facade. As part of the facade renovation, around 500 horizontally pivoted windows with Forster steel profile systems were used, which were developed by an interdisciplinary team as functional all-rounders based [...] accommodate the considerable weight and overall width of the pivoting double window boxes. Forster Profile Systems proved to be the ideal partner for this task, both in terms of its portfolio of window profiles [...] and preservation-related requirements. Windows with complex functionality The forster unico steel profile system forms the basis of the window frames. Thanks to the high rigidity of the material, the face