If some of the paint has already begun to chip or peel.
How to remove paint concrete wall.
If your project is indoors scrub the wall with soapy water and a scrub brush instead of using a power washer.
Remove loose paint with a scraper wire brush and cleaning solution.
Dunk a stiff bristle brush into the water bucket and scrub the painted surface of the concrete.
If you applied a membrane much of the paint will come off when you remove it but you ll still have to scrape and scrub.
Clear out loose debris from any cracks or holes in the surface and repair with cement or filler such as latex masonry caulk.
Dip the brush into the soapy solution and scrub the area using circular motions.
Scrub mortar joints and stubborn paint patches with a wire brush.
Dip a rag in alcohol and rub over the area.
Before starting lay a cloth on the floor beneath the area you will be working on so that the flaking paint can be easily removed later on.
It is important that the area is free of loose paint oil grease or any foreign substance that may cause discoloration in your final paint job.
Avoid letting the latex paint cure.
Use a broom or shop vacuum to remove all dirt or debris.
If there is still some paint leftover from the fist cycle let the concrete dry and repeat the process.
Clean the concrete wall.
Sweep the area to clean away dirt and debris.
This scrub action should remove most of the paint as well.
Apply a generous amount of alcohol to a rag and apply it directly to the affected area.
Once most of the paint comes off the concrete wash it thoroughly with a hose to remove any stubborn residue.
Collect the paint residue and put it in contractor bags for disposal.
When you set out to remove paint from concrete the first.
How to remove paint from concrete step 1.
If possible remove any loose paint from concrete with a scraper or brush.
Peel the membrane if you used one and scrape off the paint using a paint scraper.
Clean the concrete surface thoroughly and let dry.
Massage the alcohol into the stain to loosen the paint.
Dry the area with a towel.
Alcohol is a common household chemical that can be used to remove latex paint from concrete surfaces.
Clean a small area of the wall with warm water and detergent.
Scrape peeled or chipped areas and apply paint stripper.
After the stripper is set use the scrub brush to scrub it off.
For exterior projects use a power washer to rid the wall of all dirt and dust.
2 apply a chemical paint stripper to the concrete surface.
Use the edge of a scraper to remove as much of the paint as possible.