Economically priced Bronze Series. Crafted from 25-gauge steel and finished with a durable baked on polyester top coat to withstand the elements. Tongue and groove section joint helps seal against weather and is easier to stack when installing. Rust-proof aluminum retainer with a vinyl floor seal. Long-lasting nylon rollers. Includes interior locking mechanism, rails, and automatic opener reinforcement. Wood grain textured classic raised panel design. 15-year limited paint system warranty, 3-year hardware warranty.