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Sectional Steel Doors
When your facility demands a blend of thermal efficiency, structural strength, and reliable daily cycling, Overhead Door Commercial Sectional Steel Doors provide the ultimate solution. At Timbers-Kovar, we supply, install, and service a complete lineup of sectional steel doors engineered to withstand heavy commercial use, extreme wind loads, and harsh operating conditions.
Whether you need maximum thermal control for a climate-controlled warehouse or a rugged steel-ribbed door for a busy distribution center, our sectional steel doors keep your operations secure and running smoothly.
Available Models & Configurations
- Thermacore® Insulated Series (Models 591 / 592 / 596): Overhead Door’s flagship thermally efficient door featuring continuous CFC-free polyurethane insulation foamed-in-place between interior and exterior steel skins. Delivers exceptional thermal ratings (R-value up to 17.5) and superior air infiltration defense.
- Heavy-Duty Steel-Ribbed Doors (Models 420 / 430 Series): Constructed with deep-embossed, ribbed galvanized steel panels designed for heavy industrial use. Offers long-lasting performance and high impact resistance for loading docks and equipment maintenance bays.
- Flush & Architectural Steel Doors (Models 515 / 525 Series): Features a smooth or textured flush panel design that combines structural steel strength with a clean, modern aesthetic for commercial offices, banks, and municipal buildings.
- Track & Hardware Options: Available in standard lift, high lift, vertical lift, low headroom, and roof-pitch track configurations to fit any building ceiling layout.
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