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In Reply to: RE: Do bass waves go through plastic? posted by amdan on October 17, 2009 at 03:08:50
Not only does thin plastic wrap not block bass, it actually makes the fiberglass inside absorb more. This article shows test results of plain and FRK type rigid fiberglass:
Density Report
The FRK is a paper barrier, not plastic, but the principle is the same.
--Ethan
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