Sunlux Aerofoil Aluminium exterior sun shading aerofoils can be installed in a horizontal or vertical application with our unique system (including static), they are suitable for various of façade designs and are the preferred choice for indoor cooling by means of outdoor sun shading on modern commercial buildings large-scale glass curtain wall, windows, and glass roofs. The choice of louvre colour is as per the designer, architect or building owner or developer requirements.