Wet mold vs dry mold. Inside, molds are potentially hazardous to your health. How to remove black mold from unfinished drywall. It may be found behind wallpaper or paneling, on the inside of ceiling tiles, the back of drywall, or the underside of carpets or carpet padding. Similarly if the mold has matured and degenerated, it is difficult to recognize since it rubs off the surface leaving only stained spots or patches. If your building smells like this, try to follow the smell to the source of the mold. With a bucket of hot water and detergent, clean the affected area. One of the ways to kill black mold from drywall is by spraying it with a mold-fighting solution. Research source It’s an all-too-common problem in any room with high moisture levels: mold on the walls or ceiling. Wearing rubber gloves, goggles, and mask, you can start using the keyhole saw or knife to cut the affected surface. One common mold is stachybotrys atra, or black mold. Black mold is like other molds in that it prefers damp and dark places, typically starting in the corner of a wall and expanding outwards from it. Black mold is commonly thought to be toxic when ingested or inhaled; however, it is no more dangerous than other types of mold. It’s easier to identify this problem on drywall because it causes severe discoloration. As you get closer to the mold, you should also detect a strong mildew or musty smell. Also, use proper mold-killing chemicals — bleach does not kill mold. When it grows on drywall, it is actually growing on the thin cellulose rich paper that coats both surfaces of the drywall. wikiHow is where trusted research and expert knowledge come together. Cleaning mold damage might be easier when only the surface is affected. You may be concerned that the mold that you have is the dangerous 'black mold' that everyone is afraid of. Mold exhibits darker colors such as deep green and black; mildew may begin as white, then turn brown or gray. If you notice that your drywall is affected with black mold, you need to assess it properly. Sometimes, the most visible mold type, can be mistaken for a dirty surface. Drywall is known as a perfect place for growing black mold. [2] X Trustworthy Source Centers for Disease Control and Prevention Main public health institute for the US, run by the Dept. If you cannot see the mold, it may be behind a wall or in another well covered space. of Health and Human Services, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/78\/Identify-Black-Mold-Step-2.jpg\/v4-460px-Identify-Black-Mold-Step-2.jpg","bigUrl":"\/images\/thumb\/7\/78\/Identify-Black-Mold-Step-2.jpg\/aid8833092-v4-728px-Identify-Black-Mold-Step-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"