The VENTILATED RIDGE ELEMENT was designed for the aeration of cavities in roofs made with bituminous tiles and / or fiber cement sheets, for any slope. It is equipped with a series of labyrinths to prevent water infiltration due to contrary winds, with special hooks for alignment, a mosquito net, a series of holes for anchoring with screws, closing heads for departures and arrivals. This is a molded element in flexible thermoplastic material resistant to high and low temperatures. The ridge is supplied complete with self-tapping screws for fixing.