{"product_id":"elevate-polyiso-insulation-board-4-ft-x-8-ft-x-1-75-in-flat-sheet","title":"Elevate Polyiso Insulation Board 4 ft. x 8 ft. x 1.75 in. Flat Sheet","description":"\u003ch1\u003eElevate Polyiso Insulation Board 4 ft. x 8 ft. x 1.75 in. Flat Sheet\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis is Elevate polyiso insulation board, supplied as a flat 4 ft. x 8 ft. x 1.75 in. sheet. It is installed as roof insulation beneath low-slope membrane roofing. One order unit is one sheet.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.75 in. thickness:\u003c\/strong\u003e The board is 1.75 in. thick for substantial R-value in a single layer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull 4 x 8 sheet:\u003c\/strong\u003e Each sheet measures 4 ft. x 8 ft., covering 32 sq. ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat board format:\u003c\/strong\u003e This is a flat, untapered insulation board for general deck coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolyiso insulation:\u003c\/strong\u003e Made of polyisocyanurate foam, the standard low-slope roof insulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElevate system fit:\u003c\/strong\u003e It is part of the Elevate (Holcim) roofing product family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePer-sheet unit:\u003c\/strong\u003e One order unit is one 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\u003eElevate (Holcim)\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 sheet, 4 ft. x 8 ft. x 1.75 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\u003eElevate Polyiso Insulation Board\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\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., 1.75 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\u003e1.75 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 ft.\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 sheet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlat roof insulation under low-slope membrane roofing\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. sheet covers 32 sq. ft. of deck. Divide total roof area by 32 and add a waste allowance for perimeter cuts, penetrations and laps.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eThis flat polyiso board installs beneath low-slope roofing membranes, including Elevate (Holcim) membrane systems sold separately. Tapered variants, cover boards and attachment products are ordered separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One sheet of Elevate polyiso insulation board, 4 ft. x 8 ft. x 1.75 in.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much does one sheet cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One sheet covers 32 sq. ft. of roof area.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is this board tapered?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this is a flat 1.75 in. board; tapered Elevate panels are a separate product line.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What is it made of?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Polyisocyanurate foam insulation.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I layer it with other boards?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, flat polyiso is commonly layered to reach total design thickness; confirm attachment with the membrane system.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is the membrane included?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, membranes, fasteners and adhesives are sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eA 1.75 in. flat polyiso sheet is a workhorse choice for single- or multi-layer roof insulation builds. Order sheets by total roof area plus waste, stagger joints between layers, and cover promptly with cover board or membrane to protect the foam from moisture and sun.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eUse fall protection on low-slope roofs and keep polyiso boards flat, dry and shielded from direct sunlight until covered.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder Elevate 1.75 in. polyiso insulation by the 4 ft. x 8 ft. sheet for your roof assembly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Elevate (Holcim)","offers":[{"title":"Default Title","offer_id":53531864727919,"sku":"58FSIS0178","price":42.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/Insulation-SKU_3303244-primary.jpg?v=1790369460","url":"https:\/\/superarbor.io\/products\/elevate-polyiso-insulation-board-4-ft-x-8-ft-x-1-75-in-flat-sheet","provider":"Super Arbor","version":"1.0","type":"link"}