Shade louvers in anodized aluminum withstand chalking, supply crisp lines

https://www.scribd.com/document/1053571856/Architectural-Shade-Cruises-Arizona-Sculptural-Shade-for-Campuses-206984

Shade louvers in anodized aluminum resist chalking, supply crisp lines, and can be angled to block high summer season sun while welcoming lower winter season light.