Plus, a tightly troweled concrete surface can be slippery in general. For already finished concrete, you should take stock of your surface finish before acid staining. Pour a little water on the patio ...

Once the hydrochloric acid breaks through the tight cream at the surface of the concrete, the metallic salts get in and react chemically with the free lime at the surface of the concrete.

Acid staining after you’ve cured the concrete will provide variegated hues that bring out the concrete’s natural character. Sealants are the last step in finishing a concrete floor and will ...

Unlike dyes, concrete stains are generally classified into three categories: film-forming, penetrating and acid stains. All three types of stains come in a variety of colors, tints, shades and ...