the invention relates to a complex section consisting of a metal section covered with a metal foil . it is characterized in that the foil has a higher surface hardness than the section and in that the foil adheres to the section at all points on one of its faces . it also relates to a method of coating sections , which consists in conveying them , one after another , in successively applying to them , after shaping , a continuous strip of a material for bonding it to each section , in order to cover it , characterized in that these sections are conveyed with a gap between them , in that , after adhesion , the respective downstream and upstream ends of two successive sections are identified and in that two separate cutting operations , according to their spacing , are carried out thereon .