Roof unit and basic unit for a road vehicle

Method for manufacturing a body with a group of roof (23), comprising an outer roof panel (13) and an inner roof part (14), oriented in the vehicle or an outer roof panel ( 13) and an inner ceiling (14) part facing inward with a frame (15) to the inner roof part, being the group roof (23) configured as assembly group, and a base structure (10) and having the inner roof part (14) and the outer roof panel (13) with the base structure (10) joint configurations (30) adapted together at their opposing assembly, for a body assembled horizontally a road vehicle, characterized in that through the opening provided for the rear window or to the front moon vehicle inner roof part (14) is introduced and by means of an upward movement is assembled together with the configuration union (30) on the lateral longitudinal beams (16) and / or the front and rear (11, 12) and fastened there crossbars, and in another working operation, the outer roof panel (13) is held, making it down to the corresponding joint configuration (30) on the lateral longitudinal beams (16) of the frame and the front and rear (11, 12) of the frame crossmember, uniting them by a firm proof joint separation.