Cleaning Concrete Before Staining

Attempt to scrape any of the glue or caulk off of the floor with a putty knife or floor scraper.

Cleaning concrete before staining.

Sweep the surface with a push broom to remove debris. If you will be sealing your concrete after cleaning or need to clean a deck before staining look over our recipes for stain removal to bring back the original color of the material. The bad news for the fastidious homeowner is that. Hose the area and then sprinkle it with an oxygenated bleach oxiclean is one which won t harm your lawn or any plants lining your driveway.

For grease stains on concrete try scrubbing the stain with lacquer thinner or mineral spirits. Strip any curing agents or waxes remove any paints or glues ensure there is no grease or oils. A lot of people think they need to acid etch the concrete like they do before applying a paint or coating to get the paint to adhere. Because many oils and petroleum based contaminants can be hard to see until after the stain is applied we recommend that you first scrub the area with a concrete degreaser.

Carpet glue tile mastics water and urine stains chalk marks caulk grease stains paint drips and rust spots are just a few of the contaminants you may encounter once you remove an existing floor covering. 6 if scraping alone does not work apply either a nonflammable chemical stripper or a powdered hydrated lime paste to the stained area. A solution of tsp trisodium phosphate and a lot of elbow grease with a scrub brush would be your best bet. Before cleaning your concrete or even staining your deck you need to get rid of dirt and leaves that may be on the surface.

Hydrogen peroxide or ammonia also work well too. General soil most concrete or cement cleaning projects should begin with general cleaning of the entire surface. Acid etching is the process of applying hydrochloric muriatic or buffered phosphoric acid to a slab then rinsing it off with water. First before doing your final clean ensure the concrete is free from all contaminants.

Schmidt also warns against acid etching of floors before staining. Spray the concrete stains with the soap solution. But acid washing depletes the lime content which is what the minerals in the acid stain react with. Because acid stains need to penetrate into the concrete surface to work it s especially important that the concrete surface is completely clean.

Using a scrub brush with a long handle makes cleaning much easier. Sweep or use a blower to get rid of loose debris first. For many years it was a standard method of concrete preparation used by nearly all industrial commercial and institutional floor coating installers depending on the floor size and system to be installed. Another option would be to use a pressure washer to clean the concrete slab.

Your supplies are likely to be a bucket scrub brush and detergent.