Scrub mold off with a rag or towel.
How to remove mold from painted concrete walls.
You ll need to wear protective gear and scrub the moldy areas vigorously.
Use a brush with stiff fiber bristles not a wire brush and scrub until all the discoloration has been removed.
For unfinished surfaces skip to the steps to remove mold from drywall.
Spray the solution on the affected area.
Rinse exterior concrete afterwards with a power washer.
For molds on the surface of the wall mix detergent and water solution and clean the area with a scrub brush.
Use the natural mold remover spray recipe.
Once all the mold is gone you may want to use a dilute bleach solution to disinfect.
Reapply the spray lightly this time.
Spray the moldy area well then immediately scrub with a clean cloth or brush to remove the surface layer of mold.
After scrubbing the wall vacuum the area again with the water extraction vacuum.
The bulk of mold remediation involves physically removing it from the concrete with a scrub brush.
Mix 3 parts warm water to 1 part detergent in a spray bottle.
Remove mold from drywall painted walls.
Spot test a small area with your chosen cleaning agent to make sure no damage occurs.
Use a water extraction vacuum to remove any excess water on the surface of the concrete or cinder blocks.
Walls can also be affected if your roof or exterior walls are infiltrated by water.