WELCOME What Makes Mold Grow Presence of mold spores Nutrient source available Time and the right temperature and relative humidity Water – The single most important factor in mold growth How Long It Takes Mold To Grow Spores can germinate within 12 hours Colonies can begin to form within 24 hours Spores can be produced within 48 to 72 hours Some molds require very little moisture Moisture Sources Kitchen, bathroom, and plumbing leaks Excessive watering, sprinkler overspray, and drainage problems Floods, sewer back ups, and roof leaks High water table and vapor transfer Life style and condensation Architectural design and construction defects Materials That Help The Growth Of Mold Drywall and latex paint Wood, paper, and cardboard products Clothing, wall coverings, and leather Carpeting, backing materials, and furnishings Dirt, soil, and dust residue on any surface Furnace filters and lined ductwork Signs Of Mold Infectivity Visible mold growth Water-stained walls, ceilings, carpet and tack strips High humidity Musty or bad odor History of mold problems or previous water intrusion
