modern profile shape in line with the current trends in architecture
very narrow profiles on the inside of a building let in even more light
6-chamber system with 83mm depth of the frame
narrow profiles, height of the frame with the sash amount to only 103mm
narrow movable post (106mm) with a centrally located handle
possibility of using the glass pane sets of up to 54mm
3 sealing lines
large variety of colours (acrylcolor, veneer)
greater rigidity of the window due to the application of the STV