Expanding space with light: making foyers appear brighter and larger

Use vertical illumination to make foyers brighter, more spacious, and easier to grasp. Evenly illuminated walls provide orientation, reinforce a welcoming spatial impression, and emphasise materiality.

Indoors, wallwashing highlights architectural surfaces. Outdoors, façade lighting structures squares and open areas and defines clear spatial boundaries


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The most important points

  1. 1At the same illuminance, illuminated walls create a far stronger impression of brightness than horizontal surfaces, as they lie directly within the natural field of view.
  2. 2Pay attention to the reflectance of surfaces: exposed concrete requires twice the illuminance of a white wall, and dark timber six times as much.
  3. 3Use brightly washed walls to provide orientation, as the eye is drawn first to the brightest surface and automatically ascribes significance to it.
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