... :GAVANIZED STEEL SHEET, AL-ZN COATED STEEL SHEET 2.Thickness:0.17-0.8MM PPGI Steel Coil Pre painted galvanized steel sheet in coil 1.BASE MATAL:GAVANIZED STEEL SHEET ... ). Buildings and Construction Outside: Workshop, agriculture warehouse, residential precast unit, corrugated roof, wall, rainwater drainage pipe, terrace, retailer booth, roller shutter ...