You may think that once you paint a concrete wall the paint can never be removed again.
How do you remove paint from concrete block walls.
Then put on a dust mask gloves and protective eyewear.
Allow it to dry for four hours or for the time indicated on the sealer label.
When you set out to remove paint from concrete the first thing to do is clean the surface of the concrete thoroughly.
After you had the mold eradicated if you intend to go back and re paint the concrete use latex paint as it breathes or is porous and allows moisture to evaporate on through rather than try and seal moisture out as i would think moisture gathered would lead to mold as well as what marksr said 6th post after yours that it s apt to fail.
You ll probably ultimately have to use a power washer but since most of the paint is gone you won t have to.
Use a paint scraper to scrape up any thick globs of paint that are sticking up off of the concrete.
Paint the entire wall with a thin coat of a concrete sealer or concrete primer.
To remove paint from concrete first sweep the concrete to clean the area you ll be working on.
Prepare a solution of soap and water or better yet diluted trisodium.
The temptation is to scrape all the loose paint off and then repaint the walls.
Apply an even coat with a wide paintbrush.
This is one option.
Basement walls present a challenge because the cement walls are porous and this makes paint removal difficult.