Ceilingsaredescribedasbeingeither: Ceilings are described as being either: 1. tightly attached or 2suspended

1. CeilingsCeilings
Ceilings are described as being either:Ceilings are described as being either:
1. tightly attached
or
2 suspended2. suspended
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2. These are basically the only options for installing
a ceiling in a space;
tightly attached means that the ceiling is
attached to the underside of the structure directly
above:
this could be the underside of the floor above, or the
d id f th t t l i b ( hunderside of the structural pieces above (such as
a floor slab, beams, trusses, bar joists, or other
structural elementsstructural elements
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3. or:or:
the ceiling is suspended from the
structure above by a variety of means,
such as wires cables wood framingsuch as wires, cables, wood framing,
steel framing, et cetera.
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4. So ceilings are able to be locatedSo, ceilings are able to be located
from the highest available point in a space
(lik th d id f th fl t t b )(like the underside of the floor structure above)
down to the allowable code minimum lowest
point in a space, which for human occupiable
spaces is typically 7'-6" above the finishedspaces is typically 7 6 above the finished
floor surface.
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5. • Suspended ceilings always have some
amount of space that is open (sometimesp p (
very little, sometimes very large) above
the ceiling up to the structure abovethe ceiling up to the structure above.
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6. Plenum SpacePlenum Space
• Space above the suspended ceiling is
called a plenum spacecalled a plenum space.
• this is typically used as a space in which to
locate HVAC ductwork, sprinkler pipes,ocate C duct o , sp e p pes,
recessed lighting fixtures, electrical
conduit and other systems componentsconduit, and other systems components
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7. a typical suspended ceiling system:
suspension wires, a metal grid & modular panels
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8. Interstitial SpaceInterstitial Space
• In some large buildings the amount of
mechanical equipment is so great that anq p g
entire floor space is dedicated to this
equipment This kind of mechanical floorequipment. This kind of mechanical floor
space is called an interstitial space.
Hospitals frequently have this type ofHospitals frequently have this type of
space because they have a tremendous
amount of equipment that provides fluids,
gases, and complex heating and cooling
IMT-3 SCHOOL OF INTERIOR DESIGN
g , p g g
needs for a hospital.

9. Ceiling system manufacturersCeiling system manufacturers
• These sites include some good visual images of installed
ceiling systems, and some good information about how
these systems workthese systems work.
• http://www.armstrong.com/commceilingsna/mark
et_segment.jsp
• http://www.armstrong.com/armstrong_home.jsp
• http://www.novawall.com/p // o a a co /
• http://www.hunterdouglasceilings.com/
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10. metal ceiling panelsmetal ceiling panels
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11. metal panelsmetal panels
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12. Armstrong 'infusions'Armstrong infusions
accent canopies
http://www.armstrong.com/commceilingsna/article7614.html
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21. embossed metal ceiling panels:
d ith id t tused with a grid support system
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22. I Vi t i ti ti ili i l b tit t f t l t k• In Victorian times, tin ceilings were an economical substitute for ornate plaster work.
• Today pressed metal ceilings are enjoying a resurgence in popularity in new homes, commercial spaces,
and in restoration of older homes.
• Finishes of metal ceiling panels often include steel, copper, brass, chrome and pre-painted white.
• Ceilings are typically available in 24" x 24” panels.Ceilings are typically available in 24 x 24 panels.
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23. pressed tin ceilingpressed tin ceiling
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25. wood ceilings;
2’X2’ lay in panels, louver,
linear, cellular
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26. wood panels:
curvingcurving,
perforated
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