Repair, replace and update your gate system with functional and decorative hardware. Latch has a secure floating bar mechanism with protective box design that compensates for up to 1/2-in sag. WeatherGuard - When subjected to 312 hours of salt fog spray testing (BHMA A138.18), zinc plated hardware showed severe corrosion while hardware with WeatherGuard protection withstood these harsh conditions with very little deterioration.