Unlike ceiling tiles that are glued or stapled to the ceiling, these panels are laid into a modular grid of metal bars, T-shaped in cross section. The grid is supported by wires suspended from the true ceiling and by having its perimeter fastened to the walls.
Panels are typically made of fireproofed fiber and resemble acoustical ceiling tile. However, embossed metal panels ("tin ceilings") are also available.
Panels in the same dimensions are made that contain lighting fixtures (especially fluorescents), loudspeakers, vents for heating and air conditioning ducts, and so on.
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Copyright � 2001 Sizes, Inc. All rights reserved.
Last revised: 4 February 2001.