Dirt crawlspaces are never-ending sources of moisture. Even if the dirt’s surface is dry, digging down a little bit reveals moist earth. Moisture ruins houses by providing a hospitable environment for the fungi, mold and insects that destroy wood framing. Moisture in a crawlspace affects not only the floor system directly above it but also the entire house.
[To read more of Larry Janesky’s article from the February/March 2003 issue of Fine Hombuilding, click the link below.]