A roof tile, a process for the preparation of a roof tile and the roof having a sheath with laid roof tiles

摘要

It is a large-surface ceramic tiles is described, which is preferably made of an extruded blank, which is in a plurality of steps. The roofing tile (1) is in the form of a thin rectangular plate with a head portion (10) with an upwardly the edge, a direction of the underside, angled foot portion (20), a on one side edge of said upstanding rib (30) and a at the other side portion, which is formed in the cross section u - annular bead (40). Between the lateral fin and the u - annular bead is formed a substantially plate-shaped main section.In order, in the installed state an optically pleasing and to obtain reliable roof covering, it is provided that the lateral fin (30) a beyond the plane of the upper side of the plate-shaped main section extending profile edge and in that the deck bead beyond the plane of the upper side of the plate-shaped main section projects.