Shade louvers in anodized aluminum resist chalking, offer crisp lines
https://www.livebinders.com/b/3715662?tabid=b5248e76-1fb9-0440-47e6-5e8e144e33fe
Shade louvers in anodized aluminum resist chalking, supply crisp lines, and can be angled to obstruct high summertime sun while inviting lower winter season light.