{"product_id":"johns-manville-90000937-johns-manville-enrgy-3-3-25-in-x-4-ft-x-4-ft-polyiso-roof-insulation-board-grade-ii-20-psi","title":"Johns Manville ENRGY 3 3.25 in. x 4 ft x 4 ft Polyiso Roof Insulation Board, Grade II (20 psi)","description":"\u003ch1\u003eJohns Manville ENRGY 3 3.25 in. x 4 ft x 4 ft Polyiso Roof Insulation Board, Grade II (20 psi)\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis Johns Manville ENRGY 3 board is a 3.25 in. thick, 4 ft x 4 ft Grade-II flat polyiso roof insulation with a closed-cell foam core and glass-reinforced facers. One board is one sell unit covering 16 sq ft. It installs with mechanical fasteners, urethane adhesive or hot asphalt under JM roofing systems.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh R-Value Core:\u003c\/strong\u003e The closed-cell polyisocyanurate foam core provides high R-value per inch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlass-Reinforced Facers:\u003c\/strong\u003e Glass-reinforced facers add rigidity and resistance to indentation and crushing.\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\u003eSystem Compatible:\u003c\/strong\u003e Compatible with BUR, modified bitumen and single-ply (TPO, PVC, EPDM) systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Approvals:\u003c\/strong\u003e UL Classified, FM approved, Miami-Dade and Florida Building Code approved, and PIMA QualityMark certified.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLTTR 18.9:\u003c\/strong\u003e The 3.25 in. thickness has an LTTR value of 18.9 (hr-ft2-F)\/BTU per the JM data sheet.\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\u003eJohns Manville\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90000937\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, 4 ft x 4 ft x 3.25 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\u003eENRGY 3\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 core with glass-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, 3.25 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\u003e3.25 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 minimum)\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\u003eStandards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASTM C1289 Type II Class 1 Grade 2; CAN\/ULC S704 Type 2 \u0026amp; 3, Class 3; UL 790, 263, 1256; FM 4450\/4470\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePIMA QualityMark certified, UL Classified, FM Approved, Miami-Dade County approved, Florida Building Code approved, Title 24 compliant, LEED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.14 lb per board\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 4 ft board covers 16 square feet of roof deck; divide total roof area by 16 to size board quantities.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eFor use in approved JM Peak Advantage roofing guarantees; compatible with JM single-ply (TPO, PVC, EPDM) and multi-ply (BUR, APP, SBS) systems installed mechanically fastened, adhered with urethane adhesive, or with hot asphalt. Fasteners, adhesives and membranes 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 order?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One 3.25 in. thick, 4 ft x 4 ft ENRGY 3 Grade-II polyiso roof insulation board.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How many boards do I need?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Each 4 ft x 4 ft board covers 16 square feet, so divide roof area by 16 and add for waste.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is this board attached?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It can be mechanically fastened, set in urethane adhesive, or installed with hot asphalt per JM application instructions.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What R-value does the 3.25 in. thickness provide?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The JM data sheet lists an LTTR value of 18.9 (hr-ft2-F)\/BTU for the 3.25 in. thickness; ultimate R-value depends on installation circumstances.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it go directly on a steel deck?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, ENRGY 3 is approved for direct application to steel decks.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it compatible with single-ply membranes?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is compatible with TPO, PVC and EPDM systems as well as BUR and modified bitumen.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eENRGY 3 Grade 2 is the standard 20 psi polyiso used under JM single-ply and multi-ply systems, and the 3.25 in. thickness is a common mid-tier choice for assemblies balancing R-value against fastener lengths. Follow JM's minimum pre-securement patterns when the board sits under a mechanically fastened membrane, and confirm membrane fastener counts with a JM technical specialist. Size flute spans on metal decks per the data sheet before install.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFollow Johns Manville application instructions, the product Safety Data Sheet, and local code for attachment, and use fall protection when working on the roof.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder Johns Manville ENRGY 3 3.25 in. polyiso insulation boards for your commercial roof assembly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Johns Manville","offers":[{"title":"Default Title","offer_id":53527329210735,"sku":"90000937","price":29.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/410089_default_hero.jpg?v=1790313953","url":"https:\/\/superarbor.io\/products\/johns-manville-90000937-johns-manville-enrgy-3-3-25-in-x-4-ft-x-4-ft-polyiso-roof-insulation-board-grade-ii-20-psi","provider":"Super Arbor","version":"1.0","type":"link"}