The slat facade, System 734, from MLL Hamburg, is a facade system made of aluminium with a free ventilation cross section of 43%. The system 734 is equipped with a Z-slat of the heavy series of type 030. Fastening to a facade occurs via the Retaining rail 004. The slats are fastened with the MLL clip system and are also removable afterwards for repair work on on the facade or similar purposes.