What Is Black Mold Growing on My Shower Ceiling?

Stachycotrys Atra

• Stachycotrys atra -- commonly known as toxic black mold -- is a common type of mold of a greenish-black color that causes respiratory issues. The CDC states that "toxic black mold" is a misnomer, as the mold itself is not toxic but produces toxins and Stachycotrys atra is not the only common mold that produces toxins.

Other Black Molds

• Plenty of other black mold types exist, such as the cladosporium strains, which also can complicate allergies. Molds of all types live by breaking down carbon, such as ceiling tiles and wood floors, and can cause serious damage to household items and even a building's structure if ignored.

Humidity

• Mold likes warm and humid environments, such as your shower ceiling. If you live in a humid area, routinely look for mold and clean it up when you find it. Even if you live in a cold and dry area, pay attention to your house's ventilation and look for mold in places that are warm, moist and poorly ventilated, such as your bathroom or basement.

Removing Mold

• Remove the mold from your shower ceiling as soon as possible, before it has time to grow any further. The Toxic Black Mold Information Center recommends sealing off the room, wetting the mold slightly to prevent it from releasing spores during the cleaning and then applying a mold disinfectant until the area is clean.