Introduction to Touch-Up and Repair of Hot-Dip Galvanized Steel 

This how-to video introduces the process of touch-up and repair for hot-dip galvanized steel, which is key to ensuring coating longevity and continued corrosion protection. The method to repair hot-dip galvanized coatings is contained in ASTM A780 and includes three acceptable materials: Zinc-based solders, zinc-rich paints, and zinc spray or metallizing.
More information regarding touch-up and repair of galvanized steel can be found on the AGA website: www.galvanizei...
Thank you to the following organizations and companies for providing additional footage: New York State Thruway Authority, Short Span Steel Bridge Alliance, AZZ Galvanizing Services, and Corbec Inc.