Abstract: A vehicle roof assembly is provided including a glass roof that has an outer surface, an opposing inner surface and edge surfaces defining a periphery therebetween. Trim members are configured to abut the edge surfaces when the glass roof is supported at the inner surface. The glass roof and trim members are preferably of sufficient size to extend from the front windshield to a rear window of the vehicle when the trim members abut the edge surfaces. Additionally, a method of retrofitting a vehicle is provided.