The thermal break steel window: slim, high-performing profiles of just 27 mm, multiple combinations available, insulating glazing of up to 40 mm
OS2 65 is part of the group of OS2 profiles, studied, conceived and created by Secco Sistemi to replace the doors and windows used from the nineteenth century up to the middle of the last century. Utilised also in contemporary architecture to satisfy the need for transparency and purity of lines, the slim profiles of the OS2 system lighten the walls of their weight and allow total freedom in the design of the fixture. OS2 65 is the thermal break steel window which comes in an array of more than 40 profiles, with visible sections reduced to the minimum: from just 27 mm to 47 mm for the lateral section, 62 mm for the central section and 65 mm depth. This steel window can house glazing panels for insulation of up to 40 mm thickness. With the many possible variations of the system OS2 65, moreover, the profiles can have glass panels which are flush-mounted or inset within the frame, which underline the borders of the sashes and blend into the unicoloured area of the fixed panes or be composed freely with the same design for fixed and openable sashes. The performance of the OS2 thermal break system has been tested by the best European certifying laboratories in compliance with the current specific standard EN 14351-1 regulations.