Cronax Sectional Overhead Doors are the perfect combination of strength, energy efficiency, and modern automation. Designed for industries such as logistics, manufacturing, automotive, and warehousing, they maximize space utilization with their vertical opening and overhead sliding design, ensuring more floor space for operations.

Crafted with precision-engineered insulated sandwich panels and heavy-duty hardware, these doors offer outstanding durability while reducing energy loss. With excellent sealing against dust, wind, and rain, they guarantee a secure and controlled environment inside your facility. Their versatile design also allows customization with glazing options, pedestrian doors, and multiple finishes to match both industrial and commercial aesthetics.

Technical Overview

The doors are constructed with 40 mm thick double-skinned sandwich panels filled with CFC-free polyurethane foam. This ensures excellent insulation with a U-value of around 1.1 W/m²·K, going as low as 1.0 W/m²·K in premium models. The panel design also offers noise reduction of up to 25 dB, making them suitable for noise-sensitive environments.

Tested and certified to CE and EN 13241-1 standards, these doors provide wind resistance and air tightness up to Class 3. They can withstand harsh weather, ensuring longevity in industrial and commercial settings. Doors are supported by galvanized tracks, torsion springs, and heavy-duty rollers for smooth, quiet operation. Can be operated manually, by chain-hoist, or powered with electromechanical motors. The motor system is designed for intensive use and includes emergency override options.

Equipped with spring-break devices, cable-break protection, photoelectric safety sensors, and automatic stop functions, Cronax sectional doors are engineered for maximum user safety. Available in sizes up to 8,000 mm wide and 8,000 mm high, they can be customized with partial or full glazing, pedestrian pass doors, and a wide range of finishes and colors to suit customer requirements.