There are several ways to remove spray paint from concrete including simple solutions that only require some soap and a scrub brush and more extensive techniques that require a sandblaster pressure washer or chemical stripper.
Removing spray paint from concrete wall.
These methods are cheap easy and effective.
Using a chemical stripper.
Chemical strippers might end up adding pits to the concrete or it may develop blotches on the surface from which the spray paint was removed.
So if you do not want to harm the concrete and want to adopt a safer method of removing the spray paint then using a soy based gel is the better choice.
The easiest method for how to remove spray paint stains of any size from outdoor concrete is to rent a pressure washer.
Removing spray paint from concrete surfaces.
Removing spray paint from concrete driveways floors walls and sidewalks requires a little effort and patience but is totally doable.
Removing spray paint from concrete.