1,made of galvanized steel sheet in coil, 2,easy installation 3,cheap in price 4,long and wide 1.Item: Corrugated Steel ... .Model: YX18-63.5-8253.Raw material: Colored Galvanized Steel Sheet in Coil4.Spec: Width before corrugation: 1000mm Effective using width ... :light in weight, high strength, water-resistant, easy to install, cheap in price9)Application:roofs10)Lifetime: 15 years