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Old 03-23-2012
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Re: Acoustic Insulation for engine room?

We've used the foam/lead/foil panels with good results, but the best sound deadening we ever did (on a previous boat) was an old dentist X-ray apron draped over the block.

btw a tremendous amount of noise reduction can be achieved by isolating and eliminating vibration of locker doors, companionway steps, stove racks etc. Those kinds of rattles contribute disproportionately to the overall noise while motoring...
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