ROOF RAIL WITH DIVIDER WALL CONFIGURED TO RESIST CLAMPING FORCE

This disclosure relates to a roof rail for a motor vehicle. In particular, the roof rail includes a divider wall configured to resist a clamping force, such as that which is expected to be applied to the roof rail from a cross bar of a roof rack. An example assembly includes a roof rail with a closed cross-sectional area and an open cross-sectional area separated by a divider wall.