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XPS in rim joist

Posted by jimbo22s (My Page) on
Mon, Oct 26, 09 at 12:21

I glued 2" XPS in the rim joist but had some XPS left over so I glued 2" more on top of that for a total of 4". Is that OK? Will that hurt anything?

Follow-Up Postings:

RE: XPS in rim joist

Will that hurt anything?
Your fuel supplier's revenues. (Perfectly fine.)

RE: XPS in rim joist

Hey worthy,

An area of our basement has rim joists that abutt our garage on one long side, a 3 season room on the other long side and is essentially exposed to outside on the short side. (The 4th side of this area opens to another part of the basement.

I will put the XPS for sure on the side part that is exposed to the outside elements. Am I gaining much of anything buy adding the XPS to the garage and 3 season room sides. These are eseentially under ground, no wind no rain etc etc. Its noticably warmer in the those areas too when I pull back the fg compare to the 3rd short side.

On the other side of the basement (its 'L' shaped) I put 2" XPS in the rims and the fg back on top of that.....but that entire area was more or less exposed to the elements.

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