Powder finish versus anodizing was an eye-opener: powder supplies rich structures and shade depth

https://www.scribd.com/document/1042186110/Snow-Guard-Truths-Copper-s-Unequaled-Longevity-in-Alpine-and-Coastal-Projects-173583

Powder layer versus anodizing was an eye-opener: powder uses abundant textures and shade deepness, while anodizing exposes light weight aluminum's metal clarity with remarkable UV durability.