It is a system designed for projects where the general environmental conditions are harsh and heat insulation is prioritized. Air, sound, water and heat escapes are minimized thanks to special equipment with sash and frame contact as in window systems. System mechanism for static needs and maximum visual areas 150 kg - It is capable of carrying 400 kg loads forever with 300 kg additional bearing. The series, which can meet all opening variations, can also be used as a classic sliding series if desired.