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Old 12-14-2012, 02:33 PM   #1
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Basement Wall Insulation Question

Ok so I'm remodeling my basement and trying to do it the right way instead of the way the previous owner did.

So far, I have 2" EPS on the concrete block wall, 2x4 PT wood for a plate under 20 gauge metal track with metal studs, all tapcon'd to the concrete floor. Now where I'm confused is, if I should put unfaced batts between the studs or not. I've had moisture problems in the past but I think the interior drains and sump pump will resolve the majority of the issues.

I usually don't put fiberglass batts anywhere in a basement due to it holding moisture/molding but I don't see the 2" EPS foam board really providing much R value.

Any suggestions?
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Old 12-14-2012, 03:41 PM   #2
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There's well over 2000 post on this one subject. Look at the top of the page and go to search.
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Old 12-17-2012, 12:38 AM   #3
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if the eps is well sealed, it is doing what is stated for its density, which is better than any wall can do, regardless of insulation type; the wood will lower the overall wall r value. you can always jam more eps between the studs, leaving a gap large enough for Great Stuff to fill. or, use roxul insulation. it is superior to fg in a couple of ways.
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