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Old 01-20-2021, 01:10 PM
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KevWind KevWind is offline
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Join Date: Apr 2008
Location: Edge of Wilderness Wyoming
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Originally Posted by FrankHS View Post
Seems everyone recommends Owens Corning 703 for homemade standalone noise catchers. I have an extra mattress topper of "high density memory foam." 7776, 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?
"Work pretty well" is kinda subjective. But it does work to some extent, to tame some high frequency zing is about all it does.
Even thought it has been highly promoted as room treatment. IMO foam is the least desirable kind of wide band treatment. And no low density foam will not work better, probably work less well
As others have noted if you're going to the trouble to build wood frames why not just get some Corning 703 , or Roxul Safe and Sound
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