Safe basement wall insulation layers / Discussions

Should I install a poly moisture barrier before the rigid foam board against a basement wall?

...wall (to be relocated in a new stud wall later) to make room for the new insulation process. From the block wall inwards I am considering the following sequence of materials:  6 mil Poly against the wall for moisture and radon protection, 2" rigid XPS foam board insulation held in place with the special plastic pegs (s...

Posted by DONandCATHY Crenna Dec. 14, 2020 Basements improvements 3 responses