{"product_id":"johns-manville-90000702-johns-manville-fesco-2-in-x-4-ft-x-4-ft-perlite-roof-cover-board-sold-per-piece","title":"Johns Manville FESCO 2 in. x 4 ft. x 4 ft. Perlite Roof Cover Board, Sold per Piece","description":"\u003ch1\u003eJohns Manville FESCO 2 in. x 4 ft. x 4 ft. Perlite Roof Cover Board, Sold per Piece\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis is a single 2 in. thick, 4 ft x 4 ft Johns Manville FESCO perlite-based roof cover board, sold per piece at 16 sq ft of coverage per board. FESCO gives a rigid, code-listed substrate under low-slope single-ply and other roofing membranes. It meets ASTM C728 Type 1 and is UL Classified, FM Approved and Miami-Dade County Approved.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerlite cover board:\u003c\/strong\u003e Rigid perlite-based cover board per ASTM C728, Type 1.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16 sq ft per board:\u003c\/strong\u003e Each 4 ft x 4 ft board covers 16 sq ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 in. thickness:\u003c\/strong\u003e Board measures 2 in. thick.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCode-listed:\u003c\/strong\u003e UL Classified, FM Approved and Miami-Dade County Approved.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold per piece:\u003c\/strong\u003e Order exact piece counts for small jobs and repairs.\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\u003e90000702\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 2 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\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, 2 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\u003e2 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 board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 piece\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\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e31.4 lb per board (gross)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoof cover board under low-slope commercial roofing membranes\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 board covers 16 sq ft; divide the roof area by 16 sq ft per board and add a cutting allowance.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eInstalled under Johns Manville single-ply and other low-slope roofing systems as a cover board layer per the specified system. Attachment adhesive and fasteners are sold 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 4 ft x 4 ft board, 2 in. thick, covering 16 sq ft.\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 Divide the roof area by 16 sq ft per board and add allowance for cuts and perimeter fitting.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Why choose the 4 ft x 4 ft size?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Smaller panels are easier to hand-carry onto the roof and waste less material on small jobs.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it code approved?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes: UL Classified, FM Approved, Miami-Dade County Approved, meeting ASTM C728 Type 1.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is it installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Per the specified membrane system, with compatible adhesive or fasteners sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eThe 2 in. thickness adds meaningful height and stiffness where the system calls for a thick cover board layer. Because a 2 in. 4x4 board weighs over 30 lb, plan for two-person handling on ladders and roof loading. Stagger joints between boards for a stable membrane substrate.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eWear gloves when handling cut board edges and lift heavy panels with proper technique or two people.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder the Johns Manville FESCO 2 in. x 4 ft x 4 ft perlite cover board by the piece today.\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":53521627251055,"sku":"90000702","price":34.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/12607_default_hero.jpg?v=1790180910","url":"https:\/\/superarbor.io\/products\/johns-manville-90000702-johns-manville-fesco-2-in-x-4-ft-x-4-ft-perlite-roof-cover-board-sold-per-piece","provider":"Super Arbor","version":"1.0","type":"link"}