Masonry walls whether built of stone brick or cement all absorb moisture and react to stresses due to their weight and age.
How to remove paint from concrete block walls.
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.
Chip away small portions at a time until as much of the paint is removed as possible.
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.
Lift off the paint with the edge of the scraper.
When inferior or inappropriate.
Clean the concrete surface thoroughly and let dry.
In my garage i had painted walls that were pealing in areas.
The temptation is to scrape all the loose paint off and then repaint the walls.
Basement walls present a challenge because the cement walls are porous and this makes paint removal difficult.
Use a putty knife or paint scraper to remove any current paint.
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.
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.
When you set out to remove paint from concrete the first thing to do is clean the surface of the concrete thoroughly.
Rather than just scrape the paint with a putty knife to remove the loose paint before i applied.
How to fix a peeling masonry wall.
The most common way to remove paint is by scraping it off and the same is true for concrete walls.
This is one option.
Cinder blocks are mostly all a shade of gray or taupe so if your blocks are another color or have a shine to them they re probably painted.