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-   -   Between insulation and foundation exterior walls (http://www.diychatroom.com/f19/between-insulation-foundation-exterior-walls-19618/)

sithappens 04-07-2008 05:17 PM

Between insulation and foundation exterior walls
 
Just ripped apart old paneling from a basement room in order to install drywall. I pulled back the insulation and discovered just the concrete foundation. Should there not be something between the foundation and the insulation? Some kind of membrane on tarpaper?. I live in a fairly dry climate so humidity is not an issue in the basement. (Oroville, WA) Or is the tarpaper only installed to the outside of the concrete foundation walls?

jason h 04-07-2008 07:07 PM

you do not want anything between the livable air space and the exterior concrete that will trap moisture vapors. plastic or tar paper are not brathable materials and you will have mold

jogr 04-08-2008 12:05 PM

Quote:

Originally Posted by sithappens (Post 114514)
Should there not be something between the foundation and the insulation?

Did you find any problem that suggests that the installation wasn't adequate (mold, wet insulation, water stains, etc.) If not then I'd say the installation was ok.


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