When you set out to remove paint from concrete the first thing to do is clean the surface of the concrete thoroughly.
Remove paint from cinder block wall.
If you are committed to removing the paint using a stripper specifically for removing paint from concrete is going to be the best.
I have a drill that uses bits with 1 4.
So far i ve tried a 4 brass wire wheel and a small brass wire cup.
Then wipe the wall with a soft cloth to remove any loose paint or dirt before starting.
The problem is the roughness of the concrete block.
Cinder blocks also called concrete blocks are a durable but rather industrial looking material for walls.
Basement walls present a challenge because the cement walls are porous and this makes paint removal difficult.
On top of that coating 2 layers of latex paint different colors.
Behr has a concrete and masonary stripper that is made for both vertical and horizontal surfaces.
In other places the latex paint comes off with a paint scraper but not nearly as easily.
The wire wheel gets off a lot of the paint but not all of it.
Removing old paint off basement walls is a time consuming effort.
In many places it s possible to pull off large strips of the paint white stuff right off the wall where it has bubbled away from the block.
Clean the concrete surface thoroughly and let dry.
I need to remove some paint from a concrete block wall before waterproofing it.
This is one option.
In my garage i had painted walls that were pealing in areas.
The most common way to remove paint is by scraping it off and the same is true for concrete walls.
The temptation is to scrape all the loose paint off and then repaint the walls.
Rather than just scrape the paint with a putty knife to remove the loose paint before i applied.
Unfortunately there isn t a quick and easy solution to removing paint from a cinder block wall.
Peeling does not always remove the pasty white.
Cinder blocks are tougher than bricks and can usually withstand the etching force of pressurized water or sand but neither power washing nor sandblasting is a safe method for removing lead based paint from a wall that predates 1978 even if the paint isn t lead based using a chemical stripper is often safer faster and less messy especially if you use it in conjunction with a peel away.