... coated steel coil: 600mm to 1250mm.9.Zinc coating of the base galvanized steel material: 60gm2 to 275m2.10. ... usage: outdoor:roof,roof structure,surface sheet of balcony,frame of window,door,door of garage,roller shutter door,booth,persian blinds,cabana ... on Indoor:door,isolater,frame of door,light steel structure of house,sliding door,folding screen,ceiling,internal decoration of toilet and elevator