{"product_id":"johns-manville-r-38-kraft-faced-fiberglass-batt-insulation-24-in-w-x-48-in-l-72-sq-ft-9-pack","title":"Johns Manville R-38 Kraft-Faced Fiberglass Batt Insulation, 24-in W x 48-in L, 72-sq ft (9-Pack)","description":"\n    \u003ch1\u003eR-38 Kraft-Faced Fiberglass Batt Insulation (72-sq ft)\u003c\/h1\u003e\n    \u003cp\u003e\u003cstrong\u003eThis kraft-faced fiberglass batt insulation delivers R-38 thermal performance with a built-in vapor retarder to help manage moisture in attics, ceilings, and floors. Pre-cut 24-in x 48-in batts fit 24-in on-center framing for easier installation while also helping reduce sound transmission.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003chr\u003e\n    \u003ch2\u003eKey Features:\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigh R-Value Performance:\u003c\/strong\u003e R-38 batts help reduce heat loss and improve overall energy efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Vapor Retarder:\u003c\/strong\u003e Kraft facing provides moisture control for wood-framed attics, ceilings, and floors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for 24-in O.C. Framing:\u003c\/strong\u003e Pre-cut 24-in x 48-in batts are designed to press-fit between standard 24-in on-center joists.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound Control:\u003c\/strong\u003e Fiberglass batts provide sound-dampening benefits to help reduce noise transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Noncorrosive Material:\u003c\/strong\u003e Won’t rot, mildew, or deteriorate; noncorrosive to pipes, wiring, and metal studs.\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\u003eInsulation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFiberglass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum R-Value\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e38\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\u003e3.1667\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFaced\/Unfaced\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKraft faced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVapor Retardant\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSound Barrier\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFormaldehyde Free\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGREENGUARD Gold Certified\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eENERGY STAR Certified\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage Area (Sq. Feet)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e72\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth (Inches)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength (Inches)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThickness (Inches)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStud Spacing (Inches)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndividual pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Package Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Weight (lbs.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e39.23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBag Dimensions (L x W x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24.5 x 20 x 49\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Use in Attics\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Use in Ceilings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Use in Floors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Use in Walls\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Use in Basements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Use in Crawlspaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Use in Doors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Use in Duct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Use in Electrical\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Use in Garage Doors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Use in Masonry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Use in Plumbing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Use in Vents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Use in Windows\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFits 2 x 4 Walls\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFits 2 x 6 Walls\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCA Residents: Prop 65 Warning(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUNSPSC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11162400\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 used?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e It’s intended for wood-framed attics, ceilings, and floors (not for walls, basements, or crawlspaces per listed use cases).\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Does the kraft facing act as a vapor barrier?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Yes—this product is kraft-faced and lists a vapor retardant for moisture control.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Will it fit 24-in on-center framing?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Yes—batts are 24 in wide and pre-cut to 48 in length for 24-in on-center joist spacing.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: How is it installed?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Press-fit between framing members; staple facing tabs to joists if additional securement is needed.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Is it formaldehyde-free and does it offer indoor air quality certifications?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e It is listed as formaldehyde free and GREENGUARD Gold Certified.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003ch2\u003eQuiet warmth, beautifully considered.\u003c\/h2\u003e\n    \u003cp\u003eThere’s a kind of luxury that’s felt, not seen—spaces that hold warmth effortlessly and hush the noise of the world. These kraft-faced R-38 fiberglass batts bring that invisible polish, pairing serious thermal performance with a built-in vapor retarder for thoughtful moisture control. Tuck them into 24-in on-center attic, ceiling, or floor cavities to create a calmer, more comfortable envelope throughout the home. It’s the foundational layer that makes every finish above it feel more intentional—true comfort, elevated.\u003c\/p\u003e\n    \n    \u003chr\u003e\n    \u003cp\u003e\u003cstrong\u003eUpgrade your home’s comfort and quiet with R-38 kraft-faced batts sized for fast installation in 24-in on-center framing.\u003c\/strong\u003e\u003c\/p\u003e\n    \n    \n    ","brand":"JM","offers":[{"title":"Default Title","offer_id":52533914141039,"sku":"31979133604","price":518.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/42236465.jpg?v=1766980681","url":"https:\/\/superarbor.io\/products\/johns-manville-r-38-kraft-faced-fiberglass-batt-insulation-24-in-w-x-48-in-l-72-sq-ft-9-pack","provider":"Super Arbor","version":"1.0","type":"link"}