Construction false ceiling

Ministry of Skill Development and Entrepreneurship
Directorate of Vocational Education and Training
Maharashtra State
व्यवसाय शिक्षण व प्रशिक्षण संचालनालय
महाराष्ट्र राज्य
DVET eLearning
10 April 2020 eLearning for ITI | | Craft Instructor: Rajesh Tukaram Gaikwad | | Govt. ITI Borivali Mumbai 1

eLearning
Ministry of Skill Development and Entrepreneurship
Directorate of Vocational Education and Training Maharashtra State
व्यवसाय शिक्षण व प्रशिक्षण संचालनालय, महाराष्ट्र राज्य
SECTOR - CONSTRUCTION
ITI Trade: Interior Design & Decoration [IDD]
(Engineering Trade)
(Duration: One Year)
NSQF Level- 4
Topic: False Ceiling
(Week Number: 32-33)

10 April 2020 eLearning for ITI | | Craft Instructor: Rajesh Tukaram Gaikwad | | Govt. ITI Borivali Mumbai
Assessment Criteria (Syllabus)
3
Professional
Skill 56 hrs
Professional
Knowledge
12 hrs
Preparing of drawing
✓ Design a false ceiling in a room.
(28 hrs)
✓ Specify the level and section and
finishing material (laminate,
veneer, paints). (28 hrs)
Ceiling
Definition of false ceiling to understand the job
fabrication installation process of false ceiling with
Gyp board / POP board / Ply / Wood. Types of
ceiling i. Grid ii. Coffered iii. Cove iv. Plain Finishing
materials used for false ceiling. Laminate, veneer,
stone, glass, acrylic sheet, MDF, paints, wall paper,
fabric, stainless steel, wood. (12 hrs.)
Duration Professional Skills
(Trade Practical)
Professional Knowledge
(Trade Theory)
Learning Outcome Assessment Criteria
Draw different types of false ceiling by
using CAD.
➢Illustrate application of different types
of ceiling and levels.
➢Execute the layout and material
knowledge.

Introduction
❖ The trend of flat and simple ceilings is fading. Today, individuals
are looking for products to make the ordinary flat ceiling look
appealing at a minimal cost. With the recent fall in the cost of
false ceiling materials, the ceilings of commercial or residential
spaces can be easily decorated.
❖ False ceilings are often known as drop ceilings or suspended
ceilings as they are literally dropped or hung from the main
ceiling.
❖ The different types of false ceilings seen in homes, offices,
shopping complexes, restaurants, and theatres are generally
the second ceiling hung below the main structural ceiling. The
area above the false ceiling is called the plenum space, as it is
sometimes used for the Heating, Ventilation and Air-
conditioning (HVAC) air return.
4

Introduction
❖ A room with a higher ceiling takes time to cool. In such cases,
drop ceilings help cool the room by reducing the space for the
air-conditioner. Covering the upper area with suspended ceilings
has various other advantages. It conceals the air-conditioning
ducts and wiring, the light frames and fixtures, security cameras,
fire sprinklers and other fixtures. It adds beauty to the ceiling
and provides a base for all kinds of decorative lights and fans.
❖ The false or drop ceiling is a good illustration of contemporary
(modern) architecture in residential as well as commercial
applications. Different spaces, lifestyle, and preferences demand
the use of different types of false ceiling materials.
❖ We will find out to know more about the various types of false
ceilings designs and materials that can be used to boost/
improve your home decor.
5

History of False Ceiling
❖ History of false ceiling started when Dropped ceilings were firstly used
in Japan for the purpose of aesthetics in Muromachi period (1337 to
1573) later Black Friars theatre in London, England, built in 1596, had
dropped ceilings to aid acoustics.
❖ On 24th October 1950 Remmen and Bibb designed first fully developed
grid system concept. Modern dropped ceilings were built using
interlocking tiles and the only way to provide access for repair or
inspection of the area above the tiles was by starting at the edge of the
ceiling, or at a specifically designed "key tile", and then removing the
tiles one at a time until the desired place of access was reached. Once
the repair or inspection was completed, the tiles had to be reinstalled.
This process was very time-consuming and expensive.
❖ On September 8, 1958 Donald A. Brown of Westlake, Ohio designed
Accessible Suspended Ceiling Construction. This invention helped
suspended ceiling construction in which access is readily obtained at
any desired location.
Japan - 1337
London - 1596

Purpose of False Ceiling
❖ It improves aesthetical appearance (form, color, treatment etc.) and proportions by
managing room – heights basically and remaining are as follows:
❖ Hides ducting and reduces the volume of room. Ugly structural members like beams,
etc. that usually spoil the ‘look’ of the room are concealed.
❖ Provides insulation from heat.
❖ Acoustical improvement.
❖ As a design element to create various shapes and curves.
❖ Fire safety is always a factor in several industrial buildings, ceiling tiles made from
mineral fibres or fire-rated wood panels can be used within the construction to meet
acceptable standards and ratings. Differing levels of fire protection are obtained from
the various types of ceiling available.
❖ Anti-microbial performance. The control of bio-contamination is essential in
healthcare settings such as hospitals and large commercial kitchens.

