Keep your attic well-insulated and cut energy costs all year round with the help of 15 inch x 25’L. R30. 31.25-sq ft Unfaced Owens Corning Insulation. It features Eco-Touch pure fiber technology and is easy to install. It comes on a roll and can be easily cut down to size to accommodate your attic. Owens insulation is made with natural materials. is formaldehyde-free and is indoor air quality-certified by Greenguard so you can use it with confidence. Age Group: adult.Sized for metal or wood framing.Can be stapled or friction-fit.Easy to handle and install.Trim and fabricate with a utility knife.Meets thermal specifi cations.Improves interior noise control.Non-corrosive to steel. aluminum or copper.Dimensionally stable and will not decay or slump in the cavity.