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by mgborkoski
Tue Jan 22, 2019 8:46 pm
Forum: Interior
Topic: XPS inside and outside?
Replies: 1
Views: 52

XPS inside and outside?

I have a concrete block basement. One wall was excavated, straightened and reinforced with 2"x3" steel beams. I believe the outside has 2" xps. I'm not sure if it goes all the way down, but I can see it at the top. Is it OK to put 2" xps on the inside, if it also on the outside? If I can use xps ins...