Clean the concrete surface thoroughly and let dry.
Removing old paint from concrete block.
This is one option.
Epoxy is often used to coat garage floors.
Removing old paint off basement walls is a time consuming effort.
Basement walls present a challenge because the cement walls are porous and this makes paint removal difficult.
Then put on a dust mask gloves and protective eyewear.
Still you may need to use a little elbow grease to work the acrylic out of the porous surface of your concrete.
You ll probably ultimately have to use a power washer but since most of the paint is gone you won t have to.
Method 2 to remove paint from concrete with soda blasting.
Use a paint scraper to scrape up any thick globs of paint that are sticking up off of the concrete.
When you set out to remove paint from concrete the first thing to do is clean the surface of the concrete thoroughly.
How to remove epoxy paint from concrete.
Soda blasting is a great way to remove paint from large areas of concrete.
The temptation is to scrape all the loose paint off and then repaint the walls.
You ll need a few special supplies to remove epoxy from concrete.
The procedure for stripping cinder block and masonry walls is virtually the same as that for stripping paint from any material at the beginning of the job but because cinder block is so porous the end of the job the part where you remove the paint residue can be difficult.