I would recommend using a pressure washer for your final rinse this ensures that the entire chemical is removed.
How to remove paint off concrete patio.
After the stripper is set use the scrub brush to scrub it off.
Use a wire scrub brush or a scraper to remove the loosened paint.
When the paint is soft you can pry it of with a hand scraper and wire brush then rinse with fresh water.
Sweep the area to clean away dirt and debris.
Allow it to remain on the paint long enough to dissolve the paint.
Repeat by sections until all of the old paint is gone.
Apply the acid directly from the bottle with a sponge or cloth.
In most instances the stripper should be applied to the surface and left undisturbed for a specific amount of time.
Clean the concrete surface thoroughly and let dry.
Once most of the paint comes off the concrete wash it thoroughly with a hose to remove any stubborn residue.
How long can vary depending on how old and hard the paint is.
It has a vacuum attachment which then cleans up the released beads dusts and debris by suction.
You could also use a pressure washer for outdoor concrete surfaces such as driveways or patios.
Use the edge of a scraper to remove as much of the paint as possible.
The abrasive material forced out under high pressure on the affected spot of concrete surface helps in paint removal.
This scrub action should remove most of the paint as well.
Apply paint stripper in a thick even layer on the concrete until the stripper is twice as thick as the paint on the concrete.
When you set out to remove paint from concrete the first thing to do is clean the surface of the concrete thoroughly.
Pour the solution on a small section of painted concrete and allow it to stand for 10 to 15 minutes.
It may require a couple of applications to achieve your goal.
Use a paintbrush or a paint sprayer to apply the paint stripper.
Shot blasters though costly can be used to remove paint stains from concrete.
You will want to apply behr s concrete stain paint stripper to remove as much as you can of the existing material.