Commercial Sectional Steel Doors

Engineered to deliver advanced performance in commercial and industrial applications, this door features the highest thermal performance values published by any major US manufacturer of 3" commercial insulated sectional doors.

This heavy-duty, thermally efficient door fits a wide range of opening sizes and the spectrum of applications making it the most-specified insulated sectional door in the industry.

The 511 Series are designed in sizes up to 16'2" 4928mm) wide and 16'1" high (4902mm). Featuring a narrow center stile width of 21/32" (16mm), these doors are sleek, attractive and permit maximum visibility. An array of glazing choices, top and bottom rail widths, finishes and special options customizes the 511 Series to satisfy nearly any project requirement.

The 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, 2-11/16" (68mm) center stile, 3-3/4" (95mm) or 4-1/2" (114mm) bottom rail, based on door size.

The 416 Series is manufactured of 16-gauge, flush, galvanized steel exterior for enhanced strength and durability. These 2" (51mm) thick doors are available in sizes up to 32´2" in width and 21´1" in height (9804mm x 6426mm). Available with an array of options, the 416 Series can be easily customized to meet any project requirement where an extra heavy-duty door is required.

Overhead Door Corporation’s Knock & Lock™ Breakaway Door System is the industry’s only self-resetting, impact-resistant dock door available. The rugged Knock & Lock™ is designed for higher productivity, energy efficiency and costs 35% less than a complete breakaway door, making it the ideal choice for any dock environment. In addition, the Knock & Lock™ Breakaway Door System offers a rugged, puncture-proof interior skin with a steel exterior for years of trouble-free service. Every panel is polystyrene insulated to 2 inches, providing an R-value of 8.56, and has dual slide locks on the bottom section for security. Every Knock & Lock™ Breakaway Door System is backed by an industry leading 10-year warranty*. Whether the application requires a breakaway door system or simply breakaway sections for retrofit applications, the Knock & Lock™ Breakaway Door System is the perfect solution for facility managers and architects alike.

The 420 Series door is designed for heavy-duty use in a variety of commercial and industrial applications. The 420 Series features a 2" (51mm) panel thickness, 16-gauge steel intermediate and end stiles, ribbed steel exterior and a white paint finish. The 420 Series is a 20-gauge steel door available in sizes up to 31´2" in width and 24´1" in height (9500mm and 7341mm).