The aerated saddle roof construction (20) comprises two bent roof areas (2,3) in two roof area planes. The roof area planes are intersected in a roof-ridge apex (4). The upper longitudinal edges (5,7) of the roof areas are arranged in the respective roof area plane parallel to roof-ridge apex and are respectively formed above and below the roof-ridge apex. An upper portion (32) of the roof area (3) is pivotably formed.