To remove pour one eighth of a cup of liquid dishwashing detergent into a spray bottle then top off the bottle with warm water and shake well.
Getting paint off of stained concrete.
It this doesn t work repeat using oxiclean instead of dish soap.
Before you can apply a concrete paint clean it with degreasers to get rid of any oil or grease stains followed by muriatic acid to remove any curing chemicals on the concrete s surface.
Soda blasting is a great way to remove paint from large areas of concrete.
If it s in a large outdoor area use a pressure washer.
Rinse the area and allow it to dry a few hours then scrape off peeling paint with a putty knife.
Apply paint thinner and leave overnight.
Soda blasting is also an environmentally friendly way to remove paint from concrete and causes no damage to the underlying concrete.
If the paint doesn t come off add more thinner and repeat the steps.
If it s a small stain use a wire brush or scraper to remove the remaining paint.
Paint spills on a concrete floor can be vanquished with commercial cleaners.
Try hand scraping and wire brushing off flaking paint on delicate surfaces or sand water blasting for concrete that can handle higher pressure cleaning.
Next apply a chemical paint.
Spray the concrete stains with the soap solution.
It should be used only if you plan to have a topping of cement because the grinder often leaves behind scrapes on the concrete.
Suitable for application on both interior and exterior concrete and masonry surfaces.
Paint stains on concrete completely disappear using this method leaving you with a clean surface for repainting if necessary.
Effectively removes coatings on both interior and exterior surfaces.
Buy the same types of paint strippers.
Convenient and easy to use water based formula cleans up easily with soap and water.
Muriatic acid is extremely dangerous if inhaled and prolonged exposure can cause circulatory failure.
Then wait 10 to 20 minutes while the stripper loosens the paint stain.
Chemical cleaning paint stripper may be useful for older stains covering small areas.
Scrub a mixture of dish soap and water on to the stain and rinse it off using high pressure from a garden hose with a nozzle.
Spread a 1 4 to 1 2 in.
First use a stiff brush and a paint scraper to loosen the paint and vacuum up all debris.
Let it sit on the wet stain for about 10 minutes or so then scrub in a circular motion.
For more details on removing concrete porch paint see how to remove paint from a concrete porch.
Cleaning old paint from concrete is similar to stripping paint from wood.