A lid member of a vehicle roof is disclosed having a plate-like lid body having an inner and an outer large face, to which a moulded plastic portion has been moulded. The moulded plastic portion can be configured to receive an insert which is embodied as a hollow body, and which rests against the inner large face of the lid body. The insert may have an abutment flange, which limits a hollow space opening and which is provided with a circumferential sealing rib which rests against the inner large face of the lid body.