You ll probably ultimately have to use a power washer but since most of the paint is gone you won t have to.
How to remove old paint from concrete walls.
Paint stains on concrete completely disappear using this method leaving you with a clean surface for repainting if necessary soda blasting is also an environmentally friendly way to remove paint from concrete and causes no damage to the underlying concrete.
Then wipe the wall with a soft cloth to remove any loose paint or dirt before starting.
Soda blasting is a great way to remove paint from large areas of concrete.
Use a paint scraper to scrape up any thick globs of paint that are sticking up off of the concrete.
Paint can be applied to the concrete to gain a fresh new look.
Before starting lay a cloth on the floor beneath the area you will be working on so that the flaking paint can be easily removed later on.
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.
For external walls both sandblasting and power washing are tried and tested methods of removing old paint from hard surfaces like concrete.
The temptation is to scrape all the loose paint off and then repaint the walls.
The most common way to remove paint is by scraping it off and the same is true for concrete walls.
Clean the concrete surface thoroughly and let dry.
Then put on a dust mask gloves and protective eyewear.
Seek advice from your rental company before deciding on these methods since both use high pressured water and could cause damage to your wall and yourself if not handled properly.
Step 1 decide what method you ll use.
This is one option.
In order to get a clean look from fresh paint or to revert to a bare concrete look you will need to begin the project by removing the old paint.
To remove paint from concrete first sweep the concrete to clean the area you ll be working on.
Removing old paint off basement walls is a time consuming effort.
A stream of water at 4 000 to 5 000 pounds per square inch is suitable though it is important that you.
When you set out to remove paint from concrete the first thing to do is clean the surface of the concrete thoroughly.