... 1250mm 3.Zinc Coating:80-275g/m2 4.Surface Treatment:Passivated Galvanized Steel coilSpecification:1.Thickness:0.17-4 ... Zinc Coating:80-275g/m2(Both Sides)5.Surface Treatment:Passivated,Unoiled6.Material:Cold Rolled Steel7.Spangle:Big/Regular ... outdoor applications: Roof ,the roof structure, Balcony panels, water downpipe bay windows, window frames, doors, garage doors, shutter doors, kiosks, shutters, ...