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