{"product_id":"johns-manville-90000700-johns-manville-fesco-perlite-based-roof-cover-board-1-5-in-x-4-ft-x-4-ft-panel","title":"Johns Manville FESCO Perlite-Based Roof Cover Board, 1.5 in. x 4 ft x 4 ft Panel","description":"\u003ch1\u003eJohns Manville FESCO Perlite-Based Roof Cover Board, 1.5 in. x 4 ft x 4 ft Panel\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThe Johns Manville FESCO perlite-based cover board is a 1.5 in. thick, 4 ft x 4 ft board used as a protective cover layer over roof insulation beneath the membrane. Each order unit is one panel covering 16 sq ft. It pairs with JM commercial roofing insulation and single-ply membrane systems.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerlite-based core:\u003c\/strong\u003e FESCO is a perlite-based cover board designed to protect roof insulation under the roofing membrane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.5 in. thickness:\u003c\/strong\u003e This panel is 1.5 in. thick, providing added cover over the insulation layer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCode-listed:\u003c\/strong\u003e UL Classified, FM Approved, and Miami-Dade County Approved, meeting ASTM C728, Type 1.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16 sq ft per panel:\u003c\/strong\u003e Each 4 ft x 4 ft panel covers 16 square feet of roof area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManageable weight:\u003c\/strong\u003e The panel weighs approximately 23.8 lb for easier handling on the roof.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJM system component:\u003c\/strong\u003e Designed as an integral component of Johns Manville commercial roof 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\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\u003e90000700\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, 1.5 in. x 4 ft x 4 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\u003eFESCO Perlite-Based Cover Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePerlite-based cover board\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, 1.5 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\u003e1.5 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23.8 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\u003eUL Classified; FM Approved; Miami-Dade County Approved; ASTM C728, Type 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommercial low-slope roofing cover board over insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlgae resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\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 square feet. Divide total roof area by 16 to estimate panel count, allowing for cut waste around edges and penetrations.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eFESCO cover board is installed over JM roof insulation beneath JM single-ply or built-up membrane systems. Fasteners and plates or approved adhesives are sold separately; follow the specific JM system assembly.\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 1.5 in. x 4 ft x 4 ft FESCO perlite-based cover board panel, sold per piece.\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 Each panel covers 16 sq ft, so divide your roof area by 16 and add for cuts and waste.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is it installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is set over roof insulation and attached with fasteners\/plates or adhesive per the specified JM roof system assembly.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it fire rated?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is UL Classified and FM Approved and conforms to ASTM C728, Type 1; use it within a listed JM roof assembly.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it be used under any membrane?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is intended for use in compatible Johns Manville roofing systems; confirm the assembly with the project specification.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003ePerlite cover boards like FESCO are a proven, economical choice for protecting polyiso insulation in low-slope roof systems and are widely accepted in UL and FM assemblies. Stagger board joints and confirm the specified attachment pattern for your wind zone. Choose a thicker board like this 1.5 in. panel when the assembly calls for added cover height or rigidity.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCover board panels are heavy and brittle at corners; lift with proper technique and keep boards dry and flat until installed.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder the Johns Manville FESCO 1.5 in. perlite cover board for your next commercial roofing job.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eProduct Documents:\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.jm.com\/content\/dam\/jm\/global\/en\/commercial-roofing\/brochures\/RS-7859_FM_Very_Severe_Hail_Rating_SBS_System_Approval.pdf\" target=\"_blank\" rel=\"noopener\"\u003eProduct Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Johns Manville","offers":[{"title":"Default Title","offer_id":53521626923375,"sku":"90000700","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/12606_default_hero.jpg?v=1790180892","url":"https:\/\/superarbor.io\/products\/johns-manville-90000700-johns-manville-fesco-perlite-based-roof-cover-board-1-5-in-x-4-ft-x-4-ft-panel","provider":"Super Arbor","version":"1.0","type":"link"}