Light serves an essential purpose in architecture: to help us see. Whether it be through natural or artificial methods, rooms must be illuminated accordingly so occupants can safely inhabit them and fulfill their daily functions. When the right system is selected, light can also contribute to energy efficiency and sustainability within the building as a whole. However, apart from its evident functional and environmental value, lighting design can vastly impact the visual comfort and aesthetic tone of interiors by drawing attention to textures, enhancing colors and defining volumes. Therefore, of the many pieces involved in interior design, lighting is certainly one that can enhance or destroy a space and even affect users’ well-being, which is why it should be considered a crucial design element by itself.

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After centuries of using wood for the development of window and door carpentry, the Rationalism of the 20th century began to adopt a new material for these purposes: steel. Driven by industrial production, and promoted by architects such as Adolf Loos, Mies van der Rohe, and Le Corbusier, steel was evolving to generate increasingly thin and resistant frames. However, efficient and low-cost materials, such as aluminum and PVC, gradually began to replace its widespread use, increasing the size of the frames and losing steel's "clean" aesthetic when applied to a growing architecture of large glass paneled facades.

At present, new technologies have refined their production processes, developing minimal profiles of high rigidity and precision, which take full advantage of the transparency of the glass and deliver new comfort and safety features. We talked with Jansen's experts to deepen our understanding of their application in contemporary architecture.

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