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2. Skylight - Wikipedia

   en.wikipedia.org/wiki/Skylight

   A retractable skylight rolls (on a set of tracks) off the frame, so that the interior of the facility is entirely open to the outdoors, i.e., not impeded by a hinged skylight. The terms retractable skylight and retractable roof are often used interchangeably, though skylight implies a degree of transparency. Tubular daylight device

3. Daylighting (architecture) - Wikipedia

   en.wikipedia.org/wiki/Daylighting_(architecture)

   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 construction. Roof lanterns serve as both an architectural feature and a method of introducing natural light into a space, and are typically wooden or metal structures with a ...

4. Retractable roof - Wikipedia

   en.wikipedia.org/wiki/Retractable_roof

   A retractable roof is a roof system designed to roll back the roof of a structure so that the interior of the facility is open to the outdoors. [1] Retractable roofs are sometimes referred to as operable roofs or retractable skylights. The term operable skylight, while quite similar, refers to a skylight that opens on a hinge, rather than on a ...

5. VELUX - Wikipedia

   en.wikipedia.org/wiki/VELUX

   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.

6. Photovoltaic mounting system - Wikipedia

   en.wikipedia.org/wiki/Photovoltaic_mounting_system

   Building-integrated photovoltaics (BIPV) are photovoltaic materials that are used to replace conventional building materials in parts of the building envelope such as the roof (tiles), skylights, or facades. They are increasingly being incorporated into the construction of new buildings as a principal or ancillary source of electrical power ...

7. Light tube - Wikipedia

   en.wikipedia.org/wiki/Light_tube

   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 their application to daylighting, they are also often called tubular daylighting devices, sun pipes, sun scopes, or ...