The 235 series is characterized by luxury in design with simple straight lines. It is ideal for large openings, with high-strength profiles. It presents top performance in thermal insulation thanks to the 24mm and 34mm polyamides and the multi-chamber thermal insulation additions. Superior impermeable capabilities thanks to EPDM seal mechanism as well as by the special lifting-sliding rolling mechanism. At the same time, this mechanism gives the option for glazing large and thick surface, since it can move frames up to 250Kg.