Customer: Gartner NV (Heerlen, Holland), Permastelisa GroupProject: BRC Tower, PZU, Grzybowska /Al. J.P. II, Warszawa (PL)Works: Prefabrication of 2504 elements of double skin facade, surface ca. 11.500m² in system compiled exclusively for building’s necessity.Dates of realization: 05/1999 - 08/2001