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. Dissolving the glue holding all that sand and aggregate together is not a great idea. Spray the floor with water until it s completely wet. Pour dry dishwasher detergent or a concrete cleaning agent on the stain. Acid etching is the process of applying hydrochloric muriatic or buffered phosphoric acid to a slab then rinsing it off with water.

Acid washing also known as acid etching prepares a concrete surface to accept a sealer. Let the detergent sit for 45 minutes then pour boiling water on the area and vigorously scrub the stained section with the broom. Muriatic acid is one of the stronger acids so you ll need lots of caution and safety gear rubber boots or coveralls respirator mask safety goggles and thick gloves step 4 apply the acid before you can apply the acid wash to the flooring you have to first lay a layer of water. While some stains can be rinsed away with a pressure washer tougher stains such as rust require an acid based cleaner like muriatic acid.

For many years it was a standard method of concrete preparation used by nearly all industrial commercial and institutional floor coating. For stubborn stains use muriatic acid in combination with your pressure washer set to at least 1200 psi. For example muriatic acid is sometimes used to clean concrete and masonry. You can also use acid in weaker concentrations to remove white mineral deposits efflorescence and heavy grime.

What is etching concrete. 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.