{"product_id":"gaf-20-0-5-gaf-energyguard-1-2-in-x-4-ft-x-8-ft-grade-ii-20-psi-polyiso-roof-insulation-panel","title":"GAF EnergyGuard 1\/2 in. x 4 ft x 8 ft Grade II (20 psi) Polyiso Roof Insulation Panel","description":"\u003ch1\u003eGAF EnergyGuard 1\/2 in. x 4 ft x 8 ft Grade II (20 psi) Polyiso Roof Insulation Panel\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis is a GAF EnergyGuard 1\/2 in. thick, 4 ft x 8 ft Grade II (20 psi) polyisocyanurate roof insulation panel with glass fiber reinforced cellulosic felt (GRF) facers. One panel is the sell unit, sold per piece. Use it as part of a tapered EnergyGuard system to add slope and drive water to drains on low-slope commercial roofs.\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 facers provides high thermal efficiency for low-slope roof systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapered system ready:\u003c\/strong\u003e Designed for use in GAF EnergyGuard tapered systems that help eliminate ponding water and prolong roof life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-ply compatible:\u003c\/strong\u003e Compatible with TPO and PVC membranes in adhered, mechanically attached and induction welded systems, and approved for mod bit and BUR systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight handling:\u003c\/strong\u003e Panels are lightweight and easy to cut in the field, making installation more efficient.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCode approvals:\u003c\/strong\u003e FM Approved (4450\/4470), UL 1256\/790\/263 classified, Miami-Dade County approved 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\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\u003eManufacturer model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 0.5\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, 1\/2 in. x 4 ft x 8 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\u003eEnergyGuard Tapered Polyiso 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 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\u003e0.5 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrade \/ compressive strength\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\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 lb per panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASTM C1289; ASTM D1621; ASTM D2126; ASTM C209; ASTM E96; ASTM E84; FM Approved 4450\/4470; UL 1256\/790\/263; UL ER1306-03; Miami-Dade County Approved; Florida Building Code Approved; PIMA Quality Mark\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\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSloped roof insulation for low-slope commercial roof systems, including tapered and cricket applications\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 panel covers 32 sq ft of roof area. Calculate total square footage and slope layout (crickets, sumps, per-foot slopes) to size a tapered system; GAF offers tapered design assistance.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eWorks in GAF EnergyGuard tapered systems with mod bit, BUR, and TPO or PVC single-ply membranes in adhered, mechanically attached or induction welded applications. Compatible GAF plates, fasteners, adhesives and membranes are sold separately; a cover board is required for UL Class A over combustible decks.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included with this order?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One 1\/2 in. x 4 ft x 8 ft Grade II (20 psi) EnergyGuard polyiso insulation panel, sold per piece.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much area does one panel cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Each 4 ft x 8 ft panel covers 32 square feet before accounting for slope design and cutting waste.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can this be used with single-ply membranes?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is approved for mod bit, BUR and single-ply systems, and is compatible with TPO and PVC in adhered, mechanically attached and induction welded systems.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Does this panel provide slope?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This item is a 1\/2 in. panel; EnergyGuard tapered panels are available in slopes from 1\/16 in. to 1\/2 in. per foot and can be combined into tapered systems and crickets that drive water to drains.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What fasteners should I use?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Install per the GAF specification with compatible insulation fasteners and plates, following the membrane manufacturer's installation instructions and local code.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is a cover board required?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For UL Class A over combustible decks, a cover board is required; see UL iQ for assembly details.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eChoose 20 psi Grade II polyiso for standard commercial low-slope assemblies where cost and thermal value are the priority; step up to 25 psi Grade III where higher fastener pull-out loads demand it. For ponding-prone roofs, lay out crickets and sumps using tapered EnergyGuard panels rather than flat stock, and take advantage of GAF's pre-sorted, pre-labeled tapered shipments on larger jobs. Install over an approved deck per the GAF specification with compatible plates and fasteners, and verify wind-uplift requirements with a fastener pull test.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eHandle and cut panels with care on the roof and follow OSHA fall-protection requirements during commercial roofing installation.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eAdd GAF EnergyGuard 1\/2 in. polyiso roof insulation panels to your low-slope roofing estimate today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"GAF","offers":[{"title":"Default Title","offer_id":67619939418479,"sku":"20 0.5","price":32.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/Insulation-SKU_3280287-primary.jpg?v=1790716147","url":"https:\/\/superarbor.io\/products\/gaf-20-0-5-gaf-energyguard-1-2-in-x-4-ft-x-8-ft-grade-ii-20-psi-polyiso-roof-insulation-panel","provider":"Super Arbor","version":"1.0","type":"link"}