Roof ridge assemblies

A ridge assembly for a roof comprising a ridge body having a base, side walls extending upwardly from the base and flanges extending outwardly and downwardly from the base, the side walls having upper ends, ridge capping support elements mounted on said ridge body, a ridge capping supported on said ridge capping support elements, and means for fixing the ridge capping to the ridge body comprising a bolt with a head releasably engaged with the ridge capping underside and a stem fixed through the ridge body base by means of a wedge slid into a slot in the underside of the ridge body base to engage the stem of the bolt and hold same against axial movement, the stem and the wedge having mutually engaging grooves and ribs.