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Re: Polyurethane foam insulation
If you do remove some put a lighter, or blowtorch, to it and see how well it burns
If it really is non-combustible under normal circumstances maybe you'll want to keep it. If it bursts into flame with thick black smoke maybe not..
Lol, yes I was going to do that, is pretty easy to cut out a piece. I just wrote to touch and foam too, to ask about the fire risk. I doubled check the product and it's the sealant variety.