Tata BlueScope Steel offers Satin Silver Sheets coated with 55% Aluminium-Zinc alloy that last up to two to three times longer than Zinc coated steel sheets in similar environments The blending of aluminium with zinc gives a protective coating with excellent luster and high strength. The alloy coating provides superior corrosion resistance and better thermal efficiency than other building materials. Satin Silver Sheets are light-weight and require a lesser amount of framing in roofing design.