Purpose of False Ceiling
❖ Light reflectance. A ceiling with that reflects more light can reduce lighting and
electricity costs.
❖ To accommodate lighting systems. To provide lighting effects such as hidden lighting
etc.
❖ Soil resistance and cleanability. Environments that are subject to a lot of dirt such as
certain manufacturing buildings may need ceilings that can resist dirt and are easy to
clean.
❖ At some places to hide ugly trusses (commonly known as Attic).
❖ Sound proof rooms such as meeting rooms, conference rooms, etc., which require a
quite environment.
❖ Echo reduction in cinema and concert halls.
❖ Sound absorption reduces noises and reduces reverberation within the area covered
by the ceiling.
❖ Reduces overall volume of the space which reduces air conditioning cost.

Properties of a good False Ceiling
❖ It should be Durable, and portable.
❖ Material used should be Light weight.
❖ Should be Water proof.
❖ Should have great Fire resistance.
❖ Easy installation.
❖ Sound proof.
Sketch – Heat Insulation

Elements of False Ceiling
A suspended ceiling system consists of three parts:
o Primary Members
o Secondary Members and
o Main Ceiling Material or Tiles (e.g. acoustic boards, cloth etc.)
These primary and secondary members are called the structural members and form the
framework on which the boards, lighting fixtures, A.C ducts etc. are fixed. The above
diagram depicts all the important parts of a false ceiling (suspended ceiling) system.
Main Runner
Secondary member
Perimeter section Hanging member
Tile

TYPES OF FALSE CEILING SYSTEMS:
Suspended ceilings are created using metal grid systems, which
are suspended below the ceiling or roof deck using a series of
wires. The grid is then filled in with ceiling tiles, which are
primarily made from mineral fiber blends. Depending up on the
appearance and visibility of the members, false ceilings are
classified in to two types. They are:
1.0 Exposed grid
2.0 Concealed grid
Typical concealed grid arrangement
Typical exposed grid arrangement

1.0 EXPOSED GRID SYTEMS:
A system where the grid is visible and into which panels are laid.
The grid is finished in colours to harmonise (match) or contrast
with the panels is known as exposed grid type ceiling.
Exposed grid varieties are the most common type of suspended
ceiling.
They consist of long metal strips, called "mains," which are
interconnected with shorter metal pieces known as "tees.
Together, the mains and tees form a grid system, which are then
filled with acoustical ceiling tiles.
Exposed grid suspended ceiling systems can contribute to passive
fire protection.
The system is rapid to install and can provide a high degree of
access to the ceiling void.

HANGER WIRE
• Where hangers wires pass through main runners, the loops shall be
sharply bent and tightly wrapped to prevent vertical movement of the
runner within the loop.
MAIN TEE
• The main runners shall be installed so that they are level. Levelling shall
be done with the supporting hangers firm to prevent any subsequent
download movement when the ceiling loads are applied.
CROSS TEES
• Cross tees that are supported by either main runners or other cross tees
shall be installed so that from a right angle with the interesting runner.
• Cross tees over 600mm long which are cut and rest on the wall angle
shall be supported by an additional hanger.

WALL ANGLE
• Wall angle shall be neatly jointed at all external and internal
angles.
• All wall angle shall be firmly fixed at the specified centres to
the perimeter wall or other structure.

