Dunk a stiff bristle brush into the water bucket and scrub the painted surface of the concrete.
How to remove paint concrete wall.
Sweep the area to clean away dirt and debris.
Clear out loose debris from any cracks or holes in the surface and repair with cement or filler such as latex masonry caulk.
Use a broom or shop vacuum to remove all dirt or debris.
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.
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.
Clean a small area of the wall with warm water and detergent.
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.
Massage the alcohol into the stain to loosen the paint.
Dip the brush into the soapy solution and scrub the area using circular motions.
Once most of the paint comes off the concrete wash it thoroughly with a hose to remove any stubborn residue.
Peel the membrane if you used one and scrape off the paint using a paint scraper.
How to remove paint from concrete step 1.
2 apply a chemical paint stripper to the concrete surface.
Apply a generous amount of alcohol to a rag and apply it directly to the affected area.
When you set out to remove paint from concrete the first.
After the stripper is set use the scrub brush to scrub it off.
This scrub action should remove most of the paint as well.
Clean the concrete wall.
Remove loose paint with a scraper wire brush and cleaning solution.
Collect the paint residue and put it in contractor bags for disposal.
If there is still some paint leftover from the fist cycle let the concrete dry and repeat the process.
If some of the paint has already begun to chip or peel.
Avoid letting the latex paint cure.
Dry the area with a towel.
Clean the concrete surface thoroughly and let dry.
The most common way to remove paint is by scraping it off and the same is true for concrete walls.
If paint comes off on the rag the old paint is latex.
Alcohol is a common household chemical that can be used to remove latex paint from concrete surfaces.
If your project is indoors scrub the wall with soapy water and a scrub brush instead of using a power washer.
For exterior projects use a power washer to rid the wall of all dirt and dust.
Use the edge of a scraper to remove as much of the paint as possible.
Scrub mortar joints and stubborn paint patches with a wire brush.