Spot test a small area with your chosen cleaning agent to make sure no damage occurs.
How to remove mold from painted concrete walls.
Once all the mold is gone you may want to use a dilute bleach solution to disinfect.
Choose from several cleaning agents to remove mold from concrete.
Use the natural mold remover spray recipe.
You ll need to wear protective gear and scrub the moldy areas vigorously.
Mix 3 parts warm water to 1 part detergent in a spray bottle.
For unfinished surfaces skip to the steps to remove mold from drywall.
Walls can also be affected if your roof or exterior walls are infiltrated by water.
Spray the solution on the affected area.
The bulk of mold remediation involves physically removing it from the concrete with a scrub brush.
After scrubbing the wall vacuum the area again with the water extraction vacuum.
Use a water extraction vacuum to remove any excess water on the surface of the concrete or cinder blocks.
Scrub mold off with a rag or towel.
For molds on the surface of the wall mix detergent and water solution and clean the area with a scrub brush.
Spray the moldy area well then immediately scrub with a clean cloth or brush to remove the surface layer of mold.
Rinse exterior concrete afterwards with a power washer.
Remove mold from drywall painted walls.
Fill the second spray bottle with clean water and spray to.