Acid staining is the use of very tiny metal particles in an acid water solution applied to a properly prepared floor. The liquids in the solution act as the carrying agent for the metal particles to penetrate into the pores of the concrete. When the water evaporates and the metals contact air, they oxidize. This is the same concept as rust. For anyone who has ever placed iron on a concrete floor only to find they have a rust stain they can't remove, that's concrete staining!

We provide the same service, however, we apply the metals in a much more controlled and consistent fashion to impart the coloring into the concrete and produce a mottled look, almost like the coloring of an old leather chair. Since certain metals oxidize into different colors, concrete floors can be stained in a variety of colors. Iron produces a brown/orange color, what most people call "rust". Copper produces a greenish blue color; manganese creates darker shades, and so on and so on.


Once the colored floor is achieved, the floors are sealed to enhance to richness of the color and protect the concrete to prevent "stain walk-off". This is where the industry falls short. On many stained floors we see in commercial applications, the sealer wears away and the concrete stain starts to disappear or worse, starts to darken as dirt and grime are pressed into the concrete pores producing unsightly walkways. What was once a unique floor that the owner took great pride in becomes an eye sore that no one seems to know how to fix. This is where PolyTech's experience in industrial flooring saves the day. As our customers consist of clients like such as Caterpillar, John Deere, Ford Motor Company, and many others with very aggressive floor traffic, we understand how to seal acid stain floors so they can perform for years in commercial applications with only an occasional broom or mop for maintenance. Although this will obviously cost more than a low end sealer, a high quality protective topcoat over a stained floor is actually the best value in the industry as most reputable floor installers will agree.

If you want a "one of a kind" floor, call us to discuss the process of acid staining and see if it is right for you.

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