{"product_id":"johns-manville-90001033-johns-manville-invinsa-roof-board-0-25-in-x-4-ft-x-4-ft-protective-roof-board","title":"Johns Manville Invinsa Roof Board, 0.25 in. x 4 ft x 4 ft Protective Roof Board","description":"\u003ch1\u003eJohns Manville Invinsa Roof Board, 0.25 in. x 4 ft x 4 ft Protective Roof Board\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThe Johns Manville Invinsa roof board is a resilient, lightweight 0.25 in. thick board in a 4 ft x 4 ft size that protects roof insulation beneath the membrane. One order unit is one board covering 16 sq ft. It works with the membrane above as an integral component of the JM roof system.\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 for use 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 insulation while working with the membrane above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16 sq ft per board:\u003c\/strong\u003e The 4 ft x 4 ft board covers 16 square feet and is easy to handle in tight areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.25 in. thickness:\u003c\/strong\u003e The 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\u003eLight handling:\u003c\/strong\u003e At about 6.5 lb per board, it is easy to carry and position on the roof.\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\u003e90001033\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 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\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 4 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\u003e16 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\u003e6.5 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 4 ft board covers 16 square feet. Divide the roof area by 16 and add for cuts and waste around edges and penetrations.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eInvinsa installs over JM roof insulation beneath the roofing membrane in a JM system. Fasteners, plates, or adhesives follow the specified assembly and are sold separately.\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 0.25 in. x 4 ft x 4 ft Invinsa roof board, sold per piece.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much area does one board cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One 4 ft x 4 ft board covers 16 square feet before cuts and waste.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What is Invinsa used for?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is a protective roof board installed over insulation as part of the roof system, working with the membrane above.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is it installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Attach per the specified JM roof assembly with fasteners and plates or approved adhesive.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it approved for my system?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is UL Classified, FM Approved, and Miami-Dade County Approved to ASTM C1289, Type II, Class 4; confirm the project spec.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eThe 4x4 format is convenient for smaller roofs, patch work, and areas with many penetrations, while the 4x8 sheet suits open decks. Keep board joints tight and staggered over insulation joints. Confirm the specified board grade and attachment pattern from the JM assembly specification before ordering.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eScore-and-snap cutting produces sharp edges and dust; wear gloves, eye protection, and a dust mask per the product SDS.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder the Johns Manville Invinsa 0.25 in. 4x4 roof board for your low-slope roofing project.\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":53521632166255,"sku":"90001033","price":17.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/324695_default_hero.jpg?v=1790181170","url":"https:\/\/superarbor.io\/products\/johns-manville-90001033-johns-manville-invinsa-roof-board-0-25-in-x-4-ft-x-4-ft-protective-roof-board","provider":"Super Arbor","version":"1.0","type":"link"}