Fire and Sound Rated Wall and Floor/Ceiling Systems

Fire and Sound Rated Wall and Floor/Ceiling Systems
I N F O R M AT I O N
B U L L E T I N
N º 5
Fire and Sound Rated Wall and
Floor/Ceiling Systems Summary
Introduction
The following summary tables list the most common
fire rated systems used in Multi Residential Timber
Framed Construction (MRTFC). They include walls,
floor/ceiling systems, incipient spread of fire ceilings and
fire protection to beams and columns.
The purpose of this information bulletin is to aid in the
selection of systems for inclusion in MRTFC projects and
for that purpose only general information is contained
within this bulletin. Full details on each system including
fixings and limitations, is found in literature from the
various lining manufacturers listed. Where systems have
more than one lining manufacture, literature can be found
from each.
Information regarding method of construction, fixing,
lining order and frame configurations is found in literature
provided by the lining manufacturers. Some wall systems
have restrictions, such as the order of linings to be fixed to the
studs or minimum thickness of studs. Where this occurs,
installations must be in accordance with these requirements.
Sound Insulation Performance
Due to the ever-changing nature of MRTFC
construction, new and improved systems frequently
become available. Always check with lining
manufacturers for the most up to date systems available
and the requirements for its use.
In some cases, a range of Rw values is given for
internal walls listed. The range is due to the different
insulation materials available and variations between
opinions from opinion providers. Generally, the lowest Rw
value refers to polyester batts while the highest is for
Rockwool batts. Additionally, for the purpose of
comparing various wall systems, an assumed stud size of
90 x 35mm has been made. Other Rw ratings may apply
for smaller or larger stud sizes or plate widths. Information
is also given to indicate whether the wall system is
deemed to satisfy the Impact Sound Resistance
requirements of the Building Code of Australia,
Specification C1.8, Vol 1.
Wall Summary Tables
Sizing of Timber Members
The table gives the Fire Resistant Level (FRL),
Weighted Sound Reduction Index (Rw) and Impact Sound
Resistance for common wall systems used in MRTFC.
Generally, the height and size of the studs are
determined by the normal structural loads applied to the
wall, not due to the fire load conditions. Refer to each
lining manufacturers literature for information on
maximum wall heights or limitations on stud sizes.
Additional Information
Each system listed in this bulletin references appropriate lining manufacturers, and where available, lining
manufacturers’ system identification. Further information on the systems detailed can be found from lining manufacturers’
literature. Contact details are listed below.
