How To Insulate Basement Walls Properly. Homes in colder climates lose a tremendous amount of heat through basement walls. The first step in insulating a basement wall is to install the polystyrene insulation (for more information we recommend reading:
Trustedpros ask the pros home improvements how to properly insulate basement walls?
The best way to insulate the interior side of a basement wall is with foam insulation that is adhered to or sprayed directly on the concrete. There are three ways to insulate basement walls: The research comes from building sciences corporation which has focused on cold climate basement insulation. The pro's show you how.