Cheap Factory Price Board for Roof Structural Insulated Concrete Wall Panels Sandwich Panel

This hangar size is 32 meters by 30 meters, height is 9 meters, Client will install Overhead crane (Lifting capacity 5 tons).The main steel frame is made of High strength (S355b) I beam, Wall and Roofing are Dark gray color steel sheet, with roller up doors and long fixed windows on top. Moreover, we also included the Roof ventilation. The complete solution will make the hangar strong, durable, long life span and also suitable for working and stocking inside.