There is nothing more rational than taking advantage of natural lighting as a guarantee to improve the spatial quality of buildings, as well as saving energy. The awareness of the finitude of natural resources and the demands for reducing energy consumption has increasingly diminished the prominence of artificial lighting systems, forcing architects to seek more efficient design solutions. With this goal in mind, different operations have been adopted to capture natural light. These systems can also guarantee excellent spatial properties if projected correctly. Below we have gathered five essential systems for zenithal lighting. Skylights Established as horizontal openings strategically positioned on the roofs of buildings, skylights allow the direct entrance of natural light into the internal region of the construction. It commonly receives an application of translucent glass on its upper side, allowing a higher percentage of light into the space. They should be used with care, since they tend to favor the gain of thermal loads in the building, increasing the internal temperature. Therefore, they must be strategically positioned and projected regarding dimensions and sealing materials.
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