{"product_id":"insulfoam-infepstc51258-insulfoam-c5-tapered-eps-roof-insulation-4-ft-x-8-ft-1-25-pcf-density","title":"InsulFoam C5 Tapered EPS Roof Insulation, 4 ft. x 8 ft., 1.25 pcf Density","description":"\u003ch1\u003eInsulFoam C5 Tapered EPS Roof Insulation, 4 ft. x 8 ft., 1.25 pcf Density\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eInsulFoam C5 tapered EPS roof insulation is a 4 ft. x 8 ft. expanded polystyrene panel at 1.25 pcf density, sold per piece with 10 pieces per bundle. It creates positive roof slope and thermal resistance in low-slope roof assemblies. Install over the deck under the approved roof membrane per manufacturer instructions.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapered profile:\u003c\/strong\u003e The C5 tapered design provides slope for drainage on low-slope roof assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25 pcf density:\u003c\/strong\u003e Specified at 1.25 lb per cubic foot density for roof insulation performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 ft. x 8 ft. panel:\u003c\/strong\u003e The standard 4 ft. x 8 ft. panel size simplifies layout and coverage planning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified EPS:\u003c\/strong\u003e Meets ASTM C578 and carries UL, FM, Miami-Dade County and ICC-ES approvals as listed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBundled delivery:\u003c\/strong\u003e Panels ship 10 pieces per bundle for efficient jobsite handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustainable materials:\u003c\/strong\u003e Listed with Energy Star and NAHB National Green Building Program recognition and USGBC membership.\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\u003eInsulFoam\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 8 ft. (10 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\u003eInsulFoam C5 tapered 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 8 ft. panel, tapered (C5 taper)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExpanded polystyrene (EPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDensity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.25 pcf\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 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\u003e32 sq ft per panel (4 ft. x 8 ft.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASTM C578; UL Approved; FM Approved; Miami-Dade County; ICC-ES Approved; Energy Star; NAHB National Green Building Program; USGBC Member\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQXO category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoofing Insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTapered roof insulation for low-slope roofing assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct weight, complete sell unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 lb\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. panel covers 32 sq ft before accounting for the taper layout; order panels to match the field dimensions and taper scheme of your roof design. Bundles of 10 cover 320 sq ft as a planning figure.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eUsed in low-slope roof assemblies beneath approved roof membranes and cover boards per the roofing system manufacturer. Membrane, adhesives, fasteners and cover boards are sold separately; verify the assembly with the membrane manufacturer.\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 piece of InsulFoam C5 tapered EPS roof insulation, 4 ft. x 8 ft., 1.25 pcf density; panels ship 10 per bundle.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What does one panel cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A 4 ft. x 8 ft. panel covers 32 sq ft of roof area before taper-layout allowances.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What standards does it meet?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Listed standards include ASTM C578, UL, FM, Miami-Dade County and ICC-ES approvals, plus Energy Star and NAHB green building recognition.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What does C5 tapered mean?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e C5 refers to this tapered panel configuration, which provides drainage slope in low-slope roof assemblies.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is the membrane included?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this listing is insulation only; the roof membrane, adhesives and fasteners are purchased separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eTapered EPS is sized from a tapered layout drawing, so order panels to match your crane-loped plan including sumps and crickets. Confirm the substrate and attachment method (fully adhered or mechanically fastened) with the membrane manufacturer before installation. At 1.25 pcf this density suits systems requiring higher compressive resistance than standard EPS fills; add a cover board where the system specification calls for one.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eHandle large lightweight panels carefully in wind and keep them clear of open flame, solvents and hot work; install per the roofing system manufacturer and local code.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder InsulFoam C5 tapered EPS 4 ft. x 8 ft. roof insulation for your low-slope roofing project.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Insulfoam","offers":[{"title":"Default Title","offer_id":53529507299695,"sku":"INFEPSTC51258","price":99.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/564106_default_hero.jpg?v=1790350584","url":"https:\/\/superarbor.io\/products\/insulfoam-infepstc51258-insulfoam-c5-tapered-eps-roof-insulation-4-ft-x-8-ft-1-25-pcf-density","provider":"Super Arbor","version":"1.0","type":"link"}