Molds, like most fungi, break down plant and animal matter in the environment. They can grow almost anywhere there is moisture and organic material such as in soil, on foods and plants, and in people’s homes. To reproduce, molds release spores, which can spread through air, water, or on animals.

Where can mold not grow?

Mold resistance There are, however a number of surfaces where mold will not grow. Treated surfaces and drywall have been found to resist growth, even when wet. While it may seem like a good idea to have such surfaces everywhere, they are not 100% effective.

Where can mold grow?

Mold will grow in places with a lot of moisture, such as around leaks in roofs, windows, or pipes, or where there has been flooding. Mold grows well on paper products, cardboard, ceiling tiles, and wood products. Mold can also grow in dust, paints, wallpaper, insulation, drywall, carpet, fabric, and upholstery.