The acid stain will work on any concrete, colored or gray. The big difference will be the final color. With smooth gray concrete, you can more accurately predict what the final color will be. It will be easier to play with non-reactive tinted concrete. You'll be able to see the color of the finished product, although it's always a good idea to run some tests.
There are two ways to dye concrete with different colors. One is to mask a pattern and use two different colors to fill the section. The other way is to dye the floor with a light color and then use a painting technique to apply a darker color and create a marble effect. You can create any design imaginable with spots. You can even mix and match different colors of acid spots, or use acid spots along with water-based stains to get wider color varieties.
The first step for colored concrete is to choose its shade. But, it's not just about selecting a color and running with it. Knowing what colors are available, as well as a general appreciation of how the basic colors of acid stains for concrete can be superimposed and combined for infinite variety and depth are vitally important to the process. Each application is unique and the combination of different colors can create amazing results. When used in conjunction with acid dye colors for brown or red concrete, sky blue creates a striking similarity to real marble.
Sky Blue Acid Concrete Dye should never be applied to a wet or damp surface, as this results in black and brown spots on the stain surface. Sky blue is only recommended for indoor projects. This versatile dye can be applied with most other acid concrete stain colors. Avocado Acid Concrete Dye should never be applied to a wet or damp surface, as this results in black and brown spots on the stain surface. Avocado is recommended for indoor projects only. As you can see, this type of concrete dye is available in a wide variety of color options, from muted brown to green or deep blue.
In addition, several colors can be applied to the same floor to create a natural effect. People often worry if the age of concrete prevents it from staining with acid and if they need to resort to using acrylics to stain their old concrete. The process for acid dyeing old concrete is not that different from dyeing new concrete, with a few exceptions. Malayan Buff Concrete Acid Stain is one of the best color choices for many contractors because of its neutral shade and simple application. This polished concrete floor design was created with a cut of desert amber with a part of water as the base color highlighted with “wet on wet” brown coffee. If the concrete still looks uneven or dry, you can apply additional layers to smooth it out. Because acid stains are reactive, installation requires more time than other types of concrete staining.
Desert Amber, Malayan Buff & Changeable sand concrete acid stains were used to create this eye-catching fire table. Rub the floor lightly with a stiff bristle broom to lift the sticky film created by stain and ammonia. Another example of a “wet on wet” marbled effect on concrete floors with acid spots, coffee and seaweed. This can be especially beneficial in commercial applications, where concrete is more likely to have been discolored by contaminants. Craftsmen often use cola, Malaysian buff, and brown acid dyes to create fake wood grain on concrete surfaces. Allow the stain to dry on the floor for about two to four hours, depending on how dark you want the color to be.
Brown acid dye is often used as an accent color to create a marbled effect on concrete surfaces. A Patterned Concrete Yard Dyed with Acid Dye for Concrete Glue and Sealed with Direct Colors Satin Finish Solvent-based Acrylic Concrete Sealant. The marbled result and vibrant colors are characteristic of the reaction of concrete acid stains to concrete surfaces.