If the pressure washer method of removing paint from concrete doesn t work or the paint is located somewhere you can t get wet then using a floor grinder is going to be your next best bet.
Getting old paint off concrete floor.
For this stage of the job so long as you re working on a compact concrete patch you can probably get by with a wire scrub brush or a paint scraper.
It should be used only if you plan to have a topping of cement because the grinder often leaves behind scrapes on the concrete.
Soda blasting is a great way to remove paint from large areas of concrete.
Spread an even layer of the superabsorbent paint stripper over the paint stains and allow it time to do its work.
React quickly while the paint is still wet using an old rag to mop up as much of the spilled paint as possible taking care not to spread paint.
If required you can use more than one technique on the same concrete stain for effective results.
Using a floor grinder with a diamond grinding wheel can be another effective method for removing paint from concrete.
Sweep the area with a broom to get rid of any loose dirt and debris.
Paint stains on concrete completely disappear using this method leaving you with a clean surface for repainting if necessary.
Use a paintbrush or a paint sprayer to apply the paint stripper.
The absorbent material would help soak and lift the paint off the concrete surface which will make the paint easier to be scraped off later on.
In order to get a clean look from fresh paint or to revert to a bare concrete look you will need to begin the project by removing.
Spread the paste over the affected area and allow it to sit.
Soda blasting is also an environmentally friendly way to remove paint from concrete and causes no damage to the underlying concrete.
An effective method for removing paint stains from concrete is to use floor grinders with diamond wheels.
Apply some force when using the putty knife to effectively lift the paint from the surface.
Paint can be applied to the concrete to gain a fresh new look.
Using either hand sanitizer or a soap cleaning solution made from 2 tablespoons dishwashing detergent and 1 gallon warm water scrub with a wire or heavy duty brush to lift up the paint.
Remove paint stripper residue.
Over time layers of paint will build up on the concrete and eventually begin to flake and peel.