For roof/ceiling and interior/exterior wall applications Installed in wood or metal framing cavities or between furring channels. Flexible fiber glass insulation. Size Sq/Ft Per Bag Batts Per Bag IRN 2.5 in. x 16 in. x 96 in. 213.33 20 M39Q 2.5 in. x 24 in. x 96 in. 320 20 M40 FEATURES & BENEFITS 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. Inorganic. Non-corrosive to steel, aluminum or copper. Dimensionally stable and will not decay or slump in the cavity. R-Value: R-8
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