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S o u t h A f r i c aManual
Technical
Index
Ind
ex
Ind
ex
1 Lafarge Gypsum South Africa Product Range:
2 Introduction to Lafarge Plasterboard:
Plasterboard Properties
Building with Plasterboard
3 Introduction to Lafarge Plasterboard:
1111
11-1212
12-13
13-141414
14-15151515
17
212122
22-23
242424252525
4142
53-55
Technical Manual South Africa
Ind
ex
Ind
ex
Technical Manual South Africa
Index
4 Lafarge Ceiling Systems:
Steel Brandering
717273
74-7777
Introduction
Ind
ex
Ind
ex
technical interior solutions.
products are also distributed to specialised resellers and hardware stores
For more information, visit www.lafarge.co.za
Technical Manual South Africa4
Pro
du
ct R
an
ge
Pro
du
ct R
an
ge
Lafarge Gypsum South Africa Product Range
-
Standard
plasterboards
6.4mm square edge
9mm tapered edge
12mm tapered edge
15mm tapered edge
Technical
Plasterboards
12,5mm & 15mm FirecheckTapered edge
12,5mm & 15mm MoistureCheck Tapered edge
Lafarge
Gypsum
plasterboards
resistance, acoustic
when used in conjunction with
insulation
Lafarge
Gypsum
Partition &
metal system
sections
Lafarge Gypsum Studs
Lafarge Gypsum Track
Lengths 0f 3000mm
Lengths64,00
35,0
0
65,00
24,0
0
Plasterboard Types
Technical Manual South Africa 5
Pro
du
ct R
an
ge
Pro
du
ct R
an
ge
T Bar Grid Ceiling System
T Bar System
Exposed main tee’s25mm white cap face
Exposed cross tee’s
Plaster Grid main tee’s35mm galvanized knurled face
Plaster cross tee’s
LaFarge Gypsum T Bar
System Accessories
Exposed Main Tee
Plaster Grid Main Tee
Exposed Grid Cross Tee
Plaster Grid Cross Tee
Technical Manual South Africa6
has been designed as an
Steel brandering can also be
in direction and easier
in using steel brandering
transportation, handling and
LaFarge Gypsum
Steel Brandering
System
Knurled
Suspension bracket Straight joiner
LaFarge Gypsum Steel
Brandering Accessories
Shadow line Plastertrim 12mm board
Shadow line Plastertrim 9mm board
Shadow lineWall angle
StandardWall angle
Straightjoiner
2 wayjoiner
3 wayjoiner
4 wayjoiner
DIE 6640Plaster Ceiling Junction
DIE 6640Plaster Board Trim
Steel Brandering
Perimeter Trims
Pro
du
ct R
an
ge
Pro
du
ct R
an
ge
Technical Manual South Africa 7
Pro
du
ct R
an
ge
Pro
du
ct R
an
ge
appearance.
plasterboard sheet orientation,
conditions, it is possible to attain
LaFarge Gypsum range
of plaster compounds
Plaster product(Full skim)
Finishing product(Full skim)
Jointing product(Plasterboard joints)
LaFarge Gypsum
Plasters
Technical Manual South Africa8
Introduction to Lafarge Plasterboard
Introduction to Lafarge Plasterboard
Product Range
Plasterboard properties
The plasterboard manufacturing process operates under strict
environmental guidelines, adhering to and encompassing the following:
PRODUCT RANGE IDENTIFICATION
Intro
du
ctio
nIn
dtro
du
ctio
n
Technical Manual South Africa 9
La
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Introduction to Lafarge Plasterboard
La
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Technical Manual South Africa10
La
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Introduction to Lafarge Plasterboard
Building with Plasterboard
Dimensional Stability:
°
° °
Thermal Properties:
2
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Technical Manual South Africa 11
La
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Introduction to Lafarge Plasterboard
2
2
2
2
There are three types of acoustic functions-
a) Internal Sound Insulation:
b) External Sound Insulation:
junctions between objects.
dB
dBA
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Technical Manual South Africa12
Introduction to Lafarge Plasterboard
Rw
DnT,w
L’nT,w
Rw + Ctr
NRC
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laste
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La
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Technical Manual South Africa 13
La
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Introduction to Lafarge Plasterboard
Evaluation Criteria
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Technical Manual South Africa14
Introduction to Lafarge Plasterboard
1.2 CONTEXTUAL APPLICATION & PROTECTION
installation and prior to painting. Rain entering unsealed buildings, water on
To minimize the effects of condensation: La
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Technical Manual South Africa 15
La
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Introduction to Lafarge Plasterboard
conditions
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Technical Manual South Africa16
Introduction to Lafarge Plasterboard
apart.
