Finishing exterior basement walls

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  #1  
Old 12-10-03, 07:37 AM
Putt
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Finishing exterior basement walls

I am about to start finishing off my basement. I had planned to attach 2X2 furring strips to the exterior walls using tapcons or the 22 cal nailsets. I want to install closed cell insulation then finish with paneling. Am I nuts? Will I create a moisture problem in the future?
 
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Old 12-10-03, 10:33 AM
MusicField
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You can't (shouldn't) put wood paneling over foam board insulation without putting 1/2 inch sheet rock under it, for fire code reasons. Also, what you are proposing doesn't leave you any room inside the wall to install wiring for electrical boxes, etc.

Generally, foundation walls are not perfectly plumb and square, they usually have some variation in them. If you want a flat, professional looking finished wall, install framing that attaches to slab at the bottom and the joists at the top; this is the best way to get a flat professional-looking finished wall.

Recommend by Building science coproration is a technique as follows: a continuous layer of extruded polystyrene adhesively attached to the concrete wall, followed by standard wall framing techniques (in wood or metal, you choice), followed by unfaced figerglass insulation between framing members, followed by sheetrock with paneling over it if you want. Note: no vapor barrier.

Check out the science behind the above recommendation at the following link:

http://www.buildingscience.com/resou...on_systems.pdf
 
  #3  
Old 12-10-03, 10:51 AM
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You won't like the end product

Very few foundation walls are truly flat. What you will find, after the drywall is up and painted, is that the wall is wavy.
Best to put up a 2x4 stud wall about in inch away from the foundation.
 
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