedule from a tapered layout so panels nest correctly and water drains to the design point. Keep panels dry before install and stagger joints per the data sheet, with a cover board where a UL Class A assembly over combustible decks requires one.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFollow the manufacturer's installation instructions, data sheet and local code, and use appropriate fall protection when working on low-slope roofs.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder GAF EnergyGuard Grade-II 20 psi polyiso insulation for your next low-slope roofing project.\u003c\/strong\u003e\u003c\/p\u003e","brand":"GAF","offers":[{"title":"Default Title","offer_id":53521602249071,"sku":"GAF3ISO4","price":36.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/16882_default_hero.jpg?v=1790179929","url":"https:\/\/superarbor.io\/products\/gaf-gaf3iso4-gaf-3-in-4-ft-x-4-ft-energyguard-grade-ii-20-psi-polyiso-roof-insulation-panel","provider":"Super Arbor","version":"1.0","type":"link"}