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Technical Manual South Africa 17
La
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Introduction to Lafarge Plasterboard
General
Lafarge Gypsum steel framing
door openings.
channel.
corners.
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Technical Manual South Africa18
Introduction to Lafarge Plasterboard
Insulation
Services
Install Lafarge Plasterboard
Vertical Joints
Horizontal Joints
Acoustics
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Technical Manual South Africa 19
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Introduction to Lafarge Plasterboard
Fire stopping
adjacent to where the studs are postitioned.
Drylining:
1.4 LaFarge Plasterboard Finishing Guide
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Technical Manual South Africa20
Introduction to Lafarge Plasterboard
NB:
between coats.
NB: Remember to clean off all excess Lafarge Jointing Plaster and
feather out.
prior to decoration.
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Technical Manual South Africa 21
La
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Introduction to Lafarge Plasterboard
between coats.
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Technical Manual South Africa22
Introduction to Lafarge Plasterboard
Level Joints Interior Angles Accessories Fasteners Surface
1 Tape set in joint Tape set in joint
2
and wiped with a
tape.
wiped with a joint one additional coat
3
and one
jointing
joints.
one additional coat one additional coat
4
and one
jointing
joints.
one additional coat two separate coats
5
and wiped with
tape and taper.
wiped with a joint
tape and taper.-
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Technical Manual South Africa 23
Internal partition system
Plasterboard.
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Lafarge Fixed Partition Systems
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Plasterboard Jointing
Internal Partitioning System
Typical Plaster Joint Detail - Tape & Joint
Typical Locating of Studs
Internal Partitioning System
Typical Plaster Joint for Flush Plastering
twist
twist stud into position
Technical Manual South Africa24
Typical Partition Layout
Internal Partitioning System
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Lafarge Fixed Partition Systems
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Typical Stud Location at Door Openings
Internal Partitioning System
constructed as per detail
solid doors
cts at ends
Typical Partition Corner Details
Internal corner
Internal corner
door opening
stud
partitions
Technical Manual South Africa 25
Typical Floor Track Location on Corners
Internal Partitioning System
the studs are positioned.
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Lafarge Fixed Partition Systems
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Typical Door Frame Details
Internal Partitioning System
plaster board location on
other side
Typical “T” Junction Details
Internal Partitioning System
1. T-junction studs erected as
per details allowing
internal corner
centre line
1. T-Junction Detail
2. T-Junction Detail
internal corner
centre line
Technical Manual South Africa26
Joints
Material= Lafarge Jointing Plaster and Fibatape.
Full Skim
Material= Lafarge Skimstone, Lafarge Finishing Compound.
Corners
Material= Lafarge Gypsum metal corner bead.
“Follow the instructions as supplied by the paint manufacturers to
Lafarge Fixed Partition Systems
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Technical Manual South Africa 27
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Lafarge Fixed Partition Systems
Lafarge Fixed Partition Systems
up to 3600mmL
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LPS51-0/1
WALL PROPERTIES
Material Used
APPLICATION DETAIL
LPF 58-0/1
side
WALL PROPERTIES
Material Used
APPLICATION DETAIL
600,00
A: 58mm Lafarge steel stud
B: 59mm Lafarge steel track
C: 15mm Fire Check board
600,00
A: Lafarge 51mm steel stud
B: Lafarge steel track
C: 12mm Plasterboard
Technical Manual South Africa28
Lafarge Fixed Partition Systems
LPS64-0/1
WALL PROPERTIES
Material Used
APPLICATION DETAIL
LPF64-30/1
WALL PROPERTIES
Material Used
APPLICATION DETAIL
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Technical Manual South Africa 29
LPF64-60/2
WALL PROPERTIES
Material Used
APPLICATION DETAIL
LPF64-60/1
side
WALL PROPERTIES
Material Used
APPLICATION DETAIL
and ceiling
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Lafarge Fixed Partition Systems
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Technical Manual South Africa30
LPF64-60/3
WALL PROPERTIES
Material Used
APPLICATION DETAIL
Lafarge Fixed Partition Systems
LPF102-60/1
each side
APPLICATION: Residential
WALL PROPERTIES
Material Used
APPLICATION DETAIL
stagger joints
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Technical Manual South Africa 31
LPF64-120/1
Plasterboard on each side
WALL PROPERTIES
Material Used
APPLICATION DETAIL
plasterboard to both sides
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Lafarge Fixed Partition Systems
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LPF64-120/2
sideWALL PROPERTIES
Material Used
APPLICATION DETAIL
plasterboard to both sides staggering all joints, using
Technical Manual South Africa32
Lafarge Fixed Partition Systems
LF
G p
arti
tio
n s
yste
mK
ey F
eatu
res/
dra
win
g?
