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Re: New spray foam
Lil_Ed #570012 June 21st 2012 8:07 am
Joined: Sep 2005
Posts: 9,855
Likes: 234
carpal tunnel
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carpal tunnel
Joined: Sep 2005
Posts: 9,855
Likes: 234
Originally Posted by Lil_Ed
The moisture is the problem, the van will rust from the inside out.


Bandvan is right too! The Paint or coating is compromised by the chemicals and then moisture (condensation) is trapped against the metal. Bad News!!
I have seen equipment (refrigerated boxes, etc.) that were wrapped and then coated. The wrap acted as a moisture/chemical barrier.

Re: New spray foam
maples01 #570040 June 21st 2012 9:19 am
Joined: Apr 2003
Posts: 7,662
Likes: 2
W
carpal tunnel
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carpal tunnel
W
Joined: Apr 2003
Posts: 7,662
Likes: 2
They used this stuff to insulate reefer trailers.
IF you get a leak this stuff acts like a GIANT sponge.
When I worked at Warner freuhauf a trailer dealer in Baltimore.
We had to remove a bunch of floors because the aluminum floors cracked from the flexing from the weight of the tow motors unloading the product(frozen chickens)
The smell of the foam saturated with nasty water was terrible.

I also have a part here that was treated with this JUNK and it came from a van that was bought and junked because of rust issues.Even the part I have here has rust in places I have NEVER seen a Chevy rust......

....wookee


Its a "Van Thing"
A life style you have to LIVE to understand!

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Re: New spray foam
maples01 #570057 June 21st 2012 11:03 am
Joined: Jul 2011
Posts: 969
Likes: 1
old hand
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old hand
Joined: Jul 2011
Posts: 969
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I like the concept of the foam as insulation probably best used in dry climates. But if you're going to do something like this to your rig why not use "great stuff"? Its practically the same thing. Personally ill stick with the sound barrier stuff for insulation and proper exterior rv paint. What's the weight of the foam stuff vs the insulation they make for cars? After spraying this crap, you'd waste a good portion of it cutting it out after it expands and dries. Just to get a flat and flush area to work with to put up paneling and carpeting what have you. Good concept/idea but too many issues can arise.


Gone vannin' I'll call you later.
Re: New spray foam
maples01 #570635 June 25th 2012 3:11 am
Joined: Oct 2002
Posts: 3,601
Likes: 10
pooh-bah
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pooh-bah
Joined: Oct 2002
Posts: 3,601
Likes: 10
Just curious for areas I can't reach, the phone company has used expanding foam for years in their cabinets, never heard anything negative there.

Re: New spray foam
maples01 #576302 July 27th 2012 8:44 pm
Joined: Nov 2008
Posts: 398
M
enthusiast
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enthusiast
M
Joined: Nov 2008
Posts: 398
catfish is right ,seen it two lets weld in a patch pannel i smell smoke.

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