Quote:
Originally Posted by FrankHS
Seems everyone recommends Owens Corning 703 for homemade standalone noise catchers. I have an extra mattress topper of "high density memory foam." 77×76, 3" thick. Cut up and mounted in wood frames, would this stuff work "pretty well" ? I figure "low density" would be better (bigger holes.) Nevertheless, worth the construction effort?
Thanks.
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No, you want high density. 'Holes' let the sound go through (and then bounce off whatever is behind them)..