Ventilation in windows and doors plays the important role of regulating health and well being via the movement of air through the structure. This article will highlight some of the key ways through which ventilation is achieved by architectural fenestration and how this relates to questions of sustainability.

It’s no secret that there is a global crisis in supply of many products from computer chips to lumber, steel, plastics and glass along with many others. The range of theories as to causes is well beyond the scope of this communication.