Acid Etching Concrete Patio

Advantages of acid etching.

Acid etching concrete patio.

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. Acid washing is dangerous for people plants and metal objects especially indoors where fumes can concentrate. However the debate on whether it is still acceptable to do is confusing homeowners. How to etch concrete with muriatic acid step 1.

Acid stain concrete slab clean the concrete thoroughly with a scrub brush to remove any dirt or oil and rinse off any residue with a garden hose. Acid washing also known as acid etching prepares a concrete surface to accept a sealer. A concrete patio may have a smooth shiny surface that makes it slick when wet or that prevents paint or sealer from adhering. To begin remove any any all furniture vehicles and other obstructions from.

The concrete should be uniformly wet. Cover any surrounding surfaces to prevent damage to unstained areas. Acid etching is the process of neutralizing a concrete surface through the use of muriatic or phosphoric acid. You can also use acid in weaker concentrations to remove white mineral deposits efflorescence and heavy grime.

Grab muriatic acid or another suitable etching acid. Remove all furniture equipment and objects from the concrete floor you are going to be etching sweep up or shop vacuum any dust and dirt. Remove any dirt oil or other contaminants. Dampen the surface to be etched with clean water.

Spray the slab down lightly with water from a garden hose to dampen the concrete. Clean the concrete surface. Use degreaser for oil or. Should it be done or not.

Preparing to etch 1. Muriatic acid can cause. I applied a concrete stain to a large 8 year old concrete patio in reno nevada an area subject to somewhat extreme temperature variations. Acid washing prepares a patio for painting and makes it less slick.

Acid washing etches the upper layer of cement exposing more of the sand in the concrete mixture and making the surface feel rougher. Acid etching is used to extrude and fabricate concrete. Put on protective gear. Avoid puddles or dry.

I initially washed the patio with a mix of muriatic acid and water to clean it. Before you start your etching you ll want to make sure you have. Acid etching is the process of applying hydrochloric muriatic or buffered phosphoric acid to a slab then rinsing it off with water. Clear the concrete of any obstructions.

This has been the standard method for preparing the concrete slab for a coating or overlay.