You ll probably ultimately have to use a power washer but since most of the paint is gone you won t have to.
How do you remove paint from concrete block wall.
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.
The temptation is to scrape all the loose paint off and then repaint the walls.
You may think that once you paint a concrete wall the paint can never be removed again.
Fortunately this is not the case since there are several cheap ways of removing paint from concrete walls this allows room for renovation since you may decide to change the color of a particular room or to simply remove the paint and leave the room as it is.
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.
Use a paint scraper to scrape up any thick globs of paint that are sticking up off of the concrete.
You can use a regular garden hose to spray down the blocks and then scrub with a brush to remove dirt.
X research source avoid using soap in the water because it will take longer to dry and isn t effective for cleaning bare cinder block.
When you set out to remove paint from concrete the first thing to do is clean the surface of the concrete thoroughly.
The mortar still looks wet where the wall has been core filled.
Then put on a dust mask gloves and protective eyewear.
This is one option.
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.
Do you need to wait to paint a cinder block wall that has been core filled every 4 feet.
Whether used for an outdoor garden wall or as an interior basement wall paint provides.
Cinder blocks also called concrete blocks are a durable but rather industrial looking material for walls.