Black Spots On Concrete Wall

Dark black or grayish stains on the wall are a sign of mold.

Black spots on concrete wall.

The other reason why keeping liquid from absorbing into concrete is important is because it puts stress on the concrete leading to cracking. This article provides a catalog of types of stains found on concrete surfaces. Mold might look like black spots or areas that have turned green. When removing a black stain from concrete it is important to completely remove the stain s multiple layers to keep new dirt and debris from reattaching to.

Discoloration issues on new concrete. The combination of substances become darker as layers of dirt accumulate on top of the stain. Concrete discoloration comes in the form of dark spots stripes blotchy areas and color differences. Black mold on concrete in basement.

Also known as strachybotrys atra black mold can grow on just about anything including concrete. If the white substance dissolves easily with water it is likely the latter. There are many causes of discoloration on a concrete surfaces and the solution will vary depending on the cause. It s always warm enough in your home for mold to grow even in the cold basement and household dust carries enough organic matter to feed it.

Concrete discoloration dark spots stripes and blotchy concrete. It thrives in areas that are damp shaded and have moderate temperatures. For black mold on concrete in a basement start by ventilating the area well. Because you ll be using bleach indoors open a window and escape the fumes when possible.

Create a cleaning solution that s one part bleach to four parts water and apply it to the concrete. Black stains on concrete consist of layers of dirt and oil chemicals ink or other substances. Some mold is white but can be confused with efflorescence which is a salty film on the concrete. Mold thrives in the presence of high humidity warmth and organic matter on which it feeds.

Final thoughts if the above stain removal measures don t work contact a professional. Methos for removing un wanted discoloration or stains from concrete. Walls floors ceilings including un wanted stains from various causes deliberate concrete coloring processes stains or acid treatments. Black mold is a fungi that has a green and black color.