The Institute of Building Construction, Technische Universität Dresden, is decisively in-volved in the development of transparent space grid structures. These structures base on steel space structures, at which all steel members in the compression layer are replaced by in-plane load bearing glass panes. In 2009, the first glass roof made of this new construc-tion type was erected above the inner courtyard of the Berlin palace Reichstagspräsiden-tenpalais. The roof consists of a single curved, double layer transparent space grid struc-ture with dimensions of 14 m x 21 m. The load transfer in the compression layer is en-sured by insulating glass units with regular dimensions of 1.80 m x 1.26 m. This contribu-tion describes the concept, the structural design, the testing and the erection of the first transparent space grid structure with load bearing structural glass.