{"product_id":"jm-johns-manville-minwool-safb-sound-attenuation-fire-batt-insulation-r-3-7-2-in-x-16-in-x-48-in-unfaced-74-66-sq-ft","title":"JM (Johns Manville) MinWool SAFB Sound Attenuation Fire Batt Insulation — R-3.7, 2 in x 16 in x 48 in, Unfaced, 74.66 sq ft","description":"\n    \u003ch1\u003eJM MinWool SAFB mineral wool sound\/fire batt (R-3.7)\u003c\/h1\u003e\n    \u003cp\u003e\u003cstrong\u003eJM (Johns Manville) MinWool® Sound Attenuation Fire Batt (SAFB) is an unfaced mineral wool batt designed for noise control in wall and ceiling cavities. It’s noncombustible and moisture-resistant, helping improve assembly sound performance while adding fire resistance.\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 Dampening Performance:\u003c\/strong\u003e Absorbs sound and can improve wall assembly STC ratings by up to 10 dB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoncombustible Fire 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\u003eMoisture \u0026amp; Mold Defense:\u003c\/strong\u003e Mineral wool resists moisture and does not support fungi growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Fit for Cavities:\u003c\/strong\u003e Lightweight batts sized for common stud bays and framing applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnfaced Design:\u003c\/strong\u003e Installs without a facing for use in walls, floors, and ceilings where a vapor retarder isn’t required.\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003e\u003cstrong\u003ePlease check the Product Data Sheet \u003ca href=\"https:\/\/superarbor.io\/cdn\/shop\/files\/BID-0163-MinWool-SAFB-Data-Sheet_b6f16fe8-8312-468d-99d0-f5be809bd72a.pdf?v=1766980676\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003eHere\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\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\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJM (Johns Manville)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\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 insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFacing type\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\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eR-3.7\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\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\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e74.66 sq-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBeige\/Light Yellow\/Tan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMineral Wool (inorganic fibers derived from volcanic rock \/ inorganic fiber)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation locations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCeiling, Floor, Wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDesigned applications (described)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetal-stud wall cavities of interior partitions, exterior walls, or above suspended ceiling systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSound control (described)\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 (described)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMelting point in excess of 2000°F (1093°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlame spread (described)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSmoke developed (described)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResists (listed)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFire; Fungi; Moisture; Thermal; Vapor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDurability (described)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo growth of fungi; does not sustain vermin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eASTM C665\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eType I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eASTM C518 (Thermal Resistance)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eR-value at 75°F; 3.7 per inch of thickness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eASTM E84\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlame Spread 0; Smoke Developed 0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eASTM E970 (Critical Radiant Flux)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 0.12 W\/cm² (0.11 Btu\/ft²·s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eASTM C1104 (Water Vapor Sorption)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1% by weight; \u0026lt; 0.2% by volume at 120°F (49°C), 95% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eASTM C1304 (Odor Emission)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eASTM C665 (Corrosiveness)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eASTM C1338 (Fungi Resistance)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eASTM E136 (Combustion Characteristics)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePass\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 can this batt insulation be installed?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e It’s listed for installation in ceilings, floors, and walls—commonly used in metal-stud interior partitions, exterior walls, and above suspended ceiling systems.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Is it fire resistant?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Yes—it's described as noncombustible with a melting point over 2000°F, and has Flame Spread 0 and Smoke Developed 0.\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 This item covers 74.66 sq ft.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What are the batt dimensions and R-value?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Each batt is 2 in thick, 16 in wide, 48 in long, with an R-value of R-3.7.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Does it help with sound control?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Yes—it's described as improving wall assembly STC ratings by up to 10 dB.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003ch2\u003eQuiet Luxury, Built Into the Walls\u003c\/h2\u003e\n    \u003cp\u003eThink of this mineral wool batt as the invisible layer of calm that makes a space feel curated—less echo, more intimacy. Its unfaced, sculptural simplicity disappears into cavities, yet it elevates the experience with serious sound absorption and formidable fire performance. Pair it behind crisp plaster, warm wood paneling, or tailored millwork to create rooms that feel hushed and intentional. It’s the kind of behind-the-scenes essential that quietly defines luxurious living.\u003c\/p\u003e\n    \n    \u003chr\u003e\n    \u003cp\u003e\u003cstrong\u003eUpgrade your walls and ceilings with JM MinWool SAFB to add noticeable sound control and confidence-inspiring fire resistance.\u003c\/strong\u003e\u003c\/p\u003e\n    \n    \n    ","brand":"JM","offers":[{"title":"Default Title","offer_id":52533913911663,"sku":"MW216-A","price":57.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/Untitleddesign-2025-03-31T101441.887.webp?v=1766980680","url":"https:\/\/superarbor.io\/products\/jm-johns-manville-minwool-safb-sound-attenuation-fire-batt-insulation-r-3-7-2-in-x-16-in-x-48-in-unfaced-74-66-sq-ft","provider":"Super Arbor","version":"1.0","type":"link"}