{"product_id":"johns-manville-jmcinv1448-johns-manville-invinsa-roof-board-0-25-in-x-4-ft-x-8-ft-protective-roof-board","title":"Johns Manville Invinsa Roof Board, 0.25 in. x 4 ft x 8 ft Protective Roof Board","description":"\u003ch1\u003eJohns Manville Invinsa Roof Board, 0.25 in. x 4 ft x 8 ft Protective Roof Board\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis is a Johns Manville Invinsa roof board, a resilient 0.25 in. thick panel measuring 4 ft x 8 ft that protects roof insulation beneath the membrane. Each order unit is one board. It works with the membrane above as part of a JM commercial roof system for maximum performance and longevity.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResilient roof board:\u003c\/strong\u003e Invinsa is a resilient, lightweight roof board designed as an integral roof system component.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects insulation:\u003c\/strong\u003e It provides a protective layer for the roof insulation below the membrane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull 4x8 sheet:\u003c\/strong\u003e The 4 ft x 8 ft sheet covers 32 sq ft with fewer joints than smaller boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.25 in. thickness:\u003c\/strong\u003e A slim 0.25 in. profile adds protection without significant build-up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCode-listed:\u003c\/strong\u003e UL Classified, FM Approved, and Miami-Dade County Approved to ASTM C1289, Type II, Class 4.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight:\u003c\/strong\u003e Each board weighs about 13 lb for easy handling and fast installation.\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\u003eSell unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 board, 0.25 in. x 4 ft x 8 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\u003eInvinsa Roof Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGypsum-based roof board (ASTM C1289 Type II)\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, 0.25 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\u003e0.25 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\u003e32 sq ft per board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13 lb per board\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 C1289, Type II, Class 4, Grades 1, 2, and 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProtective roof board over insulation in low-slope roofing\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 8 ft board covers 32 square feet. Divide the roof area by 32 to size the job, adding allowance for cut boards at edges and penetrations.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eInvinsa is installed between JM roof insulation and the roofing membrane within a JM system. Attachment fasteners, plates, or adhesives are specified per the roof assembly and sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What comes in one order?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One 0.25 in. x 4 ft x 8 ft Invinsa roof board, sold per piece.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much does one board cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One 4 ft x 8 ft board covers 32 square feet before cuts and waste.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What does Invinsa do in a roof system?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is a protective layer over the insulation that works with the membrane above for system performance and longevity.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is it attached?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Per the specified JM roof assembly, using fasteners and plates or approved adhesive; attachment components are ordered separately.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Which standard does it meet?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It conforms to ASTM C1289, Type II, Class 4, and is UL Classified, FM Approved, and Miami-Dade County Approved.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eInvinsa is JM's lightweight roof board for assemblies needing a resilient separator and cover layer over insulation, commonly specified in single-ply systems. Its 4x8 format speeds installation on open decks versus 4x4 boards. Always verify board grade and attachment requirements from the project spec before substituting thicknesses.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eWear cut-resistant gloves when scoring and snapping roof board; edges and dust require eye and respiratory protection per the SDS.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eAdd the Johns Manville Invinsa 0.25 in. roof board to your commercial roofing material list 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":53521631478127,"sku":"JMCINV1448","price":35.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/304985_default_hero.jpg?v=1790181108","url":"https:\/\/superarbor.io\/products\/johns-manville-jmcinv1448-johns-manville-invinsa-roof-board-0-25-in-x-4-ft-x-8-ft-protective-roof-board","provider":"Super Arbor","version":"1.0","type":"link"}