4-6.8 CEILING TYPES: There are
three generic types of ceiling to
b e considered.
These are:
A. Direct Application to Struc-
ture: (1) The direct application
o f coatings or sheet materials
to the building horizontal
structure.
Materials used
are:
paint, stain: a p p l i e d to con-
c r e t e , metal deck or wood
deck
Gypsum board: a p p l i e d to wood
joists
a c o u s t i c t i I e : glued or mech-
a n i c a l I y fastened to wood
joints, concrete, or metal
deck
B . Grid and Panel Type (2),
A suspended grid assembly
supporting infilI panels,
l i g h t fixture, and HVAC com-
ponents.
Materials used are:
ceiling grid assembly: alum-
i n u m or steel
in-fill panels: metal pans,
tiles made of glass fiber,
wood fiber, mineral fiber,
o r ceramic
finish: natural, painted,
plastic-coated
C.
Suspended Plaster Ceiling: (3)
T h e use of plaster materials
hung on furring members
below the horizontal struc-
ture.
Materials used are:
channels: steel, untreated
o r galvanized
plaster: gypsum plaster,
c e m e n t plaster, acoustical
pIaster
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