Mold is found everywhere and can grow on almost any substance when moisture is present. They reproduce by spores, these mold spores can be carried through the air. ... Water vapor condenses on surfaces cooler than the air, which enables mold to multiply.
Mold colonies get their food from any organic matter including wood, wallpaper, fabric and upholstery, or even plants and soil these can all feed mold. If you suspect mold, and require mold testing in Philadelphia, PA, you should be sure to contact a specialist to provide you with a mold report, and a course of action should mold be detected at inappropriate levels.