Wood Louvers for sun control are our specialty. Cypress and Western Red Cedar are a specialty but we can furnish anything that we can form well and finish appropriately. A TIP... louver systems and the glass behind are usually cleaned with pressure washing equipment by maintenance people.
Research work confirms the practical experience:
Retractable sun shading placed in front of the window such as exterior Venetian Blinds and operable sun control devices achieve the most effective results.
** See Test Report "Effect of Color on surface Temperature of Facades and Exterior Venetian Blinds-Temperature Data"