{"product_id":"johns-manville-jm-minwool-safb-mineral-wool-batt-insulation-unfaced-r-3-7-per-inch-3-5-in-x-16-in-x-48-in-42-67-sq-ft-mw3516-a","title":"Johns Manville (JM) MinWool SAFB Mineral Wool Batt Insulation, Unfaced, R-3.7 (per inch), 3.5 in x 16 in x 48 in, 42.67 sq-ft (MW3516-A)","description":"\u003ch1\u003eUnfaced mineral wool sound \u0026amp; fire batt insulation\u003c\/h1\u003e\n    \u003cp\u003e\u003cstrong\u003eJohns Manville MinWool® Sound Attenuation Fire Batts (SAFB) are unfaced mineral wool batts designed to reduce noise in wall and ceiling cavities while providing outstanding fire resistance. Durable, inorganic construction helps resist mold growth and vermin for long-lasting performance.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003chr\u003e\n    \u003ch2\u003eKey Features:\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSound Absorption:\u003c\/strong\u003e Helps improve wall assembly STC ratings by up to 10 dB for quieter rooms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire Resistance:\u003c\/strong\u003e Melting point exceeds 2000°F, with Flame Spread 0 and Smoke Developed 0.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Inorganic Mineral Wool:\u003c\/strong\u003e Does not support fungal growth and will not sustain vermin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnfaced Batts for Cavities:\u003c\/strong\u003e Fits standard framing and is suited for interior partitions, exterior walls, and above suspended ceilings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvenient Coverage:\u003c\/strong\u003e One bag covers 42.67 sq-ft for efficient takeoffs and installs.\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \n    \u003chr\u003e\n    \u003ch2\u003eSpecifications Table:\u003c\/h2\u003e\n    \u003ctable\u003e\n        \u003cthead\u003e\n            \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\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMinWool Sound Attenuation Fire Batt (SAFB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsulation type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMineral wool batt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnfaced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eR-value (per inch)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.7 (ASTM C518, value at 75°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage area per package\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e42.67 sq-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePieces per package\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSound control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eImproves wall assembly STC ratings by up to 10 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFire performance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMelting point \u0026gt;2000°F (1093°C); Flame Spread 0; Smoke Developed 0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDurability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInorganic; no fungal growth; does not sustain vermin\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003chr\u003e\n    \u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Where is this mineral wool batt typically used?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e In metal-stud wall cavities of interior partitions and exterior walls, or above suspended ceiling systems for sound control and fire resistance.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Is this batt faced or unfaced?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Unfaced.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What is the R-value?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Thermal resistance is R-3.7 per inch of thickness (ASTM C518, value at 75°F).\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: How much area does one bag cover?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e 42.67 sq-ft per package.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Does mineral wool resist mold and pests?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Yes—its inorganic construction does not support fungal growth and will not sustain vermin.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003ch2\u003eSilence, Sculpted—Performance Insulation With Quiet Luxury\u003c\/h2\u003e\n    \u003cp\u003eThink of this mineral wool batt as the unseen layer that makes a space feel impeccably composed—quieter, calmer, and more refined. Its dense, unfaced profile disappears into walls and ceilings while elevating comfort with serious sound absorption and impressive fire resistance. Use it behind feature walls, media rooms, or between living zones to create that hushed, gallery-like atmosphere. It’s the kind of behind-the-scenes essential that turns everyday interiors into truly luxurious living.\u003c\/p\u003e\n    \n    \u003chr\u003e\n    \u003cp\u003e\u003cstrong\u003eUpgrade your walls and ceilings with JM MinWool SAFB for quieter rooms, durable performance, and confident fire resistance.\u003c\/strong\u003e\u003c\/p\u003e","brand":"JM","offers":[{"title":"Default Title","offer_id":49006753153238,"sku":"MW3516-A","price":63.12,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/5244\/2838\/files\/jm.jpg?v=1783712442","url":"https:\/\/buildsupplyus.myshopify.com\/products\/johns-manville-jm-minwool-safb-mineral-wool-batt-insulation-unfaced-r-3-7-per-inch-3-5-in-x-16-in-x-48-in-42-67-sq-ft-mw3516-a","provider":"Buildsupply","version":"1.0","type":"link"}