Johns Manville R 15 Kraft Faced Fiberglass Batt Insulation, 15 in x 93 in, 67.81 sq ft Coverage (K1262S) Bi Metal Saw Blade mineral tones Specification Details Material Ceramic mineral tones this tool transforms routine tasks into effortless endeavors These kraft faced batts slip into 2x4 walls like a tailored suit 2857 Stud Spacing 16 in OC Framing Type Wood studs For Use in Walls Yes For Use in Basements Yes For Use in Attics No For Use in Ceilings No For Use in Crawlspaces No For Use in Floors No For Use in Doors No For Use in Duct No For Use in Electrical No For Use in Garage Doors No For Use in Masonry No For Use in Plumbing No For Use in Vents No For Use in Windows No Formaldehyde Free Yes Sound Barrier Yes Vapor Retardant Yes (kraft) ENERGY STAR Certified Yes (program partner) GREENGUARD Gold Certified Yes SCS Recycled Content Certified Warranty 1 year limited Package Type Multi pack Package Count 7 pieces Total Package Quantity 35 Multi Pack Quantity 5 Bag Dimensions (L x W x D) 20 x 20 x 50 UNSPSC 11162400 Fits 2 x 4 Walls Yes Fits 2 x 6 Walls No Maximum R Value 15 Weight 32