Do wrought iron bins require zinc-rich primers for coastal use?

Yes, wrought iron bins absolutely require zinc-rich primers for coastal use. The marine environment presents particularly harsh conditions for metal furniture due to salt spray and high humidity, which dramatically accelerate corrosion. Zinc-rich primers provide superior protection through cathodic protection - the zinc particles sacrificially corrode before the iron substrate, effectively stopping rust formation at its source. This galvanic protection continues even if the topcoat becomes scratched or damaged. For coastal applications, multiple coats of zinc-rich primer followed by marine-grade topcoats create the most durable finish. Without this specialized priming system, wrought iron bins in coastal areas would quickly develop rust stains and structural deterioration, significantly shortening their usable lifespan. Regular maintenance and recoating become necessary more frequently in salt-rich environments.