How do cast iron outdoor chairs handle exposure to organic acids like bird droppings?

Cast iron outdoor chairs are known for their durability and classic appeal, but exposure to organic acids like bird droppings can pose challenges. Bird droppings contain uric acid, which can accelerate rust formation if left untreated. However, high-quality cast iron chairs are typically coated with protective finishes like powder coating or enamel to resist corrosion.

To minimize damage, promptly clean bird droppings with mild soap and water, avoiding abrasive tools that could scratch the protective layer. Regular maintenance, including reapplying sealants or wax, can further enhance resistance. While cast iron is sturdy, prolonged exposure to acidic substances may eventually compromise the finish, so proactive care is essential for longevity. For added protection, consider placing chairs under covers or in shaded areas to reduce exposure. With proper care, cast iron outdoor chairs can remain both functional and aesthetically pleasing for years.