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Old 11-08-2017, 17:03   #1
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Engine compartment insulation

The glue holding the insulation around my engine compartment is failing. Ideas on the best material to use as replacement insulation, glue to hold it on well, and cleaning process/product for removing old material? It's an IP380 in case that question comes up. The thanks in advance for advice.
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Old 11-08-2017, 17:49   #2
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Re: Engine compartment insulation

Check out "Soundown". They should be able to answer your questions.
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Old 12-08-2017, 00:24   #3
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Re: Engine compartment insulation

Sundowns own words on this :

Typically we (Soundown) recommend the use of mechanical fasteners (pins or screws and washers) as well as adhesive. This is especially important with insulation materials that include a mass layer (vinyl or lead) as the weight of that mass layer will try to tear either the bond or foam over time. If you have insulation without a mass layer just adhesive will probably be fine.

Reattaching old insulation can be tough for a few reasons. The first of these is that there is probably a layer of old adhesive with some foam still attached to the surface. This does not provide a good bonding surface and needs to be thoroughly cleaned before reattaching.
The second issue is the foam that was previously attached has probably started to breakdown and may not have enough strength left to hold the material up. This often results in creating a new layer of glue and foam that has to be cleaned before something else can be installed.

Before trying to reattach the insulation run your hand over the surface that will be bonded to the hull. If you have small pieces of foam breaking off or are creating foam dust when you do this I would strongly recommend replacing the insulation. For the amount of time it takes to clean and prep the surface it is nice to you that you will end up with a solution that will stay in place and perform as expected.

Steve
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Old 12-08-2017, 03:57   #4
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Re: Engine compartment insulation

Quote:
Originally Posted by DeepFrz View Post
Check out "Soundown". They should be able to answer your questions.
Thanks.
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Old 12-08-2017, 05:57   #5
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Re: Engine compartment insulation

Check out sailor solutions, they have stick in panels. If you go to our blog, we have a writeup on doing ours. Links should there too.
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Old 12-08-2017, 17:34   #6
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Re: Engine compartment insulation

Thanks! Great info!
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Old 14-08-2017, 10:13   #7
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Re: Engine compartment insulation

If your insulation is crumbling at all, replace it ASAP. I had old insulation on the walls with lots of cutouts for hoses and wires. Brand new SOundown on "ceiling". It was one of those, I'll get to it later projects.

The original insulation gave up and crumbled into powder which got sucked into engine intake, completely clogging filter and breaking it. My engine inhaled a piece of filter during spring commissioning and required extensive surgery and a machine shop valve job to return to running condition.

I left walls bare after scraping and shop vacuuming. Plan to use the 12" square tiles from sailor solutions since I have so many cutouts for piping, hoses and it seems like it's easier to fit the smaller squares.
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