new bathroom in basement
I have a partially finished basement in a 50year old house, I am putting in a bathroom. The walls are poured concrete with sill plate and wood framing on top. The walls appear to be waterproofed and painted. I do not have issues with water leakage or anything. One side of the new bathroom will be 2x4 framing along the concrete wall. Should I insulate this space along the concrete wall? Should I use a vapor barrier? I have worked in houses with finished basements with vapor barrier behind drywall, and they were moldy, very moldy. Any suggestions?