Seal structure for vehicle roof

Misalignment of a weather strip (16) is controlled by a corner (15) formed by a shoulder part (11) and a lower inclined part (12) formed in an edge portion of an opening of a roof (30). A locating face (28) of a sealing part (17) is pressed onto the shoulder part (11) on one side of the corner (15), and a locating face (29) of an inclined extension part (18) is pressed onto the lower inclined part (12) on the other side of the corner (15). The sealing part (17) is adhered to at least one of the shoulder part (11) or the upper inclined part (10) with a double-sided tape.