Product
Suppliers
Company or
Organisation
Phone
Number
Publication
Web Site
Boral
Boral Plasterboard
1800 811 222
Plasterboard Building
Systems - Construction
Selector
www.plasterboard.boral.com.au
CSR
CSR Building Products
1800 621 117
The Red Book - CSR
Gyprock Fire & Acoustic
Design Guide
www.csr.com.au
James
Hardie
James Hardie
1800 021 321
Fire & Acoustically Rated
Timber Framed Fire Walls
for Residential Buildings
www.jameshardie.com.au
Pioneer
Pioneer Plasterboard
1800 810 018
Fire & Acoustic System
Guide
www.plastamasta.com.au
See back page
MRTFC Design &
Construction Manuals
www.timber.org.au
Timber
National Timber
Association Development Council
1
FRL
Rw
Impact
Sound
Resistance
System
Configuration
Insulation
I N F O R M A T I O N
B U L L E T I N
Wall Linings
(each side of wall
unless otherwise stated)
N º 5
System Nº
Wall
Thickness or Test/Opinion
(mm)
Sponsor
DOUBLE STUD WALL SYSTEMS
30/30/30
or
- /60/60
60/60/60
or
- /60/60
90/90/90
or
- /90/90
45
Nil
51 to 53
Yes
45 to 47
Nil
53 to 55
Yes
53
Nil
58 to 61
Yes
53 to 54
Nil
58 to 61
Yes
54
Nil
✓
1 x 13mm Fire Grade Plasterboard
226
CSR550
✓
1 x 16mm Fire Grade Plasterboard
232
Boral TS20
CSR555
Pioneer PS180
✓
1 x 13mm Fire Grade Plasterboard
1 x 6mm Fibre Cement sheet
238
CSR680 & 681
Refer to James
Hardie
(Linings fixed in any order)
✓
2 x 13mm Fire Grade Plasterboard
252
Boral TS18
CSR575
✓
1 x 16mm Fire Grade Plasterboard
1 x 6mm Fibre Cement sheet
244
CSR681
Refer to James
Hardie
58 to 62
Yes
(Fibre Cement sheet must be against studs)
43
Nil
1 x 10mm Plasterboard
(each side of wall)
60/60/60
or
- /60/60
✓
48 to 51
+
1 x 25mm Fire Grade Plasterboard
265
Boral TS17
(600mm wide vertical panels supported by H
section studs centre of wall frame)
Yes
STAGGERED STUD WALL SYSTEMS
30/30/30
or
- /60/60
60/60/60
or
- /60/60
90/90/90
or
- /90/90
41
Nil
47 to 50
Yes
42 to 43
Nil
47 to 51
Yes
49 to 50
Nil
55 to 56
Yes
49 to 51
Nil
53 to 59
Yes
50
Nil
56 to 58
✓
1 x 13mm Fire Grade Plasterboard
146
CSR450
Pioneer PS191
✓
1 x 16mm Fire Grade Plasterboard
152
Boral STS5
CSR455
Pioneer PS193
✓
1 x 13mm Fire Grade Plasterboard
1 x 6mm Fibre Cement sheet
158
CSR670
Refer to James
Hardie
(Linings fixed in any order)
✓
2 x 13mm Fire Grade Plasterboard
172
Boral STS6
CSR475
Pioneer PS195
✓
1 x 16mm Fire Grade Plasterboard
1 x 6mm Fibre Cement sheet
164
CSR671
Refer to James
Hardie
Yes
(Fibre Cement sheet must be against studs)
SINGLE STUD RESILIENT FURRING OR RESILIENT MOUNT WALL SYSTEMS
OR
30/30/30
or
- /60/60
40 to 41
Nil
44 to 48
Yes
60/60/60
or
- /60/60
39 to 49
Nil
45 to 51
Yes
90/90/90
or
- /90/90
48 to 49
Nil
52 to 56
✓
1 x 13mm Fire Grade Plasterboard
128 to 136 CSR405 & 407
✓
1 x 16mm Fire Grade Plasterboard
Boral TS4
134 to 142 CSR409 & 411
Pioneer RM1 &
MRT140
✓
2 x 13mm Fire Grade Plasterboard
Boral TS12
154 to 162 CSR413 & 415
Yes
NOTE: FRL ratings of – /60/60 and – /90/90 refer to NON-LOADBEARING walls.