2.0 CONCEALED GRID SYSTEMS:
Concealed grid systems use the acoustical tiles to hide the grid
system from view.
This creates a smooth, clean which is aesthetically pleasing.
The tile used has a small groove built into it's perimeter, which
slides over the mains and tees to cover them.
Various metal and a few kinds of pop ceilings come under this
category.
This type is more expensive than an exposed system.
This kind of false ceiling system is difficult for maintenance to
access areas above the ceiling.
Tile
Tile Tile Tile
Tile
Tile
Typical Concealed grid arrangement

2.0 CONCEALED GRID SYTEMS:
SOFFIT CLEAT:
• Soffit cleat is used to hold the ceiling angle vertically in position. Soffit cleat
is fixed to ceiling with help of fasters. Ceiling angle is connected to soffit clit
with uses of metal to metal screws.
PERIMETER CHANNEL:
• Perimeter channel is fixed along the periphery of false ceiling area.
• The perimeter channel is fixed to wall with help of screw and
serves as supports of intermediate channels.
INTERMEDIATE CHANNEL:
• Intermediate channel acts as basic skeleton to hold the suspended ceiling
system.
• Intermediate channel is fixed to ceiling angels by using metal to metal
screws.
• Ceiling section is connected to intermediate channel through connecting
clip.

2.0 CONCEALED GRID SYTEMS:
CEILING SECTIONS:
• Ceiling section is hold by intermediate channel with the
help of connecting clip.
• Gypsum board is fixed to ceiling section with the help of
drywall screws.
CONNECTION CLIP:
• Connecting clip is used to connect ceiling section to intermediate
channel.
DRYWALL SCREWS:
• Drywall screws are used to fix gypsum sheet to ceiling section.

Exposed Grid System Concealed Grid System

Materials used for False Ceiling
Materials used for False Ceiling
Plaster of
Paris
Gypsum
Board
Wood or
Plywood
Metal PVC
Fabric or
Cloth
Mineral
Fibre board Glass
Exposed Grid system Concealed Grid system

Types of False Ceilings
There are numerous types of false ceiling used in home interiors. False ceilings can be
differentiated in several ways according to their applications, materials utilized, appearance, and
visibility. However, the most common classification is based on the materials used. Here are the
Eight major types of false ceilings widely used.
21
01. Plaster of Paris (POP) False Ceilings
02. Gypsum Board False Ceilings
03. Wooden or Plywood False Ceilings
04. Metal False Ceilings
05. PVC False Ceilings
06. Fabric or Cloth False Ceilings
07. Mineral Fibre False Ceilings
08. Glass False Ceilings
Let’s get to know each of these types with their advantages and dis-advantages.

o Plaster of Paris (POP) is the most commonly used false
ceiling.
o The name is derived from the large deposits of gypsum in
the Montmartre hill in Paris.
o Gypsum when heated softens, releases water, and forms
POP. When water is added, POP hardens instantly.
o The Chemical name of Plaster of Paris is Calcium Sulphate
Hemihydrate.
o Plaster of Paris does not generally shrink or crack when dry,
making it an excellent medium for casting molds.
o It is commonly used to precast and hold parts of ornamental
plasterwork placed on ceilings and cornices.
23

o It is applied on fiberboard or a wood base, which is then
suspended from the ceiling to form the false ceiling. The POP
false ceiling looks attractive and has a long lifespan.
o POP are excellent thermal insulators (heat-proofing).
o This kind of drop ceilings not only hides the hideous
members of construction like the ventilation ducts and
conduits but also gives a smooth finish to the ceiling.
Advantages of POP False Ceilings:
o It gives a smooth, uniform finish. It is mouldable into any
shape as per the design.
o The surface can be painted depending on your interiors.
o They are lightweight and durable.
24

o Cornices, an ornamental moulding round the wall of a room
just below the ceiling is easily made using POP.
o It is ideal for homes that require an indirect form of artificial
light.
Dis-advantages of POP False Ceilings:
o The process of mixing the content of POP on-site is messy
and tedious. Naturally, a lot of cleaning is needed after
installing this type of suspended ceilings.
o Skilled labour is required for precise application and thus
labour cost for applying plaster of Paris is high.
o A lot of POP mixture is wasted during the application
process.
o The POP false ceiling has a higher risk of cracking in
comparison to others.
25

o Gypsum is soft, light weight hydrated sulphate of calcium.
o Earlier it was very laborious work to install a roof with the
traditional methods, but with the arrival of gypsum boards
for false ceiling, it became easy to install and also cheaper.
o A gypsum false ceiling is made using gypsum boards, sheets,
or ceiling tiles.
o Gypsum false ceiling consists of gypsum boards that are
being supported by Iron framework.
o Gypsum board are available in 1200mm wide sheets and in
lengths of 1800mm, 2400mm 3000mm and 3600mm, so they
quickly cover large wall and ceiling areas.
o Gypsum ceiling tiles are available in 600mm × 600mm or
600mm x 1200mm. They are placed in the form of square
planks with the support of the metal frame.
26

