Product details:

The Owens Corning R-21 Un-Faced Batts are flexible fiberglass insulation batts that are used for roof/ceiling and interior/exterior wall applications. They're installed in wood or metal framing cavities or between furring channels. Size Sq Ft/Pack Batts Per Bag IRN Application 5.5 in. x 15 in. x 93 in. 77.5 8 U89B Wood 5.5 in. x 15 in. x 105 in. 87.5 8 K27 Wood 5.5 in. x 15.25 in. x 93 in. 68.94 7 BU107 Wood 5.5 in. x 23 in. x 93 in. 89.13 6 U69A Wood 5.5 in. x 23.25 in. x 93 in. 90.09 6 BU112 Wood 6 in. x 16 in. x 96 in. 74.69 7 BU104 Metal 6 in. x 24 in. x 96 in. Can be stapled or friction-fit. Easy to handle and install. Trim and fabricate with a utility knife. Meets thermal specifications. Improves interior noise control. Inorganic. Non-corrosive to steel, aluminum or copper. Dimensionally stable and will not decay or slump in the cavity.

• 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 specifications.
• Improves interior noise control.
• Non-corrosive to steel, aluminum or copper.
• Dimensionally stable and will not decay or slump in the cavity.