2
Rw
FRL
Insulation
System
Configuration
Impact
Sound
Resistance
I N F O R M A T I O N
B U L L E T I N
Wall Linings
(each side of wall
unless otherwise stated)
N º 5
System Nº
Wall
Thickness or Test/Opinion
(mm)
Sponsor
SINGLE STUD WALL SYSTEMS
30/30/30
or
- /60/60
60/60/60
or
- /60/60
90/90/90
or
- /90/90
38
Nil
40 to 42
Yes
34 to 40
Nil
38 to 47
Yes
47 to 49
Nil
No
48 to 50
Yes
41 to 47
Nil
46 to 51
Yes
47
Nil
49 to 51
Frame
Configuration
FRL
Rw
Yes
1 x 13mm Fire Grade Plasterboard
116
CSR350
No
1 x 16mm Fire Grade Plasterboard
122
Boral TS3
CSR355
Pioneer MRT90
& PS130
No
1 x 13mm Fire Grade Plasterboard
1 x 6mm Fibre Cement sheet
128
CSR660
Refer to James
Hardie
(Linings fixed in any order)
No
2 x 13mm Fire Grade Plasterboard
142
Boral TS15
CSR375
Pioneer MRT100
& PS150
No
1 x 16mm Fire Grade Plasterboard
1 x 6mm Fibre Cement sheet
134
CSR665
Refer to James
Hardie
(Fibre Cement sheet must be against studs)
Wall Linings
Wall Linings
(External Side of Wall)
(Internal Side of Wall)
System Nº
or Test/Opinion
Sponsor
EXTERNAL LIGHTWEIGHT CLAD WALL SYSTEMS
60/60/60
or
- /60/60
(from outside only)
- /60/60
60/60/60
or
- /60/60
90/90/90
or
- /90/90
Any external cladding on battens
(self ignition temperature
N/A above 200°C) ①
1 x 10mm Standard Plasterboard
+ 1 x 16mm Fire Grade Moisture
Resistant Plasterboard against studs
Boral TS24
Refer to CSR
Any external cladding on battens
(self ignition temperature
N/A above 200°C) ①
1 x 13mm Fire Grade Plasterboard
+ 1 x 13mm Fire Grade Moisture
Resistant Plasterboard against studs
CSR350
Pioneer PS120
Any external cladding on battens
(self ignition temperature
N/A above 200°C) ①
1 x 16mm Fire Grade Plasterboard
+ 1 x 16mm Fire Grade Moisture
Resistant Plasterboard against studs
Boral TS3
CSR355
1 x 7.5mm Fibre Cement sheet
1 x 13mm Fire Grade Plasterboard
N/A + 1 x 13mm Fire Grade Moisture
1 x 6mm Fibre Cement sheet
Resistant Plasterboard against studs (Linings fixed in any order)
CSR660
Refer to James
Hardie
1 x 7.5mm Fibre Cement sheet
+ 1 x 16mm Fire Grade
N/A Plasterboard
+ 1 x 6mm Fibre Cement (Fibre
CSR665
Refer to James
Hardie
1 x 16mm Fire Grade Plasterboard
1 x 6mm Fibre Cement sheet
(Fibre Cement sheet must be against studs)
Cement sheet must be against studs)
NOTES:
1.
①
Timber cladding has a self ignition temperature greater than 200°C.
2. FRL ratings of – /60/60 and – /90/90 refer to NON-LOADBEARING walls.
3
I N F O R M A T I O N
System
Configuration
FRL
Rw
B U L L E T I N
Wall Linings
Wall Linings
(External Side of Wall)
(Internal Side of Wall)
N º 5
System Nº
or Test/Opinion
Sponsor
EXTERNAL LIGHTWEIGHT CLAD + ROCKWOOL WALL SYSTEMS
90/90/90
or
- /90/90
1 x 7.5mm Fibre Cement sheet
+ 1 x 16mm Fire grade & moisture
N/A
resistant plasterboard (against studs)
+ 100mm Rockwool insulation
2 x 13mm Fire Grade Plasterboard
Timber
Associations
1 x 12mm Plywood sheet
+ 1 x 16mm Fire grade & moisture
N/A
resistant plasterboard (against studs)
+ 100mm Rockwool insulation
2 x 13mm Fire Grade Plasterboard
Timber
Associations
EXTERNAL LIGHTWEIGHT CLAD WALL SYSTEMS (NAIL LAMINATED POST)
90/90/90
or
- /90/90
1 x 7.5mm Fibre Cement sheet
+ 1 x 16mm Fire grade & moisture
N/A resistant plasterboard (against studs)
2 x 13mm Fire Grade Plasterboard
+ Nail Laminated posts (studs backto-back to provide double thickness)
Timber
Associations
BRICK VENEER WALL SYSTEMS
54
90mm Masonry wall
1 x 10mm Standard Plasterboard
BCA DTS
Boral TS11
Refer to CSR
Pioneer MRT160
- /60/60
55
110mm Masonry wall
1 x 13mm Fire Grade Plasterboard
Refer to Boral
Refer to CSR
60/60/60
55
110mm Masonry wall
1 x 16mm Fire Grade Plasterboard
Boral TS10
Refer to CSR
Pioneer MRT170
90/90/90
or
- /90/90
N/A 110mm Masonry wall
2 x 13mm Fire Grade Plasterboard
Boral TS16
Refer to CSR
Pioneer MRT180
60/60/60
or
- /60/60
(from outside only)
NOTES:
