Overhead Door Corporation's aluminum sectional doors offer an attractive solution for commercial and industrial applications where visual access, light infiltration and aesthetics are key design considerations.  Offered with a varietyh of stile widths, glazing materials, track styles and finish options -- and in sizes up to 26'2" (7976mm) wide and 20'1" (6121mm) high -- these doors feature 1-3/4" (45mm) sections and 1/4" (6mm) diameter through-rods for strength and stability.  A clear anodized 204R-1 standard finish affords corrosion resistance, and bronze anodization and a spectrum of powder-coating paint finishes are additionally available.  Ideal for service stations, fire stations, professional facilities and retail environments, our sectional aluminum doors are practical, durable and handsomely styled -- and engineered for long life, low maintenance and enduring beauty.

• 521 Series is a sectional aluminum door appropriate for environments where maximum light infiltration and/or visual access is required.  Designed to fit openings up to 26'2" (7976 mm) wide and 20'1" (6121mm) high, the 521 Series features a wide, 2-3/4" (70mm) center stile, 3-3/4" (95mm) or 4-1/2" (114mm) bottom rail, based on door size.