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jarvinen_gw

Sealing seems/gaps between XPS insulation

jarvinen
13 years ago

I'm insulating our basement with 2" XPS. What should I be sealing the seams with before taping? Some really don't have any gap, but some have a tiny sliver of space. Also we have 9' walls and there are some larger gaps between the full sheets and the piece I had to cut to cover the top. Should I go with spray foam in those spots before taping?

Thanks.

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