Why is cast iron outdoor seating rarely powder-coated?

Cast iron outdoor seating is a popular choice for its durability and classic aesthetic, but it is rarely powder-coated. The primary reason lies in the material's properties and the challenges of applying powder coating effectively.

Cast iron is porous and prone to rust, requiring frequent maintenance. Powder coating, while durable on other metals, may not adhere as well to cast iron's uneven surface, leading to chipping or peeling over time. Additionally, cast iron expands and contracts with temperature changes, which can crack the powder-coated finish.

Instead, cast iron furniture is often painted or treated with specialized rust-resistant coatings that flex with the metal. These finishes are easier to touch up and maintain, making them a more practical choice for outdoor use. For long-lasting protection, regular cleaning and reapplying protective coatings are recommended.

While powder-coated aluminum or steel may offer lower maintenance, cast iron remains favored for its strength and timeless appeal, despite requiring more care.