HELP! Foam Insulation Removal Hell - Fiberglass RV

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Old 06-19-2013, 08:23 AM   #1
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Name: Dan
Trailer: Boler
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HELP! Foam Insulation Removal Hell

I foolishly rushed into stripping some nasty foam insulation off my 1973 Boler ceiling and found it is really hard to get it off. Tried Goof Off, wire scrubber, WD40, Glue Be Gone, heat gun, and paint scraper. Nothing seems to work.

Any ideas?

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Old 06-19-2013, 09:45 AM   #2
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Name: Dave W
Trailer: Trillium 4500 - 1977, 1978 (2), 1300 - 1977, 1973, and a 1972
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Dan, I have heard that a wire brush on a drill works good. It will however erode the fibreglass if you stay on the same spot too long.

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Old 06-19-2013, 01:06 PM   #3
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I used a composite "wire" wheel from menards to take upholstery glue off of mine. It would still damage fiberglass, but not easily.
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Old 06-19-2013, 04:58 PM   #4
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Ouch Dan! Don't know but good luck.
“I have tried to live my life so that my family would love me and my friends would respect me. The others can do whatever the Hell they please!” —John Wayne
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Old 06-19-2013, 07:03 PM   #5
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I'm sorry, truly. I've read where a BRASS wire wheel is a bit more forgiving. And the secret is to continually move the wheel. It may mean going over the same area many times, but that beats not moving the wheel and bringing the fiberglass fibers out of the resin.

It's also about expectations. Are you going to paint the raw fiberglass, or put something over the top? More layers on the interior are more forgiving. Reflectix and rat fur, or ensolite?
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Old 06-20-2013, 07:41 AM   #6
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Trailer: 1979 Scamp 16- side bath
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As Jared suggested, a "composite" wheel for rust/paint removal is much less aggressive than a wire wheel. I used one to remove the glue residue under my dinette benches and front bunk before gluing down reflectix in those places.
3m makes some, found 'em at Advance Auto Parts.

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