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Old 01-20-2021, 11:45 AM
FrankHS FrankHS is offline
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Join Date: Jul 2010
Posts: 477
Default Room treatment material

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?
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