Remove Black Mold Stains From Concrete

While black algae won t damage concrete driveways they can be an awful eyesore.

Remove black mold stains from concrete.

Mold reproduces through spores released into the air making it necessary to take precaution when cleaning the surface. You ll need to wear protective gear and scrub the moldy. Attack even small black algae colonies as soon as you see them. Depending on the substance that causes the stain it can often do more than just mar the look of your concrete but also shorten the concrete s useful life.

Choose from several cleaning agents to remove mold from concrete. You can see on the next picture that i ve treated the left side while the right side remains untreated where it is green and the treated side turned brown. It is at best an unsightly nuisance and at worst a health hazard. Step 3 before removing any black mold gear up.

How to clean mold off concrete. Don disposable coveralls rubber gloves airtight safety goggles and a face mask respirator. If you have mold growing on concrete driveways brick walkways or paving stone patios around your home the first thing to do is to make sure your children and pets do not have access to the area until you can remove the mold. Fortunately a concrete stain can be easy to remove in a few simple steps.

If you have greenish black stuff on your concrete patio it s probably mold mildew or moss damp or moist conditions from rain or humidity can encourage mold and mildew to grow in those nooks and cracks of concrete pavers or bricks. Mold generally occurs in damp areas. Small colonies quickly spread to cover large areas. If fido has been doing his business on your concrete patio driveway or dog run those pet stains no doubt smell as bad as they look.

Spot test a small area with your chosen cleaning agent to make sure no damage occurs. Black algae commonly crop up on concrete driveways in areas with high levels of humidity and heavy rainfall. On a concrete surface where the mold or mildew was exceptionally bad and the concrete was a light color even though the green was out there remained a brown stain. This protective gear will reduce the risk of health.

How to remove mold from concrete. How to remove pet stains from concrete. Concrete floors and surfaces can stain easily because of the porous nature of the concrete. To kill mold on concrete basement walls or for an ideal diy mildew remover pour 3 hydrogen peroxide into a spray bottle saturate the walls with the peroxide then let it sit for up to 30 minutes.