Therma-Tru Smooth-Star® Sliding Patio Door System features the smooth look of fine painted wood with the durability of fiberglass. They won’t dent, ding or rust like steel patio doors. It features a factory finished exterior in your choice of White, Almond, Stone or Bronze and an interior that can be painted to match any décor. A fully pultruded fiberglass frame and sill add superior strength and durability. Other features include flush-glazed tempered Low-E insulated glass, stainless steel hardware, a multi-point locking system, and a spring-loaded footbolt. It also carries a 20-year limited warranty.