MARSHALLTOWN The Premier Line RSLTGRY Slate Gray Perma-Cast Antiquing Release Colors Release is dusted over the surface of freshly colored concrete flatwork before using a pattern-stamping tool The release agent prevents the tool from sticking to the newly colored, freshly stamped concrete As the tool is pulled from the concrete the colored release powder is layered into the textured surfaces of the concrete Upon washing and sealing, the difference in color between the underlying concrete and the release creates a visually attractive, antiqued look WARNING: Colors may vary from those shown on the website due to lighting, application, usage or monitor settings