If the concrete has been sealed it will have to be removed prior to staining as it will not allow the stain to permeate into the concrete. You can test for this by sprinkling water on the concrete, if it beads, it has been sealed.
Imperfections in the concrete such as minor cracks or a little oil staining can actually enhance the look, depending on the look you want to create. If is marble or stone these two things will help give character to it the overall design. It is important to know that staining will not cover flaws, but they may blend and become incorporated into the design.
There are many techniques that can be utilized with concrete polishing. When staining or polishing a cement floor or any other type of concrete surface, you can be extremely artistic when using this technique of staining. The concrete can be scored, etched, engraved and sandblasted. You can make any design using color of patterns or shapes, or you can create a floor the looks like wood with inlays, your floor can have any look you desire. The out come is limited only by imagination.
