{"product_id":"1616221-r-38-kraft-guardian-faced-fiberglass-insulation-batt-12-x-16-x-48-42-7-sf","title":"R-38 Kraft Guardian Faced Fiberglass Insulation Batt, 12\" x 16\" x 48\", 42.7 SF | Knauf Insulation","description":"\u003ch1\u003eR-38 Kraft-Faced Fiberglass Insulation Batt (12 x 16 x 48)\u003c\/h1\u003e\n    \u003cp\u003e\u003cstrong\u003eHigh R-38 fiberglass batt insulation with Guardian kraft facing for thermal performance in attics and walls. Sized 12\" x 16\" x 48\" with 42.7 sq. ft. coverage per pack, ideal for energy-efficient upgrades.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003chr\u003e\n    \u003ch2\u003eKey Features:\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency:\u003c\/strong\u003e R-38 thermal rating helps reduce heat loss and improve comfort\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVapor Retarder:\u003c\/strong\u003e Guardian kraft facing controls moisture migration in framed cavities\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Fit:\u003c\/strong\u003e Pre-cut 12\" x 16\" x 48\" batts simplify installation in standard framing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e 42.7 square feet per package for straightforward planning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrusted Brand:\u003c\/strong\u003e Made by Knauf Insulation for reliable performance\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\u003eR-Value\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eR-38\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGuardian kraft faced\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\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 in x 16 in x 48 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage per pack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e42.7 sq ft\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: Can these batts be used in attic applications?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Yes, R-38 batts are commonly used in attics and other high-R-value areas; verify cavity depth matches batt thickness.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Do I need a separate vapor barrier?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e The Guardian kraft facing serves as a vapor retarder; install with facing toward the conditioned space unless local codes specify otherwise.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: How much area does one pack cover?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Approximately 42.7 square feet per package.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Are the batts pre-cut?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Yes, they are pre-cut to 12\" x 16\" x 48\" for easier placement in framing.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Do I need special tools to install?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Basic tools like a utility knife, stapler, and protective gear are sufficient; follow local codes and manufacturer guidance.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003ch2\u003eLayered Warmth with Crisp, Clean Lines\u003c\/h2\u003e\n    \u003cp\u003eThese R-38 kraft-faced batts quietly elevate a space—bringing a cocooning warmth that supports serene, livable interiors. I love the tailored dimensions; they slip into framing with a neat, tailored edge. Pair with natural wood tones and matte paints to let the comfort take center stage. It’s an essential foundation for homes that feel richly insulated and effortlessly luxurious.\u003c\/p\u003e\n    \n    \u003chr\u003e\n    \u003cp\u003e\u003cstrong\u003eUpgrade your home’s efficiency and comfort—add these R-38 kraft-faced batts to your project today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Knauf Insulation","offers":[{"title":"Default Title","offer_id":48991804260566,"sku":"R3816KB","price":70.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/5244\/2838\/files\/p_1719981220918_fa29abd9-aae1-4446-8902-f5e24a13d2b8_R3816KB.jpg?v=1783638194","url":"https:\/\/waybilt.com\/products\/1616221-r-38-kraft-guardian-faced-fiberglass-insulation-batt-12-x-16-x-48-42-7-sf","provider":"Buildsupply","version":"1.0","type":"link"}