Window Wall System: an innovative and high quality architectural systems that add to the strength, energy efficiency and longevity of the building envelope. It has a frame depth of 150mm and features a 15mm. Technoform thermal break bar to enhance thermal insulation performance with U-values of 2.5W/m2K. These are Aesthetic, Multi-chamber of main profiles, Significantly cost reduction compare to curtain wall, Safer way of installation, Flexible glass option with thickness from 24 to 34 mm.