To provide a ridge tile which takes advantage of traditional features of a tile roof of Japanese housing, without structural weak points of the ridge tile against earthquakes, and allows the repair and new construction of the ridge tile to be easily performed.

A long-sized ridge tile which constitutes a ridge of a tile roof contains a resin as a main component, with a size in the longitudinal direction larger than two times the roofing width, comprises: a long-sized plain tile having a flat central portion and bent portions at both side ends in a cross section in the lateral direction; and a cap tile having a semicircular or angled cross section in the lateral direction.