Quiet Barrier™ HD Soundproofing Material (Sheet ...
2021-7-9 · One of our most popular and most powerful soundproofing solutions, the Quiet Barrier™ HD Soundproofing Material sheet is a 1/4-inch thick, 2 lb/sq ft 4×8 sheet of high-density, non-porous material that is superior at blocking sound. Each sheet covers 32 square feet of surface area, so it is simple to cover areas large and small.
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