o It is available in variable thickness of 8mm, 9.5mm, 12.5mm,
15mm, 16mm, 18mm and sizes as well.
o It is quite light weight and is easy to install.
o Since gypsum is fire-resistant and soundproof, it is a
preferred material for drop ceiling.
o The finishing of gypsum board ceilings can be done on the
boards with paints, laminates, or wallpapers, thereby
enhancing the appearance of the home interiors.
Advantages of Gypsum False Ceilings:
o Gypsum board is quite flexible. It allows various shapes and
designs such as plain, stepped, curved, coffered, pelmet,
drop design, etc.
27

o Glass fibre-reinforced gypsum board makes excellent
insulation material.
o When exposed to fire, gypsum gives out water, which is
converted to steam and helps to combat the fire. This makes
the ceiling fireproof.
Dis-advantages of Gypsum False Ceilings:
o It cannot be used in rooms with damp conditions like the
bathroom or laundry room.
o It cannot be moulded (shaped) like POP ceilings.
o Recycling gypsum false ceiling is tough. Hence, it mostly ends
up in landfills.
o The POP false ceiling has a higher risk of cracking in
comparison to others.
28
Rounded
Tapered
Bevelled
Square Edge
Tongue & Groove

29
PoP Ceiling
• Cheaper but difficult
installation.
• Sheet size 2’ x 3’.
• Requires more framework.
• More joints.
• Heavier than gypsum.
• More possibility of
cracking.
• Harder to work.
• More messy.
• Less strength .
• Shorter life span.
Gypsum Ceiling
• Costlier but easy installation.
• Board size 4’ x 6’
• Less framework required.
• Lesser joints required.
• Lighter than POP.
• Less possibilities of cracking.
• Easy to work.
• No mess is created.
• More stronger than POP.
• Long lasting.
Comparison

03. Wooden False Ceilings or Plywood False Ceilings
o Some home owners fancy natural and country-side beauty
and serenity in their home interiors. The best way to
achieve this rustic look is by using wooden beams on the
ceilings.
o These wooden panels can be used to create several patterns
that render a modern and attractive appeal to the ceiling.
o Wooden false ceilings also make a fine focal point for a
room.
o Owing to their natural textures and design, wooden false
ceilings are being increasingly preferred by modern
homeowners.
o These ceilings also given different finishes to make them
look more attractive.
30

o Wooden false ceilings can be made either with hollow
wooden blocks, wooden panels, wooden boards, or
plywood.
o The wooden blocks can be easily installed using nails and
screws.
o They are generally used in regions with cold weather
conditions.
Advantages of Wooden False Ceilings:
o They are strong and attractive.
o They can be given various finishes or painted to get the
desired look.
o They can be easily treated to increase their lifespan.
31

Dis-advantages of Wooden False Ceilings:
o Wooden ceilings are difficult to maintain as they are prone
to termite attacks.
o The room has to be thermally controlled to reduce the
humidity in the air.
o Wood is also prone to warping and other physical changes
that happen over time.
o Wooden false ceiling is costly; hence, one needs to consider
the total false ceiling cost before going ahead.
o Wooden ceilings are less desirable for malls, hospitals, or
large areas. However, they can be effectively installed in
residential buildings and offices.
o Compared to other materials wooden ceiling is heavy.
32

o Metal is a durable home-decor material. Its lustre (shine)
adds beauty and a sophisticated appeal to the interiors.
o Metal false ceilings are available in a form of ceiling tiles,
planks, and panels. The most common metals used for drop
ceilings are galvanized iron and aluminum.
o Metal ceiling tiles of different sizes and thickness are
available for the purpose of creating an internal false ceiling.
o The metal ceiling tiles or panels can be laid on a visible steel
grid with T-sections or cross-sections that are suspended
from the ceiling using rods.
o These tiles are available in many designs and have the ability
to create a historic look with a contemporary (modern)
touch!
33

o This makes metal ceilings an ideal choice when considering
false ceiling designs for living room and other high-traffic
areas.
o Fixing and installation of the metal sheets is quite easy and
consumes minimum labour.
o The hidden members of the structure are easily accessed as
the metal ceiling tiles or panels can be easily removed and
reattached.
o The construction cost is minimal as the installation, fixing,
and maintenance of metal false ceilings is low.
34

