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Old 01-08-2022, 09:29 PM   #13
Jason Banks
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Join Date: Dec 1999
Location: TX
Posts: 1,670
Re: Is it some kind of spray foam?

I've seen what is described. It's not like the modern spray foams. I almost seems like some type of rubbery foam. Definitely not seam sealer. When I have seen it, you could just take your finger and rub it off. It's pretty crumbly.
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