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VELUX is a Danish manufacturing company that specialises in roof windows, skylights, sun tunnels and related accessories. The company is headquartered in Hørsholm , Denmark and is a part of VKR Holding A/S. VELUX Group is a founding partner of the global Active House Alliance.
Skylights are widely used in daylighting design in residential and commercial buildings, mainly because they are the most effective source of daylight on a unit area basis. An alternative to a skylight is a roof lantern. A roof lantern is a daylighting cupola that sits above a roof, as opposed to a skylight which is fitted into a roof's ...
Skylight in the vault in the Chapel of the Constable of the Burgos Cathedral, a glazed closed skylight from the 15th century A skylight (sometimes called a rooflight ) is a light-permitting structure or window, usually made of transparent or translucent glass, [ 1 ] that forms all or part of the roof space of a building for daylighting and ...
Total external reflection, hollow light tube Total internal reflection, block of acrylic. Light tubes (also known as solar pipes, tubular skylights or sun tunnels [1]) are structures that transmit or distribute natural or artificial light for the purpose of illumination and are examples of optical waveguides.
In architecture, a lightwell, [NB 1] sky-well, [NB 2] or air shaft is an unroofed or roofed external space provided within the volume of a large building to allow light and air to reach what would otherwise be a dark or unventilated area.
The Tucson High School Galleria and reflexive library (pictured) feature a modern atrium tetrastylum with four support columns and open roof. In architecture, an atrium (pl.: atria or atriums) [1] is a large open-air or skylight-covered space surrounded by a building. [2]
The tendency from the early Romanesque period to the late Gothic period was for the clerestory level to become progressively taller and the size of the windows to get proportionally larger in relation to wall surface, emerging in works such as the Gothic architecture of Amiens Cathedral or Westminster Abbey, where their clerestories account for ...
Proceeding from analyses of the aftermath of the eruption of the Philippines volcano Mount Pinatubo (in June 1991) and other studies: [2] [3] Diffused skylight, owing to its intrinsic structure and behavior, can illuminate under-canopy leaves, permitting more efficient total whole-plant photosynthesis than would otherwise be the case; this in ...