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Additional Basement Questions

Posted by Ron C on March 14th, 2001 03:02 PM

I asked additional stuff at my original post, but I guess it was too far down the page for people to see.

Finishing my basement part II.

I learned that nothing should be pressed directly against the block. Using 2x4s and 1" extruded foam insulation will provide about 2" of air gap between the
block & insulation. Is this air gap preferred? I don't understand the idea of venting at top and bottem? I want to keep the inside insulated envelop
(the room) sealed from the air gap between the concrete block & insulation. However, moisture will then find its way to the cold inside wall of
block, because the room won't be 100% airtight. I guess I still don't understand?

My plan was originally to have the foam insulation and drywall pressed directly against the block wall because they look fairly plum. I thought
that no air gap would prevent molds & mildew from growing. One of my primary concerns is preventing mold & mildew. Please say more about
preventing moisture from condensing on the block wall and growing mold & mildew!

Thanks for all the input, & I look for more. What a great site!

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  • More ... by Jay J -Moderator  3/14/01 08:45 PM

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