Are usually used in case of high lintel and limited space on the sides of the opening. They are custom-made according to the customer’s dimensional requirements. They are tested according to European standards and approval of Building Research Institute No. AT-15-8452 / 2013.
Door closing is typically gravity-operated or using one of the offered electric motors. The door may be supplied with an emergency exit door with or without a threshold, and equipped according to individual needs. Doors are available in a smoke control or an Ex version.