System characteristics:
Building depth:

for 51 or 79 mm frames
for 18/21 mm leaves
two or three-way system, allowing the design of superstructures with 2, 3, 4, 6 wings
fillings possible with a thickness of 1 to 12 mm
the system is designed to be designed for unheated external structures (balconies, terraces, loggias) or sliding internal structures