1. BCA DTS refers to a ‘deemed-to-satisfy’ system in accordance with the Building Code of Australia.
2. FRL ratings of – /60/60 and – /90/90 refer to NON-LOADBEARING walls.
4
I N F O R M A T I O N
The following table contains general information to
assist in the selection of a floor/ceiling systems. Fire
Resistance Level (FRL), Weighted Sound Reduction Index
(Rw), Impact Isolation Class (IIC) and appropriate ceiling
lining materials are provided for each system listed.
Information regarding method of construction, fixing
and lining configuration are found in literature provided by
the lining manufacturers.
Sizing of Member
Generally, the span and size of the joist are determined
by the structural load applied. Any joists, being either solid,
nail plated, floor truss or I-beam can be used. Refer to
each lining manufacturer’s literature for further information
on determining joist size or limitations.
Sound Insulation Performance
A range of Rw values is given for each floor/ceiling
system due to the variation in floor covering and the
differences between opinions from opinion providers.
Insulation
(b)
(c)
Carpet &
Underlay
(a)
Tiles on
Fibre Cement
Tiles on
Fibre Cement
(c)
Carpet &
Underlay
Bare Floor
FRL
(b)
Bare Floor
Impact Isolation
Class
Rw
(a)
N º 5
Rw ratings for floor/ceiling systems contained in the
table are much better than the BCA minimum
requirement of Rw 45. For adequate sound performance
of floor/ceiling systems, the selection should be based on
the Impact Isolation Class (IIC). The Impact Isolation Class
is not regulated by the Building Code of Australia, but it is
recommended that it is used to select floor/ceiling
systems. Refer to MRTFC Information Bulletin Nº3 for a
discussion on Impact Isolation Class.
Floor/Ceiling Systems
System
Configuration
B U L L E T I N
Ceiling Linings
System Nº
or Test/Opinion
Sponsor
FLOOR/CEILING SYSTEMS
(a)
(b)
(c)
Fire
Protective
Covering
or
30/30/30
(a)
(b)
(b)
(b)
54
48
52
67
68
2 x 13 mm Fire Grade
Plasterboard supported
Yes on resilient channels or
resilient mounted
channels
55
58
56
49
53
Refer to Boral
–
1 x 13 + 1 x 16mm
Fire Grade Plasterboard
Yes supported on resilient
channels or resilient
mounted channels
Refer to Boral
Refer to CSR
Pioneer PS620
70
2 x 16 mm Fire Grade
Plasterboard supported
Yes on resilient channels or
resilient mounted
channels
Refer to Boral
CSR827
(c)
60/60/60
(a)
56
BCA DTS Clause
A1
Boral CS19
CSR825
Pioneer PS610
(c)
60/60/60
(a)
53
1 x 13 mm Fire Grade
Plasterboard supported
Yes on resilient channels or
resilient mounted
channels
–
–
56
–
–
(c)
90/90/90
57
57
57
51
55
NOTES:
