How long will my galvanized coating last?

Probably a very long time is the short answer. The longevity of most galvanized coatings will be determined by how thick the coating is and how corrosive the local environment is.  The air pollution in the UK is very low with most area’s annual corrosion rates being around one or two microns or even less.  Some aggressive environments corrode zinc faster.  Click for more information on how long galvanizing lasts