We completed a professional restoration of an exterior metal staircase for a residential property in Washington, DC. Our team removed significant surface rust and oxidation from the diamond-plate steel treads and railings to stabilize the structure. We then applied a protective black finish to the entire assembly to ensure long-term durability against the elements. This project revitalized the building's entrance while maintaining the structural integrity of the stairs and landings. The final result provided a clean and refreshed look for the unit entrances that significantly improved the property's curb appeal.