1. Fire protective covering is defined in Clause A1-1 of the Building Code of Australia.
2. BCA DTS refers to a ‘deemed-to-satisfy’ system in accordance with the Building Code of Australia.
5
I N F O R M A T I O N
(c)
Insulation
(b)
Carpet &
Underlay
(a)
Tiles on
Fibre Cement
Tiles on
Fibre Cement
(c)
Bare Floor
(b)
Carpet &
Underlay
(a)
Bare Floor
FRL
N º 5
Impact Isolation
Class
Rw
System
Configuration
B U L L E T I N
Ceiling Linings
System Nº
or Test/Opinion
Sponsor
FLOATING FLOOR/CEILING SYSTEMS (Caneite™ and 12mm Plywood on Structural Floor)
(a)
(b)
(c)
Fire
Protective
Covering
or
30/30/30
(a)
(b)
(b)
58
56
49
53
68
Refer to Timber
Associations
69
2 x 13 mm Fire Grade
Plasterboard supported
Yes on resilient channels or
resilient mounted
channels
Refer to Timber
Associations
70
2 x 16mm Fire Grade
Plasterboard supported
Yes on resilient channels or
resilient mounted
channels
Refer to Timber
Associations
(c)
60/60/60
(a)
55
1 x 13 mm Fire Grade
Plasterboard supported
Yes on resilient channels or
resilient mounted
channels
57
60
58
50
54
(c)
90/90/90
57
60
58
51
55
NOTE: 1. Fire protective covering is defined in Clause A1-1 of the Building Code of Australia.
System
Configuration
Resistance to
the Incipient
Spread of
Fire
(minutes)
Insulation
Ceilings with Resistance to the Incipient Spread of Fire
Impact
Isolation
Class
Rw
Ceiling Linings
System Nº
or Test/Opinion
Sponsor
ROOF/CEILING SYSTEMS WITH RESISTANCE TO THE INCIPIENT SPREAD OF FIRE
60
60
6
–
–
–
–
–
–
–
–
–
–
–
1 x 13 + 1 x 16mm
Fire Grade Plasterboard
direct fixed to ceiling
No joists or supported on
resilient channels or
resilient mounted
channels
–
2x 16mm Fire Grade
Plasterboard direct fixed
to ceiling joists or
No
supported on resilient
channels or resilient
mounted channels
Refer to Boral
CSR 870 & 875
Pioneer PS620
Boral CS15
CSR 871 & 876
Pioneer PS630,
PS631 & PS632
I N F O R M A T I O N
B U L L E T I N
N º 5
Beam and Column Protection Systems
Where beams and columns are required to be fire
resistant, they can be protected either by applying fire
grade plasterboard or by including sufficient sacrificial
timber. The number of layers of plasterboard or thickness
of sacrificial timber is dependent on the fire resistance
required. Sacrificial timber depth is additional to the
structural requirements of the beam or column.
the beam or column. For example, the top edge of a beam
supporting a fire rated floor would require no protection.
Sacrificial timber solutions detailed here are based on
an average dry timber density of 550kg/m3 for softwood
or 850kg/m3 for hardwood. Where the actual timber
density is known, alternative sacrificial char depths can be
determined from AS1720.4 ‘Fire Resistance of Structural
Timber Members’.
The protection is only required to the exposed faces of
System
Configuration
Beam
FRL
Fire Grade Linings
Column
Sacrificial Timber
(additional to structural
requirements)
(mm)
System Nº
or Test/Opinion
Sponsor
Softwood
Hardwood
1 x 13mm
Fire Grade Plasterboard
Nil
Nil
CSR
Boral CP8 &
BP12
Nil
28
23
AS1720.4
2 x 13mm
Fire Grade Plasterboard
Nil
Nil
CSR Table G8
Boral CP6 &
BP10
1 x 25mm
Fire Grade Plasterboard
Nil
Nil
CSR Table G8
Nil
47
38
AS1720.4
3 x 13mm
Fire Grade Plasterboard
Nil
Nil
CSR Table G8
Boral CP5 & BP8
1 x 13 + 1 x 25mm
Fire Grade Plasterboard
Nil
Nil
CSR Table G8
Nil
67
54
AS1720.4
30 / – / –
60 / – / –
90 / – / –
7
I N F O R M A T I O N
B U L L E T I N
N º 5
Reference Material
1. Building Code of Australia – Australian Building Codes
Board.
