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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.