Paint Concrete Floor Without Etching. Clean the surface thoroughly, removing dirt, oil, grease and any other substances that may prevent the paint from adhering to the concrete. Mix 1 part acid to 3 parts water for sufficient strength. Acid etching is the process of applying hydrochloric/muriatic or buffered phosphoric acid to a slab, then rinsing it off with water.
Though it's a little less common to paint a concrete floor than it is to paint a concrete wall or ceiling, some decorators can create breathtaking interior spaces with the help of painted concrete floors. Using a solution of trisodium phosphate (tsp) and warm water, clean the concrete floor or surface thoroughly, removing all the oil and grease that would otherwise discolor the paint job. Etching produces microscopic depressions in the surface that give it tooth. you can do this with a.
Gallery of Paint Concrete Floor Without Etching
For this reason, painting a concrete floor that is contaminated with oil or grease poses special issues. Repair spalling, pitting, cracks and holes; Concrete paint won't stick to a smooth concrete surface unless you first etch the surface. Select a primer that's compatible with both concrete and the epoxy paint that you'll use as a finish coat.