Rollable roof ridge and ventilation element

roller ventilation element ridge for pitched roofs, with a carrier material which is air permeable, shaped band and its edge regions is connected to edge strips made from plastically deformable sheet, wherein each side strip (2) one folding upwards extending in the longitudinal direction of the ventilation element (10) and forms a deflector lip to the wind (21), as deformable sheet plastically to the side strips (2) provided for a strip of soft metal made for example of aluminum, copper, lead or similar metal or plastic foil metallized on its face that is outdoors, and wherein each side strip (2) a transverse corrugation; characterized by the fact that also the lips (21) have transverse corrugations with respect to its longitudinal extent corresponding to the transverse corrugations of the side strips (2).