When you set out to remove paint from concrete the first thing to do is clean the surface of the concrete thoroughly.
How do you temove paint from a concrete block wall.
Prepare a solution of soap and water or better yet diluted trisodium.
Do you need to wait to paint a cinder block wall that has been core filled every 4 feet.
Apply an even coat with a wide paintbrush.
Basement walls present a challenge because the cement walls are porous and this makes paint removal difficult.
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.
You may think that once you paint a concrete wall the paint can never be removed again.
The mortar still looks wet where the wall has been core filled.
I would suggest you get a two part epoxy and go over whats there.
Remove all the loose paint and clean it with 50 50 bleach water.
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.
We repaired an outside wall and are anxious to put the house back together before school starts as it is a bedroom.
This is one option.
Then ask the sales associate for a recommendation on the amount of paint you should purchase based on the area.
The temptation is to scrape all the loose paint off and then repaint the walls.
Paint the entire wall with a thin coat of a concrete sealer or concrete primer.
Get a good scraper some sand paper and a wire brush or a grinder depending how much paint you want to take off.
Removing old paint off basement walls is a time consuming effort.
You ll probably ultimately have to use a power washer but since most of the paint is gone you won t have to.