Moisture Control Do you have moisture or standing water in your crawl space? We can correct it by installing any of the following: French drains and a sump pump in crawl spaces and outside vapor barriers in crawl spaces automatic foundation vents and fans crawl space dehumidifiers Standing water with no escape French drains installed Sump pump installed surface mold from excessive moisture in the crawl space water damage from plumbing leak water damage from plumbing leak excessive moisture in the crawl space causing insulation to fall