Crittall-style assemblies inspired by the Classic Metal Windows that refer with style to the interwar period. The elegant and timeless design is achieved by using a combination of horizontal and vertical slim glazing bars (structural or decorative) creating a number of smaller panes, which replicate the typical industrial windows.

The depth of the hot rolled steel profile allows to accommodate glazing units up to a thickness of 21 mm that makes w20 suitable not only for internal assemblies but also for external assemblies in milder climatic zones.