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A dropped ceiling is a secondary ceiling, hung below the main (structural) ceiling. It may also be referred to as a drop ceiling, T-bar ceiling, false ceiling, suspended ceiling, grid ceiling, drop in ceiling, drop out ceiling, or ceiling tiles and is a staple of modern construction and architecture in both residential and commercial applications.
The "Birthplace of Old Glory", a 1909 photograph of Betsy Ross House The gravestone of Betsy Ross and her third husband John Claypoole in the Betsy Ross House complex. Over the years, various structural changes and general wear and tear left the house in dire need of restoration.
Other types of ceiling include the cathedral ceiling, the concave or barrel-shaped ceiling, the stretched ceiling and the coffered ceiling. Coving often links the ceiling to the surrounding walls. Ceilings can play a part in reducing fire hazard, and a system is available for rating the fire resistance of dropped ceilings.
Some Romanesque churches have barrel-vaulted ceilings with no clerestory. The development of the groin vault and ribbed vault made possible the insertion of clerestory windows. Initially the nave of a large aisled and clerestoried church was of two levels: arcade and clerestory.
A double floor is generally used for longer spans and joists, called bridging beams or joists, are supported by other beams called binding beams: the two layers of timbers providing the name double floor. In a double floor there may be two sets of joists, one for the floor above and one for the ceiling below.
Although vigas were sometimes salvaged from old buildings to erect new ones, such as in Walpi, this practice depended on the condition of the site and the material salvaged. The use of traditional rounded vigas changed with the arrival of the railroad in the 1880s, which brought dimensioned lumber , and immigrants who used different ...
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Popcorn ceiling texture. A popcorn ceiling, also known as a stipple ceiling or acoustic ceiling, is a ceiling with one of a variety of spray-on or paint-on treatments. [1] The bumpy surface is created by tiny particles of vermiculite or polystyrene, which gives the ceiling sound-deadening properties. Mixtures are available in fine, medium, and ...