The Top Cap that you know & love, now in a Smooth Finish. Top Cap is a one component, low-build overlay that makes it easy to revitalize existing concrete without expensive removal or replacement. Restore a standard broom finish or create a new smooth finish for staining, stencils & more. Use Top Cap to turn sub-floor concrete into main flooring after removing carpet or tile and to provide beauty & durability for years to come. Top Cap is suitable for interior or exterior use and is engineered to stand up to a harsh freeze-thaw environment.