Gary G. Lynch is vice chairman and global general counsel for Bank of America, responsible for overseeing the companyâs legal functions and its relationships with regulatory and law enforcement authorities around the world. Based in New York, he is a member of the bankâs executive management team.
Sometimes, humidity or dampness (water vapor) in the air can supply enough moisture for mold growth. Indoor relative humidity (RH) should be kept below 60 percent -- ideally between 30 percent and 50 percent, if possible. Low humidity may also discourage pests (such as cockroaches) and dust mites.
1 Mold in a crawl space is as common as in any part of your home due to the high moisture and humidity levels often found in these spaces. Weâve read studies that estimate a whopping 60 percent of homes have mold in their crawl spaces.  You do not need standing water in crawl spaces to trigger mold growth.