So
un
d
Red
uct
ion
Fir
e
Res
ista
nce
Par
titi
on
Wid
th
Ap
pro
xim
ate
Wei
gh
t 2
Hei
gh
tS
egm
ent/
s
LP
S 5
1 -
0/1
LP
F 5
8 -
0/1
LP
S 6
4 -
0/1
LF
S 6
4 -
30/1
LP
F 6
4 -
30/1
(4,
2)
23 23 21 214.
2
Res
iden
tial
Res
iden
tial
Res
iden
tial
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Technical Manual South Africa 33
La
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Lafarge Fixed Partition Systems
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LF
G p
arti
tio
n s
yste
mK
ey F
eatu
res/
dra
win
g?
So
un
d
Red
uct
ion
Fir
e
Res
ista
nce
Par
titi
on
Wid
th
Ap
pro
xim
ate
Wei
gh
t 2
Hei
gh
tS
egm
ent/
s
LP
F 6
4 -
60/1
45 d
B11
2
23R
esid
entia
l
Res
iden
tial
Res
iden
tial
LP
F 6
4 -
60/2
LP
F 6
4 -
60/3
Technical Manual South Africa34
LF
G p
arti
tio
n s
yste
mK
ey F
eatu
res/
dra
win
g?
So
un
d
Red
uct
ion
Fir
e
Res
ista
nce
Par
titi
on
Wid
th
Ap
pro
xim
ate
Wei
gh
t 2
Hei
gh
tS
egm
ent/
s
LP
F 6
4 -
120/
2
LP
F 1
02 -
60/
1
LP
F 1
02 -
120
/1
55 d
B
115
115
124
54
4.2
LP
F 6
4 -1
20/1
LP
F 6
4 -
120/
1 (4
,2)
Pla
ster
boar
d on
eac
h si
de. S
teel
stu
ds s
pace
d at
132
24R
esid
entia
l
Res
iden
tial
Lafarge Fixed Partition Systems
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Technical Manual South Africa 35
La
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Lafarge Fixed Partition Systems
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MA
XIM
UM
PA
RT
ITIO
N H
EIG
HT
S
30 Minutes 60 Minutes
Plasterboard Partition from 3600mm to 8000mm in height
a oar
Technical Manual South Africa36
Lafarge Fixed Partition Systems
90 Minutes 120 Minutes
Plasterboard Partition from 3600mm to 8000mm in height
a oar
MA
XIM
UM
PA
RT
ITIO
N H
EIG
HT
S
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Technical Manual South Africa 37
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Lafarge Fixed Partition Systems
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30 Minutes 60 Minutes
Plasterboard Partition over 8000mm in height
MA
XIM
UM
PA
RT
ITIO
N H
EIG
HT
S
Technical Manual South Africa38
a oar
Lafarge Fixed Partition Systems
90 Minutes 120 Minutes
Plasterboard Partition over 8000mm in height
MA
XIM
UM
PA
RT
ITIO
N H
EIG
HT
S
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Technical Manual South Africa 39
a oar
Lafarge 89mm Partition System
3D Door DetailL
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Technical Manual South Africa40
Lafarge Door Frame Kit
Lafarge Fixed Partition Systems
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Technical Manual South Africa 41
Lafarge Window Frame Kit
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Lafarge Fixed Partition Systems
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Technical Manual South Africa42
43
Lafarge Fixed Partition Aluminium Trim
Accessories
76mm Lafarge Fixed Partition System (12/12.5mm Plasterboard)
Female Aluminium Sections Male Aluminium Sections
84,10 mm for 76mm Partition
Die 60594 Leg Door Frame(12mm Board)
84,10mm for 76mm Partition
Die 60604 Leg Head/WallChannel (12mm Board)
84,10mm for 76mm Partition
Die 60562 Leg Clip on Termination
mm for 76mm Partition
Die 6507Traditional Door Frame(12mm Board)
84,10
84,10 mm for 76mm Partition
