General information about Decorative Concrete (a.k.a. Acid Stained Concrete Dallas): The transformation of concrete floors into decorative stained concrete flooring is achieved through the use of a variety of materials (usually acidic compounds) that may be applied after the concrete is cured. These materials and/or systems include but are not limited to stamped concrete, acid staining concrete, decorative overlays, polished stained concrete, concrete countertops, vertical overlays and more.