This European Standard specifies requirements for copper sheet and strip in thicknesses from 0,4 mm up to and including 1 mm and in widths up to and including 1 250 mm.This European Standard is applicable to sheet and strip for use in building construction, e.g. for roof drainage systems, gutters, down pipes, roof coverings, external wall claddings, dormer windows, verges, chimney flashings and roof valleys.