This is a residential basement finishing project. The house is 6 years old, located in northern NH and has a dry walkout basement. The walls where the vapor barrier is in question are poured concrete, with exterior moisture resistant coating and 4 "of exterior eps insulation. The wall is below grade with the top 2 feet above grade. [The rest of the basement is 2x6 franed and insulated...not below grade....]
The interior concrete has been moisture proofed with ugl, and has 1" of eps insulation directly attached to the wall. A 2x4 frame wall has been build next to the eps and has Dow safetouch insulation in place. The next step is sheetrock. The basement temp at present with the heat zone shut off and just a furnace providing heat is 62....it is generally below freezing ourtside here from December through February. The furnace runs little as we heat mostly with a wood stove....next floor up...
Would you use a vapor barrier here and WHY?
My thoughts are not to.....let the concrete breathe to the interior....
I agree, seeing as how you already have a vapour retarder: the drywall. Paint that and there you go.
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