When the paint is soft you can pry it of with a hand scraper and wire brush then rinse with fresh water.
How to remove paint off concrete patio.
Shot blasters though costly can be used to remove paint stains from concrete.
Use a paintbrush or a paint sprayer to apply the paint stripper.
You will want to apply behr s concrete stain paint stripper to remove as much as you can of the existing material.
How long can vary depending on how old and hard the paint is.
Pour the solution on a small section of painted concrete and allow it to stand for 10 to 15 minutes.
Apply the acid directly from the bottle with a sponge or cloth.
Apply paint stripper in a thick even layer on the concrete until the stripper is twice as thick as the paint on the concrete.
Allow it to remain on the paint long enough to dissolve the paint.
Once most of the paint comes off the concrete wash it thoroughly with a hose to remove any stubborn residue.
Use a wire scrub brush or a scraper to remove the loosened paint.
To get oil out of concrete or remove unsightly paint or other stains fill both buckets with hot or warm water and add several squirts of dish soap to one of the buckets.
It may require a couple of applications to achieve your goal.
Clean the concrete surface thoroughly and let dry.
Remove old paint from a smaller patio 10 x 10 or so by mixing 1 cup of dishwasher soap and 2 quarts of hot water.
Repeat by sections until all of the old paint is gone.
It has a vacuum attachment which then cleans up the released beads dusts and debris by suction.
The abrasive material forced out under high pressure on the affected spot of concrete surface helps in paint removal.
You could also use a pressure washer for outdoor concrete surfaces such as driveways or patios.
Break up the paint with the wire brush and scrape it away with the scraper.
When you set out to remove paint from concrete the first thing to do is clean the surface of the concrete thoroughly.
This scrub action should remove most of the paint as well.
After the stripper is set use the scrub brush to scrub it off.
In most instances the stripper should be applied to the surface and left undisturbed for a specific amount of time.