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01-08-2022, 08:19 AM
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#1 |
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Senior Member
 Join Date: Jan 2021
Location: Saint Cloud, Minnesota
Posts: 522
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Is it spray foam?
I have a question for everyone, what is that substance that is on the inside of the cab corner. It looks like some kind of spray styrofoam? Thanks Chuck
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01-08-2022, 01:47 PM
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#2 |
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BlahBlahBlah
Join Date: Feb 2002
Location: Monroe, Wa.
Posts: 19,769
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Re: Is it spray foam?
Cab corners should be bare down in that pocket. Spray foam was someone attempt to cover rust or try to prevent rust
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… … … … … … … … ... … … … … … … … … … … … Monroe Swap meet May 18-19. Mike has the same spots for the NW guys he's had forever. Lunch time BBQ at the spaces. If you have stuff to sell bring it along. If you have a question PM stllookn (Mike) here via the board. https://67-72chevytrucks.com/vboard/...d.php?t=851291 |
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01-08-2022, 07:14 PM
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#3 |
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Registered User
Join Date: Oct 2015
Location: PNW
Posts: 3,498
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Re: Is it spray foam?
It may have been an attempt to sound or thermally insulate the cab. But as CG alludes to, it is a rust issue. It will trap moisture. So getting rid of it is a good idea.
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