Engine sound insulation

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FreeRadical
FreeRadical
WA
855 posts
WA, 855 posts
2 May 2013 2:57pm
Hi all,

I'm looking to make the cabin a little less noisy when under power.

Any suggestions on adhesive sound insulation? I've read good reviews about Dynamat but it is quite expensive.

Engine housing is a fibreglass forward cover and then wood paneling in the quarter berths.

Thanks.

MorningBird
MorningBird
NSW
2711 posts
NSW, 2711 posts
2 May 2013 5:14pm
I would advise to get thick professional insulation and steer clear of the thin stuff Whitworths sell. Mine is over an inch thick and is very effective, even with the engine in the middle of the cabin.
Ramona
Ramona
NSW
7757 posts
NSW, 7757 posts
2 May 2013 6:45pm
Its a pretty complex subject and I would recommend some research on line. The dynomat is really to stop panel vibration in cars. For a diesel boat engine you are looking for a barrier and panel absorbsion medium. The stuff advertised in the back of the Afloat magazine is a good start. The stuff that's about 25mm thick, foam with lead vinyl and foil. The lead vinyl is very heavy and this is why the stuff is so expensive.
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