Owens Corning Thermafiber UltraBatt R 15 3.5" x 15" x 47" Storage Organization Hooks Sturdy handle guard prevents contact Sturdy handle guard prevents contact with the trapped animal Soft Close Door Hinges Q: Is Owens Corning Thermafiber UltraBatt R 15 formaldehyde free 5 inches Length 47 inches Width 15 inches Features Faced Unfaced Unfaced For Use in Walls Yes Fits 2 x 4 Walls Yes For Use in Windows No Fits 2 x 6 Walls No Formaldehyde Free No For Use in Attics No Framing Type Wood studs For Use in Basements No Insulation Type Mineral wool For Use in Ceilings Yes Maximum R Value 15 For Use in Crawlspaces No Multi Pack Quantity N A For Use in Doors No Package Count 1 For Use in Duct No Package Type Multi pack For Use in Electrical No Pallet Quantity N A For Use in Floors Yes R Value per Inch 15 For Use in Garage Doors No Sound Barrier No For Use in Masonry No Stud Spacing 16 inches For Use in Plumbing No Total Package Quantity 6 For Use in Vents No Vapor Retardant No Warranty Warranty 3 year limited Frequently Asked Questions (FAQ)