Die 66684 Leg Glazing (12mm Board)
84,10 mm for 76mm Partition
Die 66804 Leg Double Glazing(12mm Board)
84,10mm for 76mm Partition
Die 61632 Leg Clip on Door Frame
84,10 mm for 76mm Partition
Die 66672 Leg Clip on Glazing
Lafarge Fixed Partition Systems
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Technical Manual South Africa
Lafarge Fixed Partition Aluminium Trim
Accessories continued
89mm Lafarge Fixed Partition System (12/12.5mm Plaster Board)
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Lafarge Fixed Partition Systems
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84,10 mm for 76mm Partition
Die 6165Recessed Head(12mm Board)
14,00
15,0
0
Die 6674 Aluminium Glazing
97,10mm for 89mm Partition
Die 6508Traditional Door Frame(12mm Board)
31,5017
,40
Die 6638 12mm Plasterboard Trim
97,10mm for 89mm Partition
Die 66822 Leg Clip on Double Glazing
97,10 mm for 89mm Partition
Die 6166Recessed Head(12mm Board)
97,10mm for 89mm Partition
Die 61604 Leg Head/Wall Channel(12mm Board)
97,10mm for 89mm Partition
Die 61612 Leg Clip on Termination
Die 6206Recessed Base(12mm Board)
54,10mm for 76mm Partition
Female Aluminium Sections Male Aluminium Sections
Technical Manual South Africa44
45
Female Aluminium Sections Male Aluminium Sections
Lafarge Fixed Partition Systems
97,10
Die 66794 Leg Glazing(12mm Board)
mm for 89mm Partition 97,10 mm for 89mm Partition
Die 66764 Leg Double Glazing(12mm Board)
97,10mm for 89mm Partition
Die 61642 Leg Clip on Door Frame
97,10 mm for 89mm drywall
Die 66782 Leg Clip on Glazing
14,00
15,0
0
Die 6674 Aluminium Glazing
31,50
17,4
0
19,50
Die 630431,50
17,4
0
Die 6638 12mm Plasterboard Trim
Die 6207Recessed Base (12mm board)
67,10mm for 89mm Partition
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Technical Manual South Africa
Lafarge Fixed Partition Aluminium Trim
Accessories continued
89mm Lafarge Fixed Partition System (15mm Plaster Board)
Female Aluminium Sections Male Aluminium Sections
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Lafarge Fixed Partition Systems
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97,10mm for 89mm Partition
Die 66324 Leg Head/Wall Channel(15mm Board)
97,10 mm for 89mm Partition
Die 66774 Leg Glazing(15mm Board)
97,10 mm for 89mm Partition
Die 66334 Leg Door Frame(15mm Board)
31,50
20,4
0
Die 6637 15mm Plasterboard Trim
Lafarge Fixed Partition Aluminium Trim
Accessories continued
Aluminium Skirting: 75mm Ribbed Skirting
75,00
1,40
Die 1823
100,00
1,80
Die 1830
Aluminium Skirting: 75mm Flat Skirting
Aluminium Skirting: 100mm Flat Skirting
2,50
Die 6144
75,00
Technical Manual South Africa46
Plasterboard in single lengths to suit height, butt jointed and secured to
Plasterboard in single lengths to suit height, butt jointed and secured to
Lafarge Fixed Partition Systems
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Technical Manual South Africa 47
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Lafarge Fixed Partition Systems
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Technical Manual South Africa48
Lafarge Fixed Partition Systems
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Technical Manual South Africa 49
as detailed.
