AX-120 is a thermally insulated sliding system with a vent weight up to 200 kg. and height up to 3.6 metres. The sophisticated concept fulfills the users high expectations of optimum quality, high insulation and ease of operation. The system is available with a low threshold that creates a perfect continuity between the indoor and outdoor spaces and improves the accessibility to the building. AX-120 system can be combined with the vayu system as well.