{"product_id":"johns-manville-r-13-fsk-25-faced-fiberglass-batt-insulation-16-in-x-96-in-117-33-sq-ft","title":"Johns Manville R-13 FSK-25 Faced Fiberglass Batt Insulation – 16 in x 96 in (117.33 sq ft)","description":"\u003ch1\u003eR-13 FSK faced fiberglass batt insulation\u003c\/h1\u003e\n    \u003cp\u003e\u003cstrong\u003eJohns Manville R-13 FSK-25 faced fiberglass batts deliver dependable thermal and sound performance for framed wall, floor, and ceiling cavities. The foil-scrim-kraft facing adds vapor resistance and can be left exposed where building codes permit.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003chr\u003e\n    \u003ch2\u003eKey Features:\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFSK-25 Vapor-Retarder Facing:\u003c\/strong\u003e Foil facing provides excellent vapor resistance and may be left exposed where codes permit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecut for Standard Cavities:\u003c\/strong\u003e Sized for 16 in on-center framing and 8-ft wall heights to speed installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal + Acoustic Performance:\u003c\/strong\u003e Helps reduce heat transfer while also reducing sound transmission through assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire-Resistant Facing:\u003c\/strong\u003e Rated for Flame Spread 25 or less and Smoke Developed 50 or less (per listed product data).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndoor Air Quality Focus:\u003c\/strong\u003e Formaldehyde-free and listed with GREENGUARD Gold\/SCS indoor air quality certifications (per listed product data).\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\/JM_20Fiberglass_20Manufacturers_20Fact_20Sheet.pdf?v=1766980655\" 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\u003eJohns Manville (JM)\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-13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsulation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBatt insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFiberglass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFSK-25 faced (foil-scrim-kraft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBatt Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBatt Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e96 in (8 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 1\/2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e117.33 sq ft per bag\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\u003eFire Rating (Facing)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlame Spread 25 or less; Smoke Developed 50 or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSound Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReduces sound transmission through wall, floor, and ceiling assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVapor Retarder\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFSK-25 facing serves as a vapor retarder; may be left exposed where codes permit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFit\/Framing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePrecut batts to fit standard wall cavities; designed for standard 8-ft walls with 16-in on-center stud spacing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\/Programs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSCS Recycled Content certification; GREENGUARD Gold Certified (office indoor air quality); SCS Certified (home indoor air quality); ENERGY STAR Seal and Insulate partner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaster Pack Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 per master pack\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: What framing size does a 16 in x 96 in batt fit?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e It’s precut for 16 in on-center stud\/joist cavities and 8-ft spans (96 in length).\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Can the foil (FSK) facing be left exposed?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e The FSK-25 facing may be left exposed where local building codes permit, and it also functions as a vapor retarder.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What is the coverage per bag?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e This package covers 117.33 sq ft per bag.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Is this insulation formaldehyde-free?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Yes—this Johns Manville product is listed as formaldehyde-free in the provided web product data.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Where is it typically used?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e It’s intended for wall, floor, and ceiling cavity applications in wood\/engineered wood\/steel framing (new construction or retrofit) per the provided product descriptions.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003ch2\u003eA quiet layer of luxury—performance wrapped in polished foil\u003c\/h2\u003e\n    \u003cp\u003eThere’s something undeniably refined about a home that feels calm—temperature steady, sound softened, comfort effortless. This FSK-faced fiberglass batt brings that elevated ease with a sleek foil finish that adds vapor resistance while supporting a cleaner, quieter interior. Use it behind walls and ceilings to create rooms that feel composed and cocooned, letting finishes and furnishings shine without drafts or noise. It’s the kind of behind-the-scenes essential that makes everyday living feel intentionally luxurious.\u003c\/p\u003e\n    \n    \u003chr\u003e\n    \u003cp\u003e\u003cstrong\u003eUpgrade your build with Johns Manville R-13 FSK-faced batts for efficient comfort, sound control, and code-friendly vapor resistance.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Johns Manville","offers":[{"title":"Default Title","offer_id":49006746370262,"sku":"31979109593","price":99.42,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/5244\/2838\/files\/unnamed_8fc6ecd9-16a0-4636-8dbb-ef031b130072.png?v=1783712405","url":"https:\/\/buildsupplyus.myshopify.com\/products\/johns-manville-r-13-fsk-25-faced-fiberglass-batt-insulation-16-in-x-96-in-117-33-sq-ft","provider":"Buildsupply","version":"1.0","type":"link"}