Phosphoric Acid Garage Floor

Both types of acids can remove rust from concrete flooring. Phosphoric acid can emulsify oils something that hydrochloric acid is not capable of doing. This ensures a more even application.

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Rather than pour all of the acid onto one spot of the floor which can leave some of the acid spent by the time it reaches the far corners of the concrete use a plastic sprayer or watering can.

Phosphoric acid garage floor.

Start on an area of concrete that isn t too noticeable. Allow the solution to remain on the surface for about five minutes as you continue scrubbing with the brush. This is usually considered a concrete preparation step prior to the application of an epoxy floor paint garage epoxy. Apply the diluted phosphoric acid to the concrete with a nylon scrub brush.

Use a sprayer or watering can to distribute the acid. Acid etching is the process of applying hydrochloric muriatic or buffered phosphoric acid to a slab then rinsing it off with water. 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 etching as a surface preparation is the process of applying an acid solution to a concrete surface allowing the acid to react with and etch the concrete.

Professionals recommend testing the strength needed on one area before applying it on the entire garage floor. Do not allow the phosphoric acid to dry on the concrete. Mix 1 part acid to 3 parts water for sufficient strength.