Prolouver Aerofoil aluminum exterior sun louver can be installed vertical, horizontal or angled. They can be installed in a fixed position or can be adjustable manually, by motor with switch control. It is suitable for various of sun shading of modern commercial buildings large-scale glass curtain wall, windows, and glass roof as awning, with grand building structure.

Aluminum louver blades can be horizontal overhang installed,which is specially designed for building with less sunlight,with the installation in open area or above window level allows the system to protect sunlight and expose clear view to eyesight.