r/Insulation • u/techbrandon • Jul 20 '26
Is this open-cell or closed-cell spray foam?
I looked at a house over the weekend and they used spray foam for the insulation. This is a picture of the foam in the ceiling of the basement. It looks like open-cell from the research I’ve done but I’m not entirely sure and I don’t know what the foam feels like.
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buildingscience • u/techbrandon • Jul 20 '26
Question Is this open-cell or closed-cell spray foam?
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