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Professional-Buy579 t1_iyasgsd wrote

I live in MN and here they give us 2 choices: 1) frame the wall 1" from the concrete. Put a vapor barrier on the concrete side and slice a small " smile" in the vapor barrier on the concrete side. Insulate the framing and then put a real vapor barrier on the room side and drywall it. The " smile" allows any vapor that infiltrates the insulation to evaporate. The concrete side barrier allows a gap between the framing and the concrete so that any moisture evaporates from there. 2) frame the wall 0.5 to 1" in front the concrete and spray foam it at least 2" thick. Both vapor barrier and insulation. I got this info from the inspector when I finished my basement. I did the first way. Spray foam is nice but too expensive

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