Advantages of Metal False Ceilings:
o They are ideal for workspaces which require clean
environments and maintenance, such as the machinery
rooms or Air Handling Units (AHU).
o Fire resistance is a huge advantage of metal false ceilings.
This makes it ideal for homes and offices where fire safety is
a concern.
o They do not crack or warp with time and retain their shape.
So, peeling is unheard of.
o Metal ceilings need almost zero maintenance and repair.
o Acoustical performance achieved through perforation
35

Dis-advantages of Metal False Ceilings:
o Metal tiles do not have many dis-advantages, except for the
cost of genuine metal materials.
o The investment can be substantial plus the cost of a
protective coating to prevent corrosion over a time!
36
Types of Metal Ceiling
Clip and Tile Plank S- Curve shape Open Cello

05. Poly Vinyl Chloride (PVC) False Ceilings
o PVC ceilings are lightweight, moisture-resistant, and a
perfect solution to prevent the dripping of water from the
ceiling.
o PVC ceiling tiles solve the problem of dirty and unhygienic
ceilings as they are easy to clean and maintain.
o It is one of the few types of false ceiling that are easy to
install, lightweight, waterproof, termite-proof, and need
very little maintenance.
o Being non-porous and non-absorbent, they can incorporate
flush-fitting ceiling lights, other types of lighting, access
hatches, air vents, and sprinklers with ease.
o They are available in various colours and can be painted and
polished too.
37

Advantages of PVC False Ceilings:
o PVC ceilings are inexpensive to make and install.
o They are mass-produced and available through a wide
variety of distributors.
o You can get almost any colour you desire.
o PVC false ceilings are durable and sturdy.
o They last for a very long time and need very little
maintenance.
38

Dis-advantages of PVC False Ceilings:
o Though the chlorine in PVC makes these ceilings fire-
resistant and durable, it is a dangerous and toxic gas in its
natural state and a well-known carcinogen (cancer causing
agent). Hence, excessive exposure to PVC can cause serious
health issues.
o PVC is less attractive compared to other false ceiling
materials.
39

o Fabric is economical and can be draped (dressed) across the
ceilings for temporary purposes in places such as churches,
yoga rooms, restaurants, ballrooms, and function halls.
o They are not highly recommended as they collect dust over
a period of time.
o The light diffused through fabrics provides a comfortable
intensity and renders a warm mood to the room.
o This kind of false ceiling is not as functional as others but
definitely elevates the look of a room.
40

Advantages of Fabric False Ceilings:
o Installation is quick, easy, and does not require a highly
skilled professional.
o Very few types of false ceilings can match the aesthetic
value added by high-quality fabric.
Dis-advantages of Fabric False Ceilings:
o Cloth accumulates dust and stains easily. It also absorbs
odours.
o It cannot be used as a permanent home decor feature.
41

o Mineral fibre ceiling tiles are developed by natural or
synthetic minerals.
o This type of drop ceiling uses mineral tiles that are ceramics,
reinforced with natural stone, wood, vegetable fibre,
bitumen, and tars.
o These elements increase the insulation capacity of the
product. Therefore, they are perfect for areas where heat
and sound insulation is needed.
o Mineral fibre ceiling tiles are available in a variety of sizes,
shapes, and patterns.
42

Advantages of Mineral Fiber False Ceilings:
o They have high insulation against sound and fire.
o The fibre element in these tiles increases the hardness and
toughness of the material.
Dis-advantages of Mineral Fiber False Ceilings:
o Cannot be used for residential areas as they are not
appealing (attractive) for home interior.
o They are highly susceptible to water damage.
43

o Glass is a non-crystalline, brittle, and transparent material.
Because of its transparency, it makes a living or working
space look bigger and grand.
o It can be used for the false ceiling of places such as
restaurants and libraries.
o Glass is a good heat insulator too.
o Glass can be made non-brittle and opaque using certain
admixtures or processes. This not only makes glass false
ceilings safe but also tackles the issue of lack of privacy.
o Glass used in ceiling are treatment glass such as frost glass,
back painted, stained glass, mirror etc.
44

Advantages of Glass False Ceilings:
o It allows the eyes to travel and explore the space without
obstruction. Glass creates the illusion of depth, it makes the
room visually higher.
o Glass can be coloured, patterned, or laminated to create an
interesting focal point for a room.
o Suspended glass ceiling with stained-glass panels can be
decorated with the image, ink jet or sticker on the top of
transparent glass.
o Resist moisture and temperature fluctuations.
45

