Patent ID: 8474904

Claim:
A passenger compartment material structure comprising: a ceiling material that has, in a layered state, an upholstery material, and a base material and an air barrier film that are disposed on a passenger compartment outer side with respect to the upholstery material, the ceiling material covering a roof panel from a passenger compartment inner side; a pillar garnish that is disposed along a lengthwise direction of a pillar that supports the roof panel from an underside of the roof panel, the pillar garnish covering the pillar from the passenger compartment inner side; and a water guide portion that is disposed separately from or integrally with the air barrier film, is positioned on the passenger compartment outer side with respect to the pillar garnish, projects to a lower end portion side of the pillar garnish with respect to an end of the upholstery material on the pillar garnish side, and overlaps the pillar garnish in the lengthwise direction of the pillar.