The problem is the roughness of the concrete block.
Remove paint from cinder block wall.
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.
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.
If you are committed to removing the paint using a stripper specifically for removing paint from concrete is going to be the best.
The wire cup doesn t work at all.
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.
This is one option.
Then wipe the wall with a soft cloth to remove any loose paint or dirt before starting.
Peeling does not always remove the pasty white.
Rather than just scrape the paint with a putty knife to remove the loose paint before i applied.
I have a drill that uses bits with 1 4.
Clean the concrete surface thoroughly and let dry.
When you set out to remove paint from concrete the first thing to do is clean the surface of the concrete thoroughly.
Cinder blocks also called concrete blocks are a durable but rather industrial looking material for walls.
The wire wheel gets off a lot of the paint but not all of it.
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.
Unfortunately there isn t a quick and easy solution to removing paint from a cinder block wall.
Behr has a concrete and masonary stripper that is made for both vertical and horizontal surfaces.
Whether used for an outdoor garden wall or as an interior basement wall paint provides.
In other places the latex paint comes off with a paint scraper but not nearly as easily.
So far i ve tried a 4 brass wire wheel and a small brass wire cup.
Removing old paint off basement walls is a time consuming effort.
Basement walls present a challenge because the cement walls are porous and this makes paint removal difficult.