OPENING STRUCTURE FOR A ROOF AIRBAG

An opening structure for a roof airbag includes: a roof lining having an opening; the roof airbag disposed at an interior side of the roof lining; a roof airbag door disposed at the opening in the roof lining at a position where the roof airbag is deployed; and a fixation unit positioned between the roof airbag door and the roof lining. The roof airbag door has an outer lining inserted into and overlapping the roof lining.