The Sectional Overhead Doors, by BG DOOR, are for industrial use and all types of business units; for interior as well as exterior use. The door consists of sections. The sections are structured according to the sandwich principle and are approx. 40 mm thick. The insulation core consists of CFC-free solid polyurethane foam. The interior and exterior sheet, consisting of 0.5 mm thick galvanized steel plate.A thermal partition between the interior and exterior sheet guarantees a high insulation value. The sophisticated panel connections with sealing that remains supple, in combination with adequate sealing around the door leaf, ensure that wind and water are kept outside.More information Other workflow doors by BG DOORSpeed Roll DoorHoist Up Door