{"product_id":"certainteed-r-38c-kraft-faced-fiberglass-batt-insulation-15-in-x-48-in-35-sq-ft","title":"CertainTeed R-38C Kraft-Faced Fiberglass Batt Insulation, 15 in x 48 in, 35 sq-ft","description":"\u003ch1\u003eR-38C Kraft-Faced Fiberglass Batt Insulation (35 sq-ft)\u003c\/h1\u003e\n    \u003cp\u003e\u003cstrong\u003eCertainTeed R-38C kraft-faced fiberglass batt insulation is designed to improve thermal performance and help reduce energy costs in framed cavities. Pre-sized batts make installation straightforward while the kraft facing acts as an integrated vapor retarder for appropriate applications.\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-38C fiberglass batt helps reduce heat transfer for improved comfort and energy efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKraft-Faced Vapor Retarder:\u003c\/strong\u003e Integrated kraft facing supports moisture control in suitable wall\/ceiling applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSized for Framing Cavities:\u003c\/strong\u003e Made to fit common wood or metal framing for consistent coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e Can be stapled in place or friction-fit depending on your assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise-Reducing Benefit:\u003c\/strong\u003e Fiberglass construction helps improve interior sound control versus uninsulated cavities.\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\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCertainTeed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsulation type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFiberglass batt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKraft faced\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-38C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct dimensions (W x L)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 in x 48 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage per bag\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35 sq-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 batts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e901565\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 area does one bag cover?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e One bag covers 35 sq ft.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Is this insulation faced or unfaced?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e It is kraft-faced (faced) fiberglass batt insulation.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What framing size is it intended for?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e It is sized for common metal or wood framing cavities; verify cavity depth and width against the product dimensions before purchase.\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 It can be installed by friction-fit in the cavity or stapled (where appropriate) using the facing flanges.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003ch2\u003eQuiet warmth, beautifully concealed.\u003c\/h2\u003e\n    \u003cp\u003eGreat interiors begin with what you don’t see—comfort that feels effortless. This kraft-faced R-38C fiberglass batt turns attics and framed cavities into a calmer, more temperature-stable envelope, helping rooms feel serene in every season. The pre-sized format brings a tailored, architectural order to the build—clean lines, consistent coverage. Consider it the invisible luxury that lets every finish, fabric, and fixture shine without distraction.\u003c\/p\u003e\n    \n    \u003chr\u003e\n    \u003cp\u003e\u003cstrong\u003eUpgrade your envelope with CertainTeed R-38C kraft-faced batts for more consistent comfort and lower energy waste.\u003c\/strong\u003e\u003c\/p\u003e","brand":"CertainTeed","offers":[{"title":"Default Title","offer_id":49006747222230,"sku":"42919921311","price":337.84,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/5244\/2838\/files\/d173dff6839fd7940502d3cdb280352791651f3d_r38.jpg?v=1783712406","url":"https:\/\/buildsupplyus.myshopify.com\/products\/certainteed-r-38c-kraft-faced-fiberglass-batt-insulation-15-in-x-48-in-35-sq-ft","provider":"Buildsupply","version":"1.0","type":"link"}