I once tried cleaning a concrete garage.
How to clean poured concrete walls.
1 spray the entire wall with water to rinse off dust and dirt.
A thorough cleaning with a concrete safe cleanser lightens stains and usually removes them completely.
Pour the solution on the concrete.
But you may not get far.
Let the bleach mixture sit on the walls for 15 minutes then rinse the walls with a clean rag and warm water.
Learn how to clean concrete with our easy tips.
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.
Spray the wall as necessary.
You can and should try applying common detergents directly to the tough spots and scrubbing with a bristle not wire brush.
How you choose to clean your concrete depends on the stains.
For very dirty concrete allow the cleaner to sit for a few minutes before proceeding to clean it.
The best way to clean concrete is with a cleaning concentrate once every twelve months or even twice a year.
It s best to work in sections especially when cleaning a large amount of cement.
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.
Dry with a clean towel to eliminate water spots that could encourage more mold to grow.
First a yearly scrub for your concrete and cement floors goes a long way.
Pour enough of your cleaner over the cement you re working on to get it thoroughly wet.
Mix together 1 gallon of water and cup of chlorine bleach if the walls have mold or mildew.