If you’re going this route, it’s best to leave the subfloor installation to a professional, as it requires drilling masonry screws into your foundation. Prefabricated insulated panels follow a ...

Foundation insulation panels are one good-looking option. Foam insulation panels are available in 1-, 1-1/2- and 2-in.

inside a basement against the foundation, and on the outside of a house beneath a house wrap. Foam board insulation is more ...