Galvalume® has a highly reflective, silver spangled color which weathers in unique patterns over the life of the roof for a rustic, natural appearance.* Galvalume® is the successor to the Galvanized coating that has been in use since the 1800's.
Accelerated Weathering (ASTM D 4587, ASTM G 154): 5000 Hours; Chalk, per ASTM D 4214, rating of 6 or better; Color, per ASTM D 2244, < 5ΔE (Hunter Units) color change. Humidity Resistance (ASTM D 2247): Galvalume or HDG, 100% RH, 2000 hours – No field blisters; Aluminum, 100% RH, 3000 hours – No field blisters DURASHINE® is the flagship retail brand of Tata BlueScope Steel, which offers roof and wall cladding solutions. The brand manufactures and sells roll formed colour coated steel roof & wall sheets, structural products and accessories.