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Engine room sound reduction

Discussion in 'Post Yacht' started by Dan balmer, Dec 19, 2021.

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  1. Greg Page

    Greg Page Active Member

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    Mar 4, 2017
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    Location:
    Annapolis MD
    C7.1's , 500 HP. Re-power was done by the prior owner.
  2. Davidoc

    Davidoc Senior Member

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    Aug 29, 2005
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    Winter:Delray Beach, Fl Summer: Bahamas
    Amazing space!
  3. Alzira II

    Alzira II Member

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    Jan 22, 2019
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    Fort Lauderdale
    I did sound down in my 50. Made a big difference. My only regret is putting carpet over it.
  4. Capt Ralph

    Capt Ralph Senior Member

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    Can you expand; Putting carpet over it? Helped / hurt?
  5. Alzira II

    Alzira II Member

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    Well I did the sound down which I like despite the weight it added. I then installed new carpet and I only vaguely considered hardwood which I now regret as the carpet is starting to show stains and stuff with 3 kids.
    At the time I was just concerned with noise and I figured the carpet would help with the noise even more but I would take some noise in trade for some fake hardwood and a nice rug.

    The rep at sound down is terrific! I think you will find once you solve that problem you will find the rest of the noise comes in from the engine rooms vents which are behind the couch in the wall. A lot of noise comes in from that- I’m guessing non insulated area. Just doing the floor though i would say reduced noise in my man powered 50 by 35%
  6. Capt Ralph

    Capt Ralph Senior Member

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    I took a quick picture to show our E R access and the carpet.
    3 x 3 office floor carpet squares that we have lots of spares for. When one gets stained beyond cleaning, a new square replaces it.
    Also left room around the E R hatch to reduce wear on the squares.
    When we cruise, the 2 lifted squares are squeezed back in place and you can not see any seems.
    20220113_153940a.jpg
    T.T. and Davidoc like this.
  7. Soulstice

    Soulstice Member

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    Portsmouth, Ri
    Do you recall what thickness you used under the carpet in your 50? I am installing new carpet this spring and planning to do sound down for when we are on the hook.
  8. Alzira II

    Alzira II Member

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    I do not. I called them and whatever they said I did. Their customer service was out of this world they are very knowledgeable and passionate about their product. Lauderdale based guy.
    Soulstice likes this.
  9. rtrafford

    rtrafford Senior Member

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    Vero Beach
    I used the 1/4” 2# psf rubber mat. It’s dense and effective.