Muriatic Acid Solution For Cleaning Concrete

What is etching concrete.

Muriatic acid solution for cleaning concrete.

Mix and apply the. Scrub this over the concrete and let sit at least ten minute to ensure that all the acid is neutralized. For many years it has been the standard cleaning method to prepare concrete for coatings installations to remove stains of any type from concrete and to remove concrete slurry or efflorescence from bricks. You know the muriatic acid is working if you can see it bubble as it reacts with the cement.

How to etch concrete with muriatic acid step 1. Muriatic acid is basically hydrochloric acid which is hydrogen gas dissolved in water. Acid etching is the process of applying hydrochloric muriatic or buffered phosphoric acid to a slab then rinsing it off with water. Dampen the surface to be etched with clean water.

Always add the acid to the water to help prevent acid. Clean the concrete surface. Apply the acid solution. The most common acids used to clean concrete and bricks are hydrochloric acid muriatic or phosphoric acid.

Laitance is a weak milky accumulation of fine particles of cement dust lime and sand fines on the surface of fresh concrete usually caused by an excess of water bleeding to the surface. How to use muriatic acid to clean concrete understanding muriatic acid. Mix the solution dilute the acid with water at a 1 to 4 ratio. Brush the diluted acid solution onto the stone using a stiff bristled plastic brush.

How do you use muriatic acid to clean concrete. Remove any dirt oil or other contaminants. Wear proper protection muriatic acid is highly corrosive. Avoid puddles or dry.

The concrete should be uniformly wet. It s often possible to skip safety equipment because of overzealous warnings but. Put on protective gear. Gather your equipment and supplies.

For many years it was a standard method of concrete preparation used by nearly all industrial commercial and institutional floor coating. Mix 1 cup of baking soda garden lime or household ammonia in 1 gallon of water roughly 250 ml in 4 l or follow label instructions on an acid neutralizing product.