Cleaning Concrete Block Painting

Start washing at the top and work your way down the concrete block wall.

Cleaning concrete block painting.

Previously painted most of the prep work involves removing all loose or peeling paint and fully evaluating the condition of the block. Start by painting the edges of the concrete surface. There are two basic types of finish on concrete block smooth and split face. Clean the concrete surface with soap and warm water removing any old paint.

Then remove any existing paint or gunk using a power washer or scraper and wire brush. The bad news for the fastidious homeowner is that. Use the paint roller for painting the areas away from the edges. First sweep away any surface leaves debris and dirt.

Begin by using a pressure washer. 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. You can use a regular garden hose to spray down the blocks and then scrub with a brush to remove dirt. Spray the entire wall with water to rinse off dust and dirt.

Mold and mildew spores flourish in basements that are dim warm damp and poorly lit. 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. Use a bigger paintbrush for this. Scrub away any dirt grime or gunk that is stuck to the concrete.

Thin black and white fungi growth spreads over cement basement walls and leaves behind a musty odor. 2 combine 1 cup trisodium phosphate with 1 gallon of hot water in. Your supplies are likely to be a bucket scrub brush and detergent. Spray the wall as necessary while cleaning it so the concrete surface remains moist.

The pressure washer can remove most if not all of the loose paint. Hydrogen peroxide or ammonia also work well too. Regardless of the finish and whether the concrete has already been painted the cleaning procedure is very similar. 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.

Since many basements contain high moisture levels they are often installed with cement cinder block walls. Allow the first coat of paint to dry for about 10 hours. Use a 500 psi pressure washer to remove any peeling paint. Rinse the cinder blocks with water to wash away dust and surface grime.