You can and should try applying common detergents directly to the tough spots and scrubbing with a bristle not wire brush.
How to clean poured concrete walls.
But you may not get far.
A thorough cleaning with a concrete safe cleanser lightens stains and usually removes them completely.
Pour the solution on the concrete.
If you can hose off the walls or scrub them down with warm water to remove any cling on spores when you finish and leave the walls clean and shiny.
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.
Dry with a clean towel to eliminate water spots that could encourage more mold to grow.
1 spray the entire wall with water to rinse off dust and dirt.
Mix together 1 gallon of water and cup of chlorine bleach if the walls have mold or mildew.
Remove the sheeting or blanket daily wet the.
Pour enough of your cleaner over the cement you re working on to get it thoroughly wet.
How you choose to clean your concrete depends on the stains.
Spray the wall as necessary.
For very dirty concrete allow the cleaner to sit for a few minutes before proceeding to clean it.
I once tried cleaning a concrete garage.
Learn how to clean concrete with our easy tips.
After scrubbing the walls as directed earlier scrub them again this time with a stiff scrub brush and the bleach solution.
The best way to clean concrete is with a cleaning concentrate once every twelve months or even twice a year.
Wet the concrete thoroughly and then cover it with the sheeting of your choice using bricks rocks or other heavy items to hold it in place.