How To Treat Concrete Walls

If you notice a white powdery film on your basement walls efflorescence is likely the culprit.

How to treat concrete walls.

These surfaces allow water to travel within the surface. 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. Causes of the efflorescence in concrete. Some surfaces and mostly stained concrete will be more susceptible to the reaction than others.

Interior and exterior concrete surfaces do not have to remain a flat boring shade of gray. Concrete walls are not especially prone to mold and mildew which are words for the same thing. Mold growth on concrete due to humidity is typically diffuse and spread across a large area. The recommended way to clean mold off concrete is to scrub it with detergent and water.

Concrete can be made to look interesting and beautiful by applying a few coats of paint. This can diminish the appearance of your basement walls. Concrete primer called block primer fills pores and evens out the surface. 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.

For exterior foundations and walls use exterior grade block filler such as behr s concrete and masonry bonding primer which also is good for interior concrete 17 98 per gallon. The efflorescence can be happening when moisture starts to react with concrete causing some white stains in the concrete. Efflorescence can be found anywhere there is concrete or brick but the most common places to find this white substance is in basements hence the title of the page basement wall efflorescence it usually appears on the block walls but can also enter through mortar joints flashing cracks or absorption through porous areas in the masonry. You can even apply hydraulic cement as the concrete wall leaks which allows you to treat the problem while it happens.

A do it yourselfer can pour concrete between 2 by 4 forms when installing a new sidewalk or patio but for best results pretreat the wood in the same way the pros do. During the winter months when the temperature drops the cool surface of a concrete wall can cause condensation. Concrete is a poor insulator. Painting concrete is a simple and.

Efflorescence typically shows up better on darker concrete and occurs when the salts and other materials in the concrete make their way to the surface. But even an inorganic material like concrete can become mildewed when spores begin to grow on dust dirt or old paint on its surface.