Can you install foam boards directly against basement walls? - Ecohome
How to insulate basement walls with Rigid foam panels | Basement insulation - YouTube
insulation - Rigid board installed after framing in Interior Basement Walls - Should I be concerned about trapped moisture? - Home Improvement Stack Exchange
Best Practices For Insulating Your Basement With Spray Foam - Eco Comfort
Insulation Benefits of a Finished Basement: Minneapolis Drywall|Home Drywall and Painting - Home Drywall and Construction
Owens Corning FOAMULAR 1/2 in. x 4 ft. x 8 ft. R-3 Square Edge Rigid Foam Board Insulation Sheathing 36L - The Home Depot