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