If it s in a large outdoor area use a pressure washer.
Getting paint off of stained concrete.
Paint stripper for concrete removes layers of paint stain sealers and epoxy coatings.
If the paint doesn t come off add more thinner and repeat the steps.
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.
If it s a small stain use a wire brush or scraper to remove the remaining paint.
Convenient and easy to use water based formula cleans up easily with soap and water.
Apply paint thinner and leave overnight.
Spray the concrete stains with the soap solution.
Next apply a chemical paint.
Effectively removes coatings on both interior and exterior surfaces.
For more details on removing concrete porch paint see how to remove paint from a concrete porch.
Rinse the area and allow it to dry a few hours then scrape off peeling paint with a putty knife.
First use a stiff brush and a paint scraper to loosen the paint and vacuum up all debris.
Muriatic acid is extremely dangerous if inhaled and prolonged exposure can cause circulatory failure.
An effective method for removing paint stains from concrete is to use floor grinders with diamond wheels.
Layer of paste over the paint stain.
Suitable for application on both interior and exterior concrete and masonry surfaces.
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.
Cleaning old paint from concrete is similar to stripping paint from wood.
Chemical cleaning paint stripper may be useful for older stains covering small areas.
Let it sit on the wet stain for about 10 minutes or so then scrub in a circular motion.
It this doesn t work repeat using oxiclean instead of dish soap.
It should be used only if you plan to have a topping of cement because the grinder often leaves behind scrapes on the concrete.
Spread a 1 4 to 1 2 in.
Soda blasting is a great way to remove paint from large areas of concrete.
Paint stains on concrete completely disappear using this method leaving you with a clean surface for repainting if necessary.
Then wait 10 to 20 minutes while the stripper loosens the paint stain.
Buy the same types of paint strippers.
Try hand scraping and wire brushing off flaking paint on delicate surfaces or sand water blasting for concrete that can handle higher pressure cleaning.