By breaking the path of sound vibration and absorbing noise, NoiseReducer fiberglass batts can help add four to 12 points to a wood stud construction’s Sound Transmission Class rating, the company says. Each batt is 3 1/2 inches thick, 93 inches long, and 15 or 23 inches wide. The product is kraft-faced with tabs to facilitate interior wall attachment.
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PB Topical Ref
