CP 155 is a thermally insulated sliding system with a vent weight up to 400 kg and height up to 3 metres. The sophisticated concept fulfills the user’s high expectations of optimum quality, high insulation and ease of operation. The new and improved CP 155 can be upgraded with High Insulation that can be applied to all CP 155 variants to achieve even better insulation values. 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. The new CP 155 has a Slim Line middle section for a slimmer appearance. Automatic opening solutions for maximal comfort are also available.