{"product_id":"johns-manville-vapor-barrier-sar-sheeting-roll-3-44-squares-per-roll","title":"Johns Manville Vapor Barrier SAR Sheeting Roll, 3.44 Squares per Roll","description":"\u003ch1\u003eJohns Manville Vapor Barrier SAR Sheeting Roll, 3.44 Squares per Roll\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis is a Johns Manville Vapor Barrier SAR sheeting roll rated at 3.44 squares (344 sq ft) of coverage per roll. It is sold as a single roll and is used as an air and vapor barrier behind interior finishes. Pair it with compatible sealants and seam tape from the same weatherproofing system.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir and vapor control:\u003c\/strong\u003e Functions as an air and vapor barrier sheeting in wall assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll format:\u003c\/strong\u003e Supplied as one continuous roll for efficient installation over large wall areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenerous coverage:\u003c\/strong\u003e Each roll covers approximately 3.44 squares, or 344 square feet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer backed:\u003c\/strong\u003e Produced by Johns Manville, an established insulation and building materials manufacturer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle variant:\u003c\/strong\u003e Offered in one roll configuration matching the listed 3.44 squares per roll.\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 roll, 3.44 squares\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJohns Manville Vapor Barrier SAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.44 squares (344 sq ft) per roll\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\u003e3.44 squares per roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAir and vapor barrier sheeting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAir and vapor barrier behind interior wall finishes\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 roll covers approximately 3.44 squares (344 square feet). Measure your wall area, add allowance for laps and penetrations, and divide by 344 sq ft to determine the number of rolls.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eUse within wall assemblies as part of a Johns Manville air and vapor barrier approach, with compatible seam sealants and fasteners specified by the manufacturer. Tape, sealants 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 with one order?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One roll of Johns Manville Vapor Barrier SAR with approximately 3.44 squares (344 sq ft) of sheeting.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How many rolls do I need?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Measure the wall surface area, add material for overlaps and waste, then divide the total by 344 square feet per roll.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Where is this product installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is installed as an air and vapor barrier sheeting within wall assemblies, typically behind interior finish materials.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What fastens the barrier?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The manufacturer's installation instructions should be followed; cap fasteners or compatible attachment methods and seam sealants are typically required and sold separately.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is this a breathable membrane?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The listing identifies it as an air and vapor barrier sheeting; consult the manufacturer's data sheet for permeance details not stated in the listing.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eSize your order from the net wall area after deducting openings, then add roughly 10 percent for laps, cuts and waste. Continuity matters more than thickness with vapor barrier sheeting, so seal all seams, penetrations and transitions. Keep a detailing product such as compatible tape on hand before you start.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFollow manufacturer installation guidance and local building code requirements for vapor barrier placement in your climate zone.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder the Johns Manville Vapor Barrier SAR roll for dependable air and vapor control in your wall assemblies.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Johns Manville","offers":[{"title":"Default Title","offer_id":53531877310831,"sku":"09MVVBSAR","price":307.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/Underlayment-Mineral-Surface-SKU_3347741-primary.png?v=1790369574","url":"https:\/\/superarbor.io\/products\/johns-manville-vapor-barrier-sar-sheeting-roll-3-44-squares-per-roll","provider":"Super Arbor","version":"1.0","type":"link"}