Typically any operator-approved topcoat such as urethanes, polyurethanes, and acrylics, can be applied over Protal 7200. Archco 65 is the Topcoat of choice over Protal 7200 and other coatings to provide long-term UV protection and prevent chaulking. Learn more about Archco 65 here https://www.densona.com/products/archco-65/