How To Treat Black Mold On Concrete Walls

While cleaning the active growth from the concrete is relatively straightforward some staining will often remain.

How to treat black mold on concrete walls.

You ll need to wear protective gear and scrub the moldy areas vigorously. Raising the temperature in the basement also helps control humidity. Borax repels mold and leaving a thin layer of it on the concrete is an effective way to prevent mold from growing. Place a hose on its most powerful setting to clean off the concrete.

Before you can begin the mold removal process you must give your concrete basement walls a thorough cleaning. How to kill black mold on concrete step 1. Scrape off any remaining black mold with a spatula. Spot test a small area with your chosen cleaning agent to make sure no damage occurs.

Mix a solution of chlorine bleach detergent and water. This is especially true when dealing with black mold growth. A note about expectations. Choose from several cleaning agents to remove mold from concrete.

Rinse exterior concrete afterwards with a power washer. If you can hose off the walls or scrub them down with warm water to remove any cling on spores when you finish and leave the walls clean and shiny. Hose off as much black mold as you can. Next pour the newly formed cleaning solution into an empty spray bottle and proceed to vigorously apply it to your mold laden basement walls.

Mix one cup of bleach. In large commercial settings dry ice blasting is occasionally used to remove mold from concrete.