Muriatic Acid Stain Concrete

A smooth concrete floor must be roughened before paint will stick to it.

Muriatic acid stain concrete.

In these products the muriatic acid is mixed with a stain color. It is also the primary component in most concrete staining products. Acid etching is the process of applying hydrochloric muriatic or buffered phosphoric acid to a slab then rinsing it off with water. Muriatic acid can work wonders on filthy concrete and it can also be very useful in cleaning excess smears of dried mortar and grout or when attempting to alleviate tough rust stains.

Muriatic acid is a strong acid cleaner used on masonry surfaces to clean stains. Muriatic acid should never be used indoors and has to be thoroughly neutralized before disposal. Muriatic acid acts like liquid sandpaper by roughening the surface of the concrete. The surface becomes etched and clean which allows for the proper adhesion of a new coating.

Mix 3 to 4 parts water with 1 part acid or follow label instructions for a 10 concentration 15 for hard smooth concrete. Rust stain on concrete. The acid works well on concrete and on many masonry projects because it neutralizes alkalinity. The muriatic acid etches the concrete allowing the color to seep into the concrete.

You roughen such a floor by etching it with muriatic acid. This video is not to be used by children or anyone t. These solutions are for etching the concrete. Despite its effectiveness muriatic acid should be used on concrete stains only if you ve tried gentler alternatives to no avail.

It also reduces the surface alkalinity of the concrete that can cause some paints to adhere poorly. Muriatic acid is commonly recommended to clean and remove rust stains from concrete. Muriatic acid is the strongest acid available to the public. Have tried everything including scrubbing the hell out of it.

If the acid comes in contact with skin wash it away with large amounts of water. With proper use it removes stains when other cleaners fail.