Radar, the building that houses the most famous aircraft in the history of German aviation, Junkers Ju 52 is made with metal coating Rib-Roof. the chosen material, 1mm thick aluminium, allow for the necessary curvatures required by the design. Rib Roof Speed 500 RAL 7011 elements have lengths ranging from 19 to 39.75ml. The management of thermal expansion through the clips integrated into the system can withstand temperature changes between -20 ° and + 80 ° without creating dangerous voltages.