Paint the entire wall with a thin coat of a concrete sealer or concrete primer.
How do you temove paint from a concrete block wall.
The temptation is to scrape all the loose paint off and then repaint the walls.
Then ask the sales associate for a recommendation on the amount of paint you should purchase based on the area.
The mortar still looks wet where the wall has been core filled.
Get a good scraper some sand paper and a wire brush or a grinder depending how much paint you want to take off.
I would suggest you get a two part epoxy and go over whats there.
Basement walls present a challenge because the cement walls are porous and this makes paint removal difficult.
Apply an even coat with a wide paintbrush.
Allow it to dry for four hours or for the time indicated on the sealer label.
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.
Prepare a solution of soap and water or better yet diluted trisodium.
You may think that once you paint a concrete wall the paint can never be removed again.
Removing old paint off basement walls is a time consuming effort.
If you want to go back to concrete get you lots of paint stripper nasty expensive job.
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.
You ll probably ultimately have to use a power washer but since most of the paint is gone you won t have to.
Remove all the loose paint and clean it with 50 50 bleach water.
Make sure you measure the height and length of each wall and add the areas of each wall to find the total that you ll be painting before you go to the store.