Quality Alu-Zinc Roofing Sheets Kerala Alu-zinc is an aluminum-zinc laminate steel sheet which can be used unpainted up to consuming class C3. The covering alloy consists of: The name AZ150 displays the coat weight of 150 g/m2 per double side. A correctly installed zinc roof can last over 80 years. The Zinc also has a low reflectivity as well as an attractive appearance that only gets better as the ages pass. The main 10 advantages of aluminum roof sheets Easy installation Strong Lightweight roof sheets Aluminum roof sheets are corrosion resistant Energy-saving Environmentally friendly Robust aluminum roof sheets boast longevity. Malleability. Why is Aluminium used for roofing sheets? Aluminum roofing sheets are fire-resistant and non-flammable, and their admirable strength mixed with a great energy consumpt...