Laylight

As an element of architecture, a laylight is a glazed panel usually set flush with the ceiling for the purpose of admitting natural or artificial light.[1] Laylights typically utilize stained glass or lenses in their glazing.[2][3] A laylight differs from a glazed (or closed) skylight in that a skylight functions as a roof window or aperture, while a laylight is flush with the ceiling of an interior space.[4][5] When paired with a roof lantern or skylight on a sloped roof, a laylight functions as an interior light diffuser.[6] Before the advent of electric lighting, laylights allowed transmission of light between floors in larger buildings, and were not always paired with skylights.[7]

See also

References
  1. "Definition of LAYLIGHT". www.merriam-webster.com.
  2. "Single Laylight Combines Natural, Artificial Light in Seating Area". Athletic Business. June 9, 2016.
  3. "Library's Historic Laylight Removed for Restoration". John Jermain Memorial Library. March 30, 2012.
  4. Maguire, Harry. "What Is the Difference Between Skylights, Veluxes, and Roof Windows?". Information Blog Post. First Class Roofing Service.
  5. "The future is bright". December 3, 2015.
  6. "Sloped Glazing | WBDG - Whole Building Design Guide". www.wbdg.org.
  7. John Kelly (2017-03-25). "Answer Man sheds some light on curious glass panels at the U.S. Capitol". The Washington Post. ISSN 0190-8286. OCLC 1330888409.


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