Forums › General Discussion › engine sound proofing insulation

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    • #68620
      joe shimkonis
      Participant

      I just removed the sound proofing insulation with vinyl/foam between 2 layers of fire retardant shiney outer layers.I guess with age the foam has deteriorated and now scatters all over the engine compartment -little black flakes.
      Is there anything out there that is better for a replacement.Is the sound proofing really that effective- would appreciate some thoughts and comments.
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      Joe Shimkonis

    • #78793
      Hull152_Patrick
      Spectator

      I gotta post for that!

      http://deepplaya.com/engine-sound-proofing/

      -p

      Sent from my Land Yacht

      On Sep 21, 2012, at 2:12 PM, joe shimkonis wrote:

      I just removed the sound proofing insulation with vinyl/foam between 2
      layers of fire retardant shiney outer layers.I guess with age the foam has
      deteriorated and now scatters all over the engine compartment -little black
      flakes.
      Is there anything out there that is better for a replacement.Is the sound
      proofing really that effective- would appreciate some thoughts and comments.
      _______________________________________________
      maillist mailing list

      https://pearson424.org/mailman/listinfo/maillist_pearson424.org
      _______________________________________________
      maillist mailing list

      https://pearson424.org/mailman/listinfo/maillist_pearson424.org

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      Owners no more...
      Thanks Dawn and Patrick!

    • #78794
      petedd
      Participant

      Joe,

      I did an analytic evaluation of sound insulation in an installation on
      my 424 several years ago which ran in Blue Water Sailing. I used the
      sound insulation from Sailors’ Solutions which comes in 12″ square
      self-adhesive pieces. The “foil” is a very thick material unlike the
      junk on most boats that looks like a think tin foil. The foam itself is
      also made of layers of different densities that absorb the sound in
      different frequency ranges so you get more optimal sound damping. It
      is important that you actually enclose or separate the engine
      compartment from the cabin. One key element of this was closing off the
      “chimney” that goes up the aft bulkhead of the cabin over the engine.
      Also, you want a good seal between the top of the dog house and the
      sides. I used some stainless steel bent in a “z” shape to cover the top
      edge of the insulation on the sides – this protects the edge of the foam
      and then the foam on the dog house top sets down on this stainless and
      forms a nice seal.

      Bottom line: definitely worth it with this particular insulation.
      Pete

      On 9/21/2012 12:12 PM, joe shimkonis wrote:

      I just removed the sound proofing insulation with vinyl/foam between 2 layers of fire retardant shiney outer layers.I guess with age the foam has deteriorated and now scatters all over the engine compartment -little black flakes.
      Is there anything out there that is better for a replacement.Is the sound proofing really that effective- would appreciate some thoughts and comments.
      _______________________________________________
      maillist mailing list

      https://pearson424.org/mailman/listinfo/maillist_pearson424.org

      _______________________________________________
      maillist mailing list

      https://pearson424.org/mailman/listinfo/maillist_pearson424.org

      Post generated from Pearson424 Forum using Mail2Forum

    • #78795
      petedd
      Participant

      Here is a picture of my new engine enclosure with that new insulation.
      (The stainless “z” had not yet been installed when this was taken).
      This “dog house”, as you can see has a separate top that hinges up and a
      front that hinges down to the sole. Also the sides are on hinges. All
      are of the quick removal type so you can stack the four panels out of
      the way if you need to work on the engine in any major way. Also, there
      is a door in the top to access the dip stick and do some visual
      inspection without having to take stuff off the top of the dog house.
      More details in the “ten wishes” article here:
      http://www.dublerfamily.com/Regina_oceani/Regina_Oceani.html

      Pete

      On 9/21/2012 12:23 PM, Peaboy Walters wrote:

      I gotta post for that!

      http://deepplaya.com/engine-sound-proofing/

      -p

      Sent from my Land Yacht

      On Sep 21, 2012, at 2:12 PM, joe shimkonis wrote:

      I just removed the sound proofing insulation with vinyl/foam between 2
      layers of fire retardant shiney outer layers.I guess with age the foam has
      deteriorated and now scatters all over the engine compartment -little black
      flakes.
      Is there anything out there that is better for a replacement.Is the sound
      proofing really that effective- would appreciate some thoughts and comments.
      _______________________________________________
      maillist mailing list

      https://pearson424.org/mailman/listinfo/maillist_pearson424.org
      _______________________________________________
      maillist mailing list

      https://pearson424.org/mailman/listinfo/maillist_pearson424.org

      _______________________________________________
      maillist mailing list

      https://pearson424.org/mailman/listinfo/maillist_pearson424.org

      Post generated from Pearson424 Forum using Mail2Forum

    • #78796
      Anonymous

      West marine sells a 1 in and (1 1/2 inch or 2 inch) thick sheets of sound proofing with hardware for mounting. Material is similar to the deepplaya.com material.

