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Author Topic: Heat Insulation  (Read 2515 times)

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SPembleton

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Heat Insulation
« on: July 11, 2014, 10:27:46 AM »

The heat insulation around my Universal 25 is breaking down and getting pretty messy. I pulled all of the old insulation out and now ready to reinstall. Does anyone have any recommendations as to what type or brand to use? What characteristics should I look for. Any other feedback?
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Steve Pembleton
Holland, MI
1986 Mk1 Fin, Tall

"We cannot direct the wind, but we can adjust our sails."

karista

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Re: Heat Insulation
« Reply #1 on: July 11, 2014, 11:20:35 AM »

I just did this job and after some research, I used the Soundown Foam Panel 1"thkX32"Wx54"L from Defender (Item#301134) about $78.
This will be enough to do the entire enclosure, plus the inside of both access doors but not enough to do the underside of slide on cover.
I re-used the existing washers and screws and used no adhesive. This is a very dense and heavy foil backed foam and can easily be cut to your specific sizes. I used my old insulation as a template to cut the new material.
For the underside of the slide on cover I used 1/2"thk adhesive backed foil insulation foam available at auto part stores.
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Bernd, 1990- Hull 1012, Tierra Verde, Fl

Ron Hill

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Re: Heat Insulation
« Reply #2 on: July 11, 2014, 01:08:41 PM »

Steve : if you look in WiKi, Projects or Mainsheet tech notes - you'll find that I wrote an article with pictures on replacing that sound proofing/insulation!!  Think I suggested using 1 1/4" from Defender.

What I may not have said was that it is best way to cut it to size (use the old for a pattern if you can) is that it is easily clean cut with a band saw.



« Last Edit: July 20, 2014, 02:38:35 PM by Ron Hill »
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lazybone

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Re: Heat Insulation
« Reply #3 on: July 11, 2014, 01:17:23 PM »

It makes a lot of sense to remove the crumbling insulation.  If the engine intake filter hasn't been upgraded that crap can easily get sucked into the engine.
Every vendor sells a 1" insulation which is made up of two layers of foam separated by a plastic/metal layer in between.  It is much heavier than the plain all foam ones and seams to be a better solution.

I have a decibel meter but forgot too take before and after readings so Its all just an opinion.

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Ciao tutti


S/V LAZYBONES  #677

SPembleton

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Re: Heat Insulation
« Reply #4 on: July 12, 2014, 02:37:04 PM »

Thank you all for your suggestions. I will be purchasing the 1" material from Defender.

BTW: I did search on line but ciuldn't find anything.  Im
 am on my tablet and so could not search the CD. I will check Ron's article before I install.
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Steve Pembleton
Holland, MI
1986 Mk1 Fin, Tall

"We cannot direct the wind, but we can adjust our sails."
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