Semifinished products, made from zinc and zinc alloys, namely plates, flat sheets, panels, corners for gutter channels, grates, bars, the foregoing parts, profiled and non-profiled, also surface treated for use in commercial and residential building construction and repair; roofing panels, roofing plates; gutter plates, roof framing, panels, windowsills, gutter channels and down pipes, made from zinc and zinc alloys.
