Use a bristle brush to scrape off as much mold as possible, solution of 3-percent hydrogen peroxide and water in a spray bottle then soak the area and allow to sit for 15 minutes, wipe away mold with damp cloth, epeat this process as needed, when finished, wipe the area with a clean damp cloth, fold up all materials used inside of a newspaper to be disposed of outside and turn on a fan to allow the area to ventilate.