W hen it comes to finishing or updating an unfinished basement, one of the most important ways to make the space functional ...

Basement foundation walls are naturally prone to moisture ... You don’t have to add wall studs and drywall; foam board insulation is a great standalone option for unfinished basements.

Check out our guide to waterproofing basement walls. After your waterproofing has dried, install 2-in. extruded polystyrene ...