A vehicle roof panel assembly includes a roof panel, a seal and an head. The roof panel partially defines a rear hatch opening. The seal is fitted over a rear portion of the roof panel at a location adjacent to the rear hatch opening. The seal has a longitudinal length extending laterally across the rear portion. The bead is disposed on the rear portion of the roof panel. The bead has a longitudinal length extending laterally across the rear portion. The bead contacts the seal along the longitudinal length of the seal.