Clean the concrete surface with soap and warm water removing any old paint.
Cleaning concrete block painting.
Using a pressure washer on a mild pressure level of 1500 2000 psi will get the job done quickly but it s okay if you don t have access to one.
Previously painted most of the prep work involves removing all loose or peeling paint and fully evaluating the condition of the block.
2 dissolve 1 2 ounce of trisodium phosphate tsp.
Regardless of the finish and whether the concrete has already been painted the cleaning procedure is very similar.
Your supplies are likely to be a bucket scrub brush and detergent.
Since many basements contain high moisture levels they are often installed with cement cinder block walls.
Spray the wall as necessary while cleaning it so the concrete surface remains moist.
This concrete cleaner uses bio remediation a technique by which microorganisms are used to clean stain messes that other cleaning agents like soaps degreasers and detergents can t break.
The pressure washer can remove most if not all of the loose paint.
Use the paint roller for painting the areas away from the edges.
Allow the first coat of paint to dry for about 10 hours.
The bad news for the fastidious homeowner is that.
2 combine 1 cup trisodium phosphate with 1 gallon of hot water in.
Then remove any existing paint or gunk using a power washer or scraper and wire brush.
You can use a regular garden hose to spray down the blocks and then scrub with a brush to remove dirt.
First sweep away any surface leaves debris and dirt.
Rinse the cinder blocks with water to wash away dust and surface grime.
Scrub away any dirt grime or gunk that is stuck to the concrete.
Start by painting the edges of the concrete surface.
Thin black and white fungi growth spreads over cement basement walls and leaves behind a musty odor.
Use a bigger paintbrush for this.
Begin by using a pressure washer.
Start washing at the top and work your way down the concrete block wall.
Use a 500 psi pressure washer to remove any peeling paint.
Hydrogen peroxide or ammonia also work well too.
Wash the blocks with a pressure washer or hose and scrub brush.
Spray the entire wall with water to rinse off dust and dirt.
Act concrete cleaner is so effective that all you need to do is apply some powder on the stained area spray some moisture and leave it to do all the work for you.