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Old 08-04-2011
shogan50 shogan50 is offline
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The latter works by absorption, generally in the higher frequency ranges, the former more as a barrier in lower frequency. As a point of reference, I installed something similar to the foam, (1.5" noise attenuating ceiling tile), in my Islander 30 and could perceive no change in noise level. I fear in my case that the noise is getting transmitted right through the beds to the hull. If you install something, be please let us know how it worked out.
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