Procedure for removing large spray paint overspray areas from concrete or asphalt with tsp 1 use an empty 5 gallon bucket or similar.
Removing spray paint overspray from concrete.
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.
Connect its high pressure hose to the high pressure inlet on the washer.
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.
Tsp trisodium phosphate.
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.
Remove spray paint method 1.
This was a small amount of overspray.
Accidental paint spills and overspray happen to the best of us and while removing paint from a concrete surface takes some time and effort it is not impossible.
2 use rubber gloves eye protection and a mask to prevent any tsp from getting into your eyes mouth or on your hands.
The easiest method for how to remove spray paint stains of any size from outdoor concrete is to rent a pressure washer.