The fence system is made of two-sided zinc galvanized steel that is cleaned, primed and has an architectural grade powder coating baked on at the factory. The powder coating adheres exceptionally well due to the primer and is applied uniformly to protect the metal, similar to the body panels of a car.
If the rails or posts are scratched, they will protect themselves with the self-healing effect of the zinc galvanized coating. No water can get under the coating. There are no fasteners to rust or compromise the coating.
In normal environments, the coating and galvanizing will prevent rust for over 20 years. It’s similar to a new car parked for 20 years with no dents, nicks or exposure to road salt.