Dis-advantages of Glass False Ceilings:
o The glass ceiling panels need to be handled with care during
the installation process.
o Glass is one of the most expensive false ceiling materials
available.
o Suspended glass ceilings are quite heavy compared to other
ceiling materials.
o Most dangerous if glass tile breaks during work.
o Not advisable in earthquake prone areas.
o Dust and dirt easily show on glass. Hence, it needs to be
cleaned on a regular basis.
o Its fixing requires special skills and specific fixtures.
46

AutoCAD Drawings of False Ceiling work
52

53

54

Few False Ceilings Designs of the Designers
55
POP False Ceiling in Criss-Cross Lines with
Cove Lights
POP False Ceiling with Criss-Cross Pattern
in Centre & Cove Lights Around
3D Digital Printed False Ceiling in Circular
Wooden Panelled False Ceiling with
Recessed Lighting & Cove Lighting
Geometric Design in POP False Ceiling
with Recessed Lighting & Cove Lightings
Combination of POP & Wood False Ceiling for Rectangle
Living Room with Recessed & Cove Lights

56
PVC False Ceiling Design for Dining Table
POP False Ceiling with Acrylic Floral Jali
Design Highlighted with Recessed & Cove
Lights
POP Oval Shaped False Ceiling with Chandelier
Floral MDF Decorative False Ceiling
Highlighted with Cove Lights in centre with
Wood Panels
POP False Ceiling with Cove Lighting for
Bedroom
POP & CNC Cutting MDF False Ceiling

57
POP False Ceiling in Symmetrical Pattern
Highlighted with Crystal Ceiling Lights &
Recessed lights
Acrylic Flower Pattern Jali False Ceiling
with Cove lights
POP False Ceiling with Cove & Recessed lights for
Children Bedroom
Combination of POP & Wooden False
Ceiling with Cove & Recessed LED lights
POP False Ceiling with Cove & LED Lights
for Bedroom
Acrylic False Ceiling Jali with Random Line Patterns with Cove
Lights

58
POP Circular-Shaped False Ceiling over Rectangle-Shaped Ceiling
Ornamented with Cornice Border with the Highlighter
Chandelier & Cove lights
Colourful POP False Ceiling Including Bold Geometric Shapes
with Cove & Recessed lightings
POP False Ceiling for Rectangle Room with Attractive Chandelier in Centre &
Cove lights Around
False ceiling increases the
aesthetic appeal of the home
interiors, hides all the ugly
elements and fixtures, and
imparts a smooth finish to the
ceiling. No wonder, most malls,
hospitals, theatres, offices, and
residential buildings are employing
innovative false ceiling materials
to improve the attractive appeal
of their spaces.

Lights used in False Ceiling
59
Recessed Light
Recessed Light
Recessed Light
Surface Light
Cove Light Suspended Light
Rope Light
Spot Light
Surface Light
Flush Light
LED Strip Light

Top Five False Ceiling Brands in India
60

Multiple Choice Question (MCQ) on False Ceiling
61
Sr.
No.
Question Option-A Option-B Option-C Option-D Answer
1 What is the name of overhead
interior surface that covers the
upper limit of a room?
Flooring Ceiling Beam Column B
2 What is the name of the ceiling
form (based on shape)?
Gabled ceiling Vaulted ceiling Domed ceiling Pyramid-
centred ceiling
A
3 What is the type of ceiling that is
made beneath the main ceiling of
the room (or) building?
Main ceiling True ceiling False ceiling Beam ceiling C
4 Which type of false ceiling is light
weight and easy to install?
Plywood
ceiling
Glass ceiling Metal ceiling Gypboard
ceiling
D

62
Sr.
No.
5 Which type of false ceiling is a
mixture of calcined gypsum, sand
and water?
Metal ceiling Fiber ceiling Pop board
ceiling
Glass ceiling C
6 Which is the type of false ceiling? Cove ceiling Coffered
ceiling
Tray ceiling Grid ceiling C
7 Which false ceiling creates waffle
like pattern?
Tray ceiling Coffered
ceiling
Grid ceiling Plain ceiling B
8 Which material is used in the
false ceiling?
MDF Veneer Synthetic
leather
Acrylic ceiling D

63
Sr.
No.
5 Which type of ceiling uses
aluminium as its material?
Metal ceiling Glass ceiling Plywood
ceiling
Laminate
ceiling
A
6 Which ceiling uses fabric as its
material?
Synthetic
leather
Wallpaper Veneer Acrylic A
7 Which type of finishing material
is used?
Wall paper Glass Wood Stone A
8 Which is the type of false ceiling? Cove ceiling Coffered
ceiling
Tray ceiling Grid ceiling C

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