      S


      Original Message


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    • #78797
      john stevenson
      Participant

      I also used the sound proof tiles from Sailor’s Solutions. Much easier to
      work with than rolls of foam commonly used. As they advertise the adhesive
      is very aggressive, no need for mechanical fasteners, although that is
      still an option. I’ve only sound proofed the engine box cover, not the
      area aft of the cover. Since the engine area is open to the bilge you will
      never completely quiet the noise, but the Sailor’s Solution stuff works
      great.
      Like Pete, I rebuilt the engine box cover so I could break it down into
      four flat pieces: http://www.svsarah.com/Sarah/ewEngineBox.htm

      Regards,
      John Stevenson
      http://www.svsarah.com

      On Fri, Sep 21, 2012 at 2:54 PM, Steven Weinberg, Ph.D.
      wrote:

      Quote:
      West marine sells a 1 in and (1 1/2 inch or 2 inch) thick sheets of sound
      proofing with hardware for mounting. Material is similar to the
      deepplaya.com material.

      S


      Original Message


      Post generated from Pearson424 Forum using Mail2Forum

    • #78798
      petedd
      Participant

      Indeed, it was John’s design of the dog house that inspired me.
      Imitation is the sincerest form of flattery.

      Pete

      On 9/21/2012 3:37 PM, John Stevenson wrote:

      Quote:
      I also used the sound proof tiles from Sailor’s Solutions. Much easier to
      work with than rolls of foam commonly used. As they advertise the adhesive
      is very aggressive, no need for mechanical fasteners, although that is
      still an option. I’ve only sound proofed the engine box cover, not the
      area aft of the cover. Since the engine area is open to the bilge you will
      never completely quiet the noise, but the Sailor’s Solution stuff works
      great.
      Like Pete, I rebuilt the engine box cover so I could break it down into
      four flat pieces: http://www.svsarah.com/Sarah/ewEngineBox.htm

      Regards,
      John Stevenson
      http://www.svsarah.com

      On Fri, Sep 21, 2012 at 2:54 PM, Steven Weinberg, Ph.D.
      wrote:

      Quote:
      West marine sells a 1 in and (1 1/2 inch or 2 inch) thick sheets of sound
      proofing with hardware for mounting. Material is similar to the
      deepplaya.com material.

      S


      Original Message


      Post generated from Pearson424 Forum using Mail2Forum

    • #78799
      Phil Fontaine
      Participant

      I also used the Sailors’ Solutions 12″ squares and did all four sides of the
      engine box plus the back panel above the box. I found the squares easy to
      work with and so far the adhesive and the material of the squares have held
      up welll (three and a half years). I had pulled out the crumbling old stuff
      a couple of years before undertaking the project so I did experience a
      definite improvement in sound level. As others hae noted, however, the
      engine compartment is still open to the bilge so one should not expect
      miracles.
      Phil Fontaine


      Original Message


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    • #78800
      madsailor
      Moderator

      Yes, you need sound proofing. I used the stuff from sailorssolutions.com.
      it works great. Don’t forget to do sides and panel above engine hatch.

      Bob

      I’m not being terse. This is from my mobile.
      On Sep 21, 2012 2:12 PM, “joe shimkonis” wrote:

      I just removed the sound proofing insulation with vinyl/foam between 2
      layers of fire retardant shiney outer layers.I guess with age the foam has
      deteriorated and now scatters all over the engine compartment -little black
      flakes.
      Is there anything out there that is better for a replacement.Is the sound
      proofing really that effective- would appreciate some thoughts and comments.
      _______________________________________________
      maillist mailing list

      https://pearson424.org/mailman/listinfo/maillist_pearson424.org

      _______________________________________________
      maillist mailing list

      https://pearson424.org/mailman/listinfo/maillist_pearson424.org

      Post generated from Pearson424 Forum using Mail2Forum

    • #78809
      Chuck Ruble
      Participant

      Soundown is the product we commonly use. Comes in sheets and I think in a couple different configurations. Make sure you order a mounting kit.

      Chuck

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