Saturate the walls with the peroxide then let it sit for up to 30 minutes.
Mold and mildew on concrete block walls.
Mildew thrives in damp areas and can grow on a concrete block wall.
Collect the necessary tools and materials you will need a few essential tools and ingredients to get rid of black mold.
Put on the mask goggles and gloves.
To kill mold on concrete basement walls or for an ideal diy mildew remover pour 3 hydrogen peroxide into a spray bottle.
Concrete is a poor insulator.
Mold growth on concrete due to humidity is typically diffuse and spread across a large area.
How to remove prevent mold mildew on concrete block walls step 1.
The concrete makes an exceptionally attractive spot for mildew since concrete tends to absorb moisture and provides a porous.
Identify areas of mold growth.
During the winter months when the temperature drops the cool surface of a concrete wall can cause condensation.
Steps to remove mold on concrete block walls step 1.
Scrape away all surface mold and mildew and place the scrapings in a plastic garbage bag.