Can I apply TotalBoat Topside Primer to a metal surface? Annette DiOrio August 12, 2021 16:10 Updated No, do not apply TotalBoat Topside Primer directly to any type of metal surface. For metal surfaces, such as steel and aluminum, apply TotalBoat 2-Part Epoxy Primer to these properly prepared surfaces, as directed. Related articles Which TotalBoat bottom paint is best for underwater metals? What type of surface preparation is needed before applying marine topside paint? Can I apply TotalBoat Aluminum Boat Paint below the waterline? Can I apply TotalBoat Polyester Structural Repair Putty to a metal surface? Can I prime bare metal with TotalBoat 2-Part Clear Epoxy Primer? Comments 0 comments Please sign in to leave a comment.