Hull Sound Deadner

pete44

pete44

Petty Officer 2nd Class
Joined
May 7, 2005
Messages
189
Getting to a stage of a crossroad..Is there anything I could use to surpress noise on my hull...Thought of a sound deadner spray (automotive) but do not know how that would apply in marine apps...Trying to stay away from foam...Any ideas welcomed!

Thanks,Pete
 
Bob_VT

Bob_VT

Moderator & Unofficial iBoats Historian
Staff member
Joined
May 19, 2001
Messages
26,022
Re: Hull Sound Deadner

Depends on the type of hull.

2 part foam, carpet or even roofing membrane could do it.
 
F

fishrdan

Admiral
Joined
Jan 25, 2008
Messages
6,989
Re: Hull Sound Deadner

Bob_VT said:
2 part foam, carpet or even roofing membrane could do it.
Click to expand...

I used all of those on my jon boat and it's very quite. Roofing membrane is heavy so don't go overboard using it.

On the sound dampner spray :eek: I've never used that product before but $16/can seems like a ripoff. I've used rubberized car undercoating for sound dampening before, $3-4/can. Only downside is the stuff is stinky until it outgasses.
 
erikgreen

erikgreen

Captain
Joined
Jan 8, 2007
Messages
3,105
Re: Hull Sound Deadner

If you coat the hull with about an inch thick layer of mortar or concrete, the noise level will go way down.

Alternatively, look up "dynamat" on google.

Essentially you want to install something that either absorbs sound like foam or acoustic tile, or blocks and reflects it. The first will be lighter.

Erik
 
F

fishrdan

Admiral
Joined
Jan 25, 2008
Messages
6,989
Re: Hull Sound Deadner

I have to ask, what exactly are you trying to accomplish with the sound dampening material? Engine noise, wave noise on hull, interior noise?
 
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