emdoub -> RE: soundproofing (12/12/2006 12:03:47 AM)
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For sound damping, the egg cartons work really well. But you're not trying to damp the sound - you wanna kill it. As in any insulation, multiple barriers are the trick. A layer of styrofoam sheet, a layer of polyurethane, a layer of cotton batting, a layer of cardboard, a layer of egg carton backs, a layer of thick tapestry - all together, probably about 1-1/2", but should stop most sounds, and look like a tapestry-covered wall. Remember what sound is - shock waves through air. If you can break those waves up, you can kill the sound. Fiberglass insulation works pretty well, too. OTOH, you can tell the neighbor that you two like noisy games on occasion, and ask them to let you know if you're too loud - it may save you a complaint if a test run doesn't go as well as it should. Midnight Writer
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