with RC3 and FB3 or FB4 (forster thermfix vario) doors E30 with RC3 and FB3 (forster unico) doors El30 with RC3 and FB3 (forster fuego light) sliding doors with escape route EN179 and glazing joints EI30 [...] standards, depending on the area of the building. The concept was implemented with facade, glazing and door system elements from Forster Profile Systems which pay maximum attention both to the increased safety [...] interior facade surfaces are clad by forster fuego light systems, which, in the form of fire resistant doors, also provide access on the office floors to the staircase and, in the area of the ground floor, act