Lonsdale Metal Highlights the Ongoing Evolution of Glazing Bar Technology
London, United Kingdom, 6th Nov 2025 – Lonsdale Metal has announced new developments in its glazing bar and patent glazing systems, reflecting both the company’s continued commitment to innovation and the long history of progress in architectural glazing design.
Originally developed to support small, fragile glass panes, glazing bars have played a defining role in the development of architectural glazing design. Their evolution from timber to advanced aluminium systems illustrates a broader story of material and engineering innovation.
As metal production advanced during the 19th century, patent glazing systems emerged as a major step forward, combining structural strength, integrated drainage, and improved weatherproofing. These systems enabled large-scale glazed roofs and canopies t...