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Lafarge Fixed Partition Systems
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studs
joints to be staggered
Insulation
Insulation
and jointing
boards tapered edge
studs
to steel studs using
staggered
Typical residential wall divisions
Technical Manual South Africa50
Lafarge Gypsum steel framing:
door openings.
channel
Insulation
Services:
Install Lafarge Plasterboard:
Vertical Joints:
Horizontal Joints:
Lafarge Fixed Partition Systems
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Technical Manual South Africa 51
Acoustics:
Fire stopping:
Fixing Plasterboard to Lafarge Gypsum metal studs:
Finishing:
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Lafarge Fixed Partition Systems
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Technical Manual South Africa52
be done
Drywall:
Performance Criteria:
Framework:
Note:
Lining:
Insulation:
Lafarge Fixed Partition Systems
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Lafarge Fixed Partition Systems
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Tiling to Plasterboard:
Performance Criteria:
Framework:
Lining:
Batt
Finishing Requirements:
Ceramic Tiles:
Grouting:
Technical Manual South Africa54
Lafarge Fixed Partition Systems
Tiling to Plasterboard:
Framework:
Lining:
sealer
Finishing:
Finishing Requirements:
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Lafarge Fixed Partition Systems
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Construction Details for Wet Areas
Standard Plasterboard
Bath
Technical Manual South Africa56
Lafarge Fixed Partition Systems
objects to noggins and studs.
Note:
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For Light Fixture Loads For Medium Fixture Loads For Heavy Fixture Loads
Spit Driva PlusSpit Hallow Wall Anchor
Spit Driva Original
Spit Satelis
MFIX Cornet Fixing Channel or FS90W Cornet Flat Strap secured to studs with Lafarge Wafer Head Screws
Horizontal nogging and central stud of sawn softwood to suit size of Comet Metal Studs
300mm length of Cormet Stud
main stud with Lafarge self-tapping screws
Floor channel
as required
Drywall adhesive
12mm plywood
Lafarge Drywall Screws 100mm from stud centres
plywood
18mm plywood
Cormet Metal Angle
Cormet U Track
of plywood
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Fixtures
Very Light
Light
Medium
Heavy
Radiators
ware,
Patient bed hoists,
rails
Spit Spring Toggle
Spit Satelis
below
Fixture Load Examples Fixing Provisions NotesFixing to Lafarge Wallboards
opposite.
necessary to use a minimum of four
drilled and never punched.
For Light Fixture Loads For Medium Fixture Loads For Heavy Fixture Loads
Spit Driva Plus
Spit Hallow Wall Anchor
Spit DrivaOriginal
Spit Satelismain studing
horizontal
Section of stud
studing
Hand rail or patress frame
15mm plywood
Hand rail and support patress framing
Hand rail orpatress frame
plywood
18mm plywood
Cormet MetalAngle
Horizontal nogging and central stud sawn softwood to suit size of Cormet Metal Studs and notched into them
Cormet or FS90W Cormet Flat Strap secured to studs with Lafarge Wafer Head Screws
Technical Manual South Africa58
Lafarge Fixed Partition Systems
Plasterboard Fitting and Fixing Details
Too Shallow
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Lafarge Ceiling Systems
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Lafarge Ceiling Systems
Grid Layout for Suspended Ceilings using
1200mm Cross T-Section
Typical suspension details
Suspension Details for Exposed Ceiling Grid
Purlin
Technical Manual South Africa60
Steel including light weight steel
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Grid Layout for Suspended Ceilings using 600mm
Cross T-Section
Exposed Ceiling
Grid Layout for Lay-In Ceilings Subgrid detail
Technical Manual South Africa 61
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Lafarge Ceiling Systems
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Lay in Suspended Ceiling
tighter connection.
Tee.
position.
Dismantling Lafarge Ceiling Tees from Main Tees
Product Information
Technical Manual South Africa62
Lafarge Ceiling Systems
installation guidelines. Cross Section Details of Lafarge Ceiling Grid
Formulae to calculate materials for suspended ceilings:
a) 1200X600mm Grid:
b) 600X600mm Grid:
c) 1500X500mm Grid:
grid calculations.
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Recommendations for the Suspension of
Tee Systems
discuss suspension options.
installed.
load.
Step 1 (setting out the grid):
Steel Sections
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Lafarge Ceiling Systems
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Lafarge Ceiling Systems
opposite wall.
Step 2 (installing the grid):
sharing.
Step 3 (Checking the grid):
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Lafarge Ceiling Systems
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Tips for installing a ceiling:
Lafarge Lay-in Ceiling Grid System
Description Web Code Code Exposed Length Units per Mass kg Height Face mm box per box
Description Web Code Code Exposed Length Units per Mass kg Height Face mm box per box
24mm Faced 1500/500 Ceiling System Components
Technical Manual South Africa66
Lafarge Ceiling Systems
Note On All Suspended Ceilings:
Grid Layout for Lay-In Ceilings Subgrid detail
Description Web Code Code Exposed Length Units per Mass kg Height Face mm box per box
35mm Faced 1200/600 Ceiling System Components
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Lafarge Ceiling Systems
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Ceiling Trim Details
Lafarge Gypsum Ceiling Tiles
Technical Data:
Technical Manual South Africa68
Lafarge Ceiling Systems
Lafarge Ceiling Tiles
Features
painting.
