Modulit® 520 HC is a polycarbonate system for the production of translucent vertical curtain walls to use in industrial and civil constructions. The system is made by multiwall extruded polycarbonate panels with honeycomb structure, thickness of 20 mm, module width 495 mm and UV protection obtained by co-extrusion on the external side. The system is made by means of panel coupling, provided by “male / female” joints for a perfect fit; perimeter profiles aluminium complete the fixing structure. Easy and economical installation, Modulit® 520 HC allows excellent light transmission, high load resistance and thermal insulation.