Our Industrial Sectional Overhead Doors are specifically designed to suit the modern industrial architecture. We offer a complete range of Industrial Sectional Overhead Doors,???either insulated sandwich panel doors or???glazed doors. They provide good air tightness and insulation. They can also be supplied as fully covered or semi-glazed versions for optimal daylight exposure. These Sectional Overhead Doors are made of high grade pre coated galvanised steel. Sandwich panel 40 mm / 80mm Thick filled Polyurethane Foam. Environment-friendly PUF insulated panels.