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Old 03-23-2019, 10:08 PM   #23
BentleyRussell40
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Join Date: Oct 2017
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Re: Best Sound Proofing Material?

Use carpet underlay to absorb sound, it's super cheap. IF you are trying to change the resonant frequency of metal panels, anything you can stick to them to add mass will do the trick. Don't spend a fortune on stuff like dynamat, go to home depot.
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