thermally separated VISS roof steel system. The opening measuring 3.00 x 5.00 meters was divided into ten sections measuring 1.50 x 1.00 meters. The tested system solution guarantees durable, low-maintenance [...] renovating the weathered steel windows, the architects opted for the finely designed Janisol Arte 2.0 glazing bar system The challenge posed to the architects was to implement modern fire protection and [...] The weathered and poorly closing constructions were faithfully reconstructed using the Janisol Arte 2.0 glazing bar system, as the thermally separated steel system ensured that essential parameters such as