But the binder in concrete portland cement is dissolved by an acid.
Muriatic acid to clean concrete garage floor.
For many years it was a standard method of concrete preparation used by nearly all industrial commercial and institutional floor coating.
You can also use acid in weaker concentrations to remove white mineral deposits efflorescence and heavy grime.
Mold rust and other stains can mar the clean beauty of your concrete lessening the visual impact and even the curb appeal of your property.
You should care because it provides some of the answers on how to clean this unique material.
While some stains can be rinsed away with a pressure washer tougher stains such as rust require an acid based cleaner like muriatic acid.
What is etching concrete.
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.
For example muriatic acid is sometimes used to clean concrete and masonry.
Spray the floor with water until it s completely wet.
Acid etching is the process of applying hydrochloric muriatic or buffered phosphoric acid to a slab then rinsing it off with water.
For stubborn stains use muriatic acid in combination with your pressure washer set to at least 1200 psi.
Acid washing also known as acid etching prepares a concrete surface to accept a sealer.
Acid washing is dangerous for people plants and metal objects especially indoors where fumes can concentrate.