Muriatic Acid To Clean Concrete Garage Floor

But the binder in concrete portland cement is dissolved by an acid.

Muriatic acid to clean concrete garage floor.

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. Acid etching is the process of applying hydrochloric muriatic or buffered phosphoric acid to a slab then rinsing it off with water. For example muriatic acid is sometimes used to clean concrete and masonry. Pour dry dishwasher detergent or a concrete cleaning agent on the stain.

You can also use acid in weaker concentrations to remove white mineral deposits efflorescence and heavy grime. Acid washing is dangerous for people plants and metal objects especially indoors where fumes can concentrate. For stubborn stains use muriatic acid in combination with your pressure washer set to at least 1200 psi. For many years it was a standard method of concrete preparation used by nearly all industrial commercial and institutional floor coating.

Let the detergent sit for 45 minutes then pour boiling water on the area and vigorously scrub the stained section with the broom. Dissolving the glue holding all that sand and aggregate together is not a great idea. What is etching concrete. Spray the floor with water until it s completely wet.

While some stains can be rinsed away with a pressure washer tougher stains such as rust require an acid based cleaner like muriatic acid. You should care because it provides some of the answers on how to clean this unique material.