How To Remove Black Mold From Concrete Block Walls

Allow the area to dry naturally.

How to remove black mold from concrete block walls.

Disinfect the area with a mixture of bleach and water 1 2 cup of bleach per gallon of water. Then take a scrub brush to scrub the mold. Hose off as much black mold as you can. For molds on the surface of the wall mix detergent and water solution and clean the area with a scrub brush.

Because black mold can form in the walls before spreading to drywall or other surfaces chances are that homeowners may smell its musty mildew odor before seeing it. Use a water extraction vacuum to remove any excess water on the surface of the concrete or cinder blocks. But only bleach might not be enough. Open the windows if you are inside.

Take the right amount of bleach and mix it with water. After scrubbing the wall vacuum the area again with the water extraction vacuum. Dip the scrub brush in the mold and clean the concrete wall properly. Wet the area with a sponge if concrete is inside.

If the mold is powdery you should also wear a mask to avoid inhaling spores. Mixing them causes toxic fumes. Place a hose on its most powerful setting to clean off the concrete. After the molds are gone you must rinse the area with clean water.

You can deep clean your concrete by using trisodium phosphate which is a strong detergent that can degrease as it removes mold and dirt. Follow our detailed 4 steps removal guide below for the best result and lasting effect. Bleach is the ultimate solution to remove mold. Mix 1 4 to 1 2 cup of tsp per gallon of warm water and wear rubber gloves and goggles while scrubbing with it.

Voilà all mold removed. Clean mold off walls by scrubbing the area thoroughly with a bristle brush after about ten minutes to help to lift any residual mold out of the pores in the concrete. 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.