Advantages
Applications
- RestaurantsL
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Lafarge Ceiling Systems
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guidelines
guidelines
guidelines
guidelines
Technical Manual South Africa70
Lafarge Ceiling Systems
Features
painting.
Advantages
Applications
- Restaurants
Vinyl Tile Code Nominal Thickness Type Dimension Reef
Fissured*
Shell White
Painted and Perforated Ceiling Tiles
Reef
Fissured
Shell White
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Lafarge Ceiling Systems
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Timber Brandering
Technical Manual South Africa72
Lafarge Ceiling Systems
Steel Brandering
Steel Brandering should be installed as follows:
Steel Brandering.
board.
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Lafarge Ceiling Systems
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Lafarge Gypsum 75mm Gypsum Cornice Detail
Performance:
Fire Protection:
Durability:
Acoustic Properties:
Technical Manual South Africa74
Lafarge Ceiling Systems
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Lafarge Ceiling Systems
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General.
Decoration:
Technical Manual South Africa76
Lafarge Ceiling Systems
6.4mm Flush Plastered Ceiling
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Lafarge Ceiling Systems
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Grid Layout for Plastered Ceilings using 1200mm
Cross T-Section
Suspended Plaster Grid
screws and the joints are taped and jointed.
Technical Manual South Africa78
Lafarge Ceiling Systems
Material calculations for Lafarge Plaster Grid:
Aluminium Sections
Description Web Code Exposed Finish Length Units per Mass kg Height Face mm box per box
Description Web Code Exposed Finish Length Units per Mass kg Height Face mm box per box
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Lafarge Ceiling Systems
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Lafarge Ceiling Systems
Grid Layout for Ceilings subgrid detail
Lafarge Main suspension Methods for Ceiling Grid
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Lafarge Ceiling Systems
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9mm & 12mm Flush Plastered Ceiling
Fire Rated Ceiling Systems
Fire Rated Suspended Ceiling Systems
Technical Manual South Africa82
Steel including light weight steel
Lafarge Ceiling Systems
Fixed Fire Rated Systems
engineer.
Installation details of Plasterboards to the suspended
grid or timber supportsL
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Steel including light weight steel
plasterboard.
plasterboard, Staggered.
plasterboard, Staggered.
plasterboard, Staggered.
plasterboard, Staggered.
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Grid Layout Fire Resistance Plastered Ceiling
84
Lafarge Ceiling Systems
Technical Manual South Africa
Lafarge Decorative Mouldings
Product Information:
Storage Information:
LAFARGE CORNICE UTILITY ADHESIVE:
Application:
Characteristics:
Board description
Lafarge Ceiling Systems
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Technical Manual South Africa 85
walls.
Dilution of adhesive not recommended
Cleaning of equipment:
Storage:
LafargeRoman
LafargeGrecian
LafargeClassic
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LafargeNeoClassic
LafargeDoric
LafargeClassic 110
LafargeClassic 110
LafargeMilano
Lafarge Ceiling Systems
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Fixing Instructions for Cornices
Lafarge Cove Cornice:
LafargeCyprus
LafargeTuscany
LafargeNapoli
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Technical Manual South Africa
NB: Always carry cornice on edge.Note:
Lafarge Decorative Mouldings:
to the joints.
hold.
Painting Lafarge Decorative Mouldings:
based paint.
based paint.
Lafarge Ceiling Systems
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Preparing Joints and Corner Mitres of Cornices
Types of corner mitres:
Mitred Joints:
corners.
BEFORE STARTING, NOTE WHICH WAY UP THE CORNICE SHOULD BE FITTED
Cutting Cornice:
length to corner
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Technical Manual South Africa
Opening Solutions
Ceiling Access Panels
Lafarge Ceiling Systems
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T-Frames
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92 Technical Manual South Africa
Flush Plaster Timber or Steel Branded Ceilings
Flush Plaster Steel T-Suspension Ceilings
Brandering Brandering
Lafarge Ceiling Systems
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Notes:
Notes:
Notes:
