The slat facade, System 514XSfmk, from MLL Hamburg, is a facade system made of aluminium with a free ventilation cross section of 41%. The system 514XSfmk is equipped with a Z-slat of the light series of type 010XS. Fastening to a facade occurs via the Retaining rail 004fmk. The slats are fastened with the MLL clip system and are also removable afterwards for repair work on on the facade or similar purposes.