Finish Ceilings & Floors
‘Interior’ Ceiling @ the Venetian Hotel (Las Vegas)
Functions of Finish Ceilingsg
Visual - color, texture, pattern, shape
Control diffusion of:Control diffusion of:lightsoundsound
Conceal MEPAccommodate: lights diffusersAccommodate: lights, diffusers, communication, sprinkler…May assist withMay assist with
fire resistancedistribution / return of HVAC
IMT-3 SCHOOL OF INTERIOR DESIGN
distribution / return of HVAC
Types of Ceilingsyp g
Exposed Structural & MEP
Tightly Attached
S d dSuspended
InterstitialInterstitial
IMT-3 SCHOOL OF INTERIOR DESIGN
Exposedp
Exposed Structure & MEPIndustrial, warehouse, …Industrial, warehouse, …
Economy & ease of maintenance
Timber, trusses, etc.Often for appearance
Flat Plate, PC plank (HC)Painted - hotels & apartmentspMinimal MEP services in ceilingEconomy and reduces story height
IMT-3 SCHOOL OF INTERIOR DESIGN
Exposed Structure Ceiling“Joint” Preparation for Sprayed on Textured Ceiling
IMT-3 SCHOOL OF INTERIOR DESIGNTextured Ceiling
IMT-3 SCHOOL OF INTERIOR DESIGNExposed Timber & MEP Services @ a Ski Lodge
Tightly Attachedg y
Attached directly to joists or slabsSpecial arrangements / accommodations for:Special arrangements / accommodations for:
Structural members (beams, girders)MEP systemsMEP systems
IMT-3 SCHOOL OF INTERIOR DESIGN
Suspended Ceilingsp g
Suspended from the StructureGenerally by wires
M t i l d ll l fib ( i )Materials: drywall, plaster, fibrous (acoustic)
StructureStructure
SupportCeiling SupportWiresPlenum space
forducts, pipes, conduit ...
Suspended Ceiling•Drywall
, p p ,
Support System•Metal Framing
IMT-3 SCHOOL OF INTERIOR DESIGN
y•Plaster•Acoustic (incombustible fibers)
g•Furring Channels•“Metal Grid
IMT-3 SCHOOL OF INTERIOR DESIGN
Suspended Plaster Ceiling (note the delamination of the finish coat)
Acoustic “Lay-in Panels”
•Exposed Metal Grid•Exposed Metal Grid•2x2 or 2x4 Lay-in Panels•MEP “sized” to fit grid or
IMT-3 SCHOOL OF INTERIOR DESIGN
gcut into the acoustic tile
•Economical
Acoustical Ceiling Grid Systemsg y
“Difficult” to access
Main Runners•Provide Main Ceiling Support
Cross TeesI t di t S t•Provide Main Ceiling Support
•Generally 4’ o.c.•Attached to “Hangers”
•Intermediate Support•“Rest”/ attach to Mains•Spacing depends on tileg
•Additional hangers may berequired to support MEP “loads”
Spacing depends on tile
Wall Angle•Attaches to wall
IMT-3 SCHOOL OF INTERIOR DESIGN
•Attaches to wall
“Recessed” Grid(also can be Flush, …)
C ili d li h i klCeiling mounted - lights, sprinkler, smoke detector, communication
Multiple Tile Finishes AvailableMultiple Tile Finishes Available
IMT-3 SCHOOL OF INTERIOR DESIGN
Diffuser sized 2x2
IMT-3 SCHOOL OF INTERIOR DESIGN
C S t G id P fil
IMT-3 SCHOOL OF INTERIOR DESIGN
Common Support Grid Profile
Suspended Ceiling used as a
Fire Resistant Membrane
Combination Light/Diffuser
The Integrity
g
The Integrityof the Fire
Resistant Rating Must be Maintained
at the C ili P t ti
IMT-3 SCHOOL OF INTERIOR DESIGN
Ceiling Penetrations
IMT-3 SCHOOL OF INTERIOR DESIGNSuspended Acoustic Ceiling with a Gypsum ‘Fire’ Ceiling Above
Interstitial CeilingsInterstitial Ceilings
Common with elaborate MEP systemsHospitals & laboratoriesHospitals & laboratories
Purpose:Accommodate extensive MEP systemsAccommodate extensive MEP systemsProvide access for maintenance & updating
servicesservices
IMT-3 SCHOOL OF INTERIOR DESIGN
Under-floor Services
Di t ib ti f l t i l / i tiDistribution of electrical /communicationsMethods
ConduitCellular RacewaysCellular DeckingRaised Flooring
IMT-3 SCHOOL OF INTERIOR DESIGN
U d fl El t i l S i
IMT-3 SCHOOL OF INTERIOR DESIGN
Under-floor Electrical Services Placed in the concrete slab
