How does mold become a problem?
Mold spores are everywhere. In order for mold to grow, moisture must be present. The necessary moisture can simply come from prolonged high humidity or from more catastrophic events such as floods, sewer backflows, leaky roofs or plumbing leaks. Once the structure gets wet, if it does not dry out or dries out slowly, mold spores can germinate and begin to grow on surfaces that provide a food source.