The chalky white substance so often found on old brick cement or cinder block walls is efflorescence.
How to clean white concrete walls.
You can rent a pressure washer for use in combination with a biodegradable detergent.
Although it can be a bit time consuming cleaning painted walls is a relatively easy and straightforward task.
Use two buckets one for the cleaning solution and one for the water.
If your interior concrete walls are in need of a good cleaning but you fear the mess you ll be left with just to get the job done worry no more.
You want a damp sponge not a wet one.
Wipe the wall with the cleaner and then wipe it with just water to rinse.
Whether the walls are plagued with mold or mildew or they re just dusty and dirty you can wash them with the right products and methods to get them clean without making another mess you ll have to.
Mold is a living organism that occurs in wet environments.
Your supplies are likely to be a bucket scrub brush.
The white powder is efflorescence or minerals left behind as water that has flowed through the concrete walls evaporates.
These white powdery deposits are common on basement walls floors and other cement surfaces.
Once you have finished washing a section dry the wall with a cloth or towel.
In order to choose the best method you will need to.
Efflorescence will be triggered by low temperatures humidity condensation and rain.
How to clean an exterior concrete wall.
While the white powder often found on basement walls and mold are caused by similar conditions they are actually different materials.
Whether the wall is part of a building or a part of the landscape design.
Washing your walls is a fantastic way to deep clean and refresh your home.
The stains are normally white and are present in darker colors more than white or pale colors due to the contrast created by the chemical reaction.
Be sure you wring out your sponges before using them on the wall.
Although efflorescence is not harmful to cement excessive amounts of it may cause mold or insect problems.
Water stains moss and dirt can ruin the look of an exterior concrete wall.
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.
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.