Patent ID: 8123091

Claim:
An installation structure of a roof rail in which the roof rail is attached to a vehicle inner panel provided underneath a roof panel, through a hole part provided in the roof panel, the installation structure comprising: a protruding part which is provided protruding downward from a lower surface of the roof rail, is inserted into the hole part with a ring shaped gap which is formed by a diameter of the hole part being arranged to be larger than a diameter of the protruding part, and is attached to an upper surface of the vehicle inner panel; and a watertight part which encloses the protruding part, is flattened between the lower surface of the roof rail and an upper surface of the roof panel, and seals the ring shaped gap, wherein a part of the watertight part which consists of an elastic material extends through the ring shaped gap and protrudes beyond a lower surface of the roof panel.