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Discussion Starter #1 (Edited)
As if the spray foam industry didn't already have a dubious history with urea formaldahyde foam.
Spray foam ignition
 
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Interesting read. This is the first I've ever heard of the problem. Foam is still a very expensive process and I have not used it my self.
 

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Do plumbers and electricians hate this stuff from a remodeling stand point, you would have to open every wall you needed to go through, right.
 

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Due to the combustible nature of the product, the new IBC requires all spray foam to be covered with a thermal barrier (gwb, plywood, etc.) even in attics and crawl spaces.

Josall, I don't like specifying the stuff for that reason. I can't imagine what it would cost to carve all this stuff out for some simple re-wiring.
 

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Discussion Starter #6
Due to the combustible nature of the product, the new IBC requires all spray foam to be covered with a thermal barrier (gwb, plywood, etc.) even in attics and crawl spaces.

Josall, I don't like specifying the stuff for that reason. I can't imagine what it would cost to carve all this stuff out for some simple re-wiring.
This foam ignited during the application process.
 

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Yep, just wanted to FYI that tid-bit to further that foam is combustible before installation, during installation, and after installation.
 

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When I was spraying Foam It Green up into my soffits last fall, I could feel the heat coming off the foam as it was setting up. It wasn't an intense heat, but it was toasty warm.
 
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