If mold is a growing in your home, remediation may require by professional mold remediator if mold growth over 3'x3' (10 sq/ft). Get rid of the excess water or moisture before mold remediation Fix leaky plumbing or other sources of water such as moisture/water penetration in cold room and basement due to poor grading at foundation or large cracks on foundation wall. Wash mold off hard surfaces with detergent and water, and dry completely(Wear mask and gloves recommended). Absorbent materials (such as ceiling tiles,carpet,drywall,bath caulk & carpet) that become moldy may have to be replaced or removed.