2. Construction Selector – Plasterboard Building Systems
– Boral Plasterboard.
3. Fire & Acoustically Rated Timber Framed Fire Walls for
Residential Buildings – James Hardie.
4. Fire & Acoustic System Guide – Pioneer Building
Products.
5. MRTFC Design and Construction Manual Class 1
Buildings – National Timber Development Council.
6. MRTFC Design and Construction Manual – Class 2 &
3 Buildings – National Timber Development Council.
7. The Red Book – CSR Gyprock® Fire & Acoustic Design
Guide – CSR Gyprock®.
8. AS1720.4 Fire Resistance of Structural Timber
Members – Standards Australia.
Technical Advice
Further technical information and assistance is available from the following Timber Advisory Services.
NEW SOUTH WALES
Timber Development Association NSW Ltd.
13 - 29 Nichols Street, Surry Hills NSW 2010.
Tel: (02) 9360 3088. Fax: (02) 9360 3464.
QUEENSLAND
Timber Research and Development Advisory Council
of Queensland.
500 Brunswick Street, Fortitude Valley Qld 4006.
Tel (07) 3358 1400. Fax: (07) 3358 1411.
VICTORIA
Timber Advisory Centre.
180 Whitehorse Road Blackburn VIC 3130.
Tel: (03) 9877 2011. Fax: (03) 9877 6663.
SOUTH AUSTRALIA
Timber Development Association of SA Inc.
113 Anzac Highway, Ashford, SA 5035.
Tel: (08) 8297 0044. Fax: (08) 8297 2772.
WESTERN AUSTRALIA
Timber Advisory Centre.
Cnr Salvado Road & Harborne Street,
Wembly WA 6014.
Tel: (08) 9380 4411. Fax: (08) 9380 4477.
TASMANIA
Tasmanian Timber Promotion Board.
c/- University of Tasmania.
PO Box 1214, Launceston, TAS 7250.
Tel/Fax: (03) 6324 3688.
PINE AUSTRALIA
830 High Street, Kew East, Vic 3102.
Tel: 1800 00 PINE. (1800 00 7463).
Fax: (03) 9859 2466.
PLYWOOD ASSOCIATION OF AUSTRALIA
3 Dunlop Street, Newstead, Old 4006.
Tel: (07) 3854 1228. Fax: (07) 3252 4769.
Members of the National Timber Development Council
• Forest and Wood Product Research and Development
Corporation.
• Australian Timber Importers Federation.
• Timber Development Association (NSW) Ltd.
• Forest Products Association.
• Victoria Association of Forest Industries.
• Timber Promotion Council of Victoria.
• Plywood Association of Australia.
• Forest Industries Association of Tasmania.
•
•
•
•
•
•
•
•
Tasmanian Timber Promotion Board.
National Association of Forest Industries.
Timber Research and Development Advisory Council.
Queensland Timber Board.
Timber Development Association (SA).
Pine Australia.
Forest Industries Federation (WA).
Timber Promotion Council (WA).
Important Notice
The information and advice provided in the publication is intended as a guide
only.
As successful design and construction depends upon numerous factors
outside the scope of this publication, the Forest and Wood Product Research
Corporation accepts no responsibility for specifications in, nor work done or omitted
to be done in reliance on this information sheet.
Whilst all care has been taken to ensure the accuracy of the information
contained in this publication, the Forest and Wood Product Research and
Development Corporation disclaims, to the full extent permitted by law, all and any
liability for any damage or loss, whether direct, indirect, special or consequential,
arising directly or indirectly out of use of or reliance on this guide, whether as a
result of the Forest and Wood Product Research and Development Corporation
negligence or otherwise.
Published by the National Timber Development Council with support from the
Forest and Wood Products Research and Development Corporation.
© Copyright – FWPRDC – March 2000 – MRTFC IB5.BMS6916.0300.
8
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