You may be able to scrub the paint off with soap and water or blast it with a power washer but it s also possible that you ll need chemicals.
Removing spray paint overspray from concrete.
Remove spray paint method 1.
I just got a little bit of black spray on my dad s garage floor and immediately googled how to remove spray paint from concrete and this forum popped up.
You may have an easier time if the overspray is fresh but that s seldom the case overspray dries quickly and you probably want to finish the spray job before you start cleaning.
Procedure for removing large spray paint overspray areas from concrete or asphalt with tsp 1 use an empty 5 gallon bucket or similar.
Connect its high pressure hose to the high pressure inlet on the washer.
2 use rubber gloves eye protection and a mask to prevent any tsp from getting into your eyes mouth or on your hands.
A quick trip to the hardware store to pick up a paint remover and a wire brush or rent a power washer is the first step to recovering the surface of your concrete.
Removing spray paint from concrete.
Spray paint on a concrete surface either in the form of unwanted drift from a project or faded lines or designs that were once desired is unsightly and often.
The easiest method for how to remove spray paint stains of any size from outdoor concrete is to rent a pressure washer.