It comes in steel or aluminum options. Great for maintenance free lifestyle.  Steel is an alloy, made from iron and carbon, meaning it rust… eventually. Steel is a strong, powerful and long-lasting fencing material. It is heavy and resistant to damage, impact, and wind. Most steel fences are treated with powder coating to prevent rusting, making it a minimal maintenance fence. Steel fencing is preferred for commercial and industrial fencing because of its strength and durability. Aluminum Fencing is lighter than steel and less expensive. It's a great choice compared to the heavier steel.