Decorative Concrete Masters ( DCM ) Since March 1, 2015 DCM is a premier specialty contractor providing creative solutions for all of your decorative concrete needs. We specialize in decorative concrete with the use of polymer, modified cement based overlay applications; combined with staining and sealing, or epoxy and polyurethane coatings on new or used residential and commercial surfaces. From thin concrete overlays to antiquing stains or integral colored epoxy, we can achieve seamless floors; slate trowel finishes; and old world stone finishes. Including, but not limited, to the look and feel of authentic stone, slate, tile, brick, marble, wood and granite and can be customized to match or enhance any theme."