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BC
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4HVAC & PIPEWORKInsulation Product Selector
For more information call 1300 887 160 or visit bradfordinsulation.com.au/designsmart
The DesignSmart™ tools include:
DesignSmart design guides contain all you need to know to meet the deemed to satisfy requirements of the BCA Section J for your specific building type.
The DesignSmart online calculator helps carry out complex calculations to allow you to quickly and easily design insulation systems for your project.
The DesignSmart product selectors provide comprehensive design information to assist with developing project specific specifications while meeting Section J requirements for specific applications.
DesignSmart CPD training modules allow you to improve your understanding and expertise to meet Section J regulations within your practice.
Commercial
Design Guides »
HIGH RISE APARTMENTS | PAGE 1
HIGH RISEAPARTMENTSDESIGN GUIDE
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HIGH RISE APARTMENTS | PAGE 1
HIGH RISEAPARTMENTSDESIGN GUIDE
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HEALTHCARE | PAGE 1
HEALTHCAREDESIGN GUIDE
BC
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HIGH RISE APARTMENTS | PAGE 1
HIGH RISEAPARTMENTSDESIGN GUIDE
BC
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OFFICES | PAGE 1
BC
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NC
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OFFICE BUILDINGSINSULATION DESIGN GUIDE
Commercial
Product Selectors »
Online Calculator »
BC
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COMMERCIAL ROOFINGINSULATION PRODUCT SELECTOR
BC
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Under SlAB InSUlATIOn PrOdUCT SeleCTOr BC
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BCA/NCC Section J Compliant Roof Spacer System Version 1, August 2011
Bradford™ DesignSmart™ has been developed to help architects, designers and specifiers
select the right insulation products for their building projects.
DesignSmart™ encompasses a range of tools and resources that will guide you through the requirements of the Building
Code of Australia (BCA) and National Construction Code (NCC), help carry out design calculations quickly and easily and
allow you to compare different insulation systems to meet and exceed the regulations.
DesignSmart also provides access to a wealth of resources including data sheets, samples specifications,
CAD files, MSDSs and expertise from our architectural specialists.
Bradford™ DesignSmart™ FOR SMARTER SPECIFICATIONS
CPD Training »
HVAC & Pipework Insulation Product Selector PAGE 3
Designing and selecting the right materials to meet Building
Code and end user requirements is critical during the design
phase of a project. With the introduction of amendments
to the National Construction Code of Australia for 2014,
CSR Bradford has updated this HVAC & Pipework manual
to incorporate the latest changes to the Energy Efficiency
provisions for Class 2-9 commercial buildings contained
within the Building Code of Australia (BCA).
This manual provides guidance on:
The Building Code energy efficiency provisions for
flexible and rigid HVAC ducting & Pipework insulation;
How to meet and exceed these BCA requirements with
CSR Bradford insulation products;
Functional and decorative insulation blanket facing
options to suit a broad range of applications.
In addition to this manual, the CSR Bradford online
DesignSmart suite of resources provides access to a
broad range of useful resources, check online at
www.bradfordinsulation.com.au/designsmart
The Building Code represents the minimum level of
insulation for good energy efficiency and performance of
the building envelope. Given the relatively low capital cost
of insulation, increasing roofing insulation R-Values during
the design phase can decrease the air conditioning load,
thus reducing project capital equipment costs as well as
future running costs.
Important Note: In some climates and air conditioning
applications, the minimum ductwork insulation requirements
specified in the BCA for energy efficiency may be insufficient
for either optimum energy efficiency performance of the
system or for control of condensation. CSR Bradford
recommends that a qualified Mechanical Services Engineer
always be consulted when specifying duct insulation for
your project.
1. INTRODUCTION 3
2. DESIGN CONSIDERATIONS 4
2.1. The benefits of insulation 4
2.2. Designing for BCA Section J and Green Star 4
2.3. Designing to control condensation 4
2.4. Designing for noise control 4
2.5. Designing for indoor air quality 4
2.6. Designing to control fire risk 5
2.7. Designing for installed cost 5
2.8. Designing for sustainability 6
2.9. Understanding R-Values & theBCA requirement 6
2.10. Designing for aesthetics 6
3. COMPLIANCE TO THE BCA 7
3.1. Climate Zones 7
3.2. Ductwork 8
3.3. Rigid duct applications 8
3.4. Flexible duct applications 8
4. PRODUCT APPLICATIONS & FACING SELECTION 9
4.1. Product applications 9
4.2. Ductwork product application guide 9
4.3. Available facings for HVAC applications 9
4.4. Flexible duct product overview 10
4.5. Rigid ductliner product overview (internal) 10
4.6. Rigid ductwrap product overview (external) 10
4.7. Maximum design velocity for facings 10
5. ACOUSTIC PERFORMANCE 11
5.1. Sound absorption 11
6. PIPEWORK - MINIMUM DEEMED-TO-SATISFYREQUIREMENTS 12
6.1. Code compliance by climate zoneand application 12
6.2. Available products - SPI 13
7. PRODUCT DETAIL 15
8. HEALTH AND SAFETY 16
9. PRODUCT WARRANTY 16
CONTENTSINTRODUCTION
CSR Bradford is a member of
the Green Building Council of Australia.
1.0
PAGE 4 HVAC & Pipework Insulation Product Selector
2.1 The benefits of insulation
Helps meet or exceed the BCA Energy Efficiency
requirements by providing thermal insulation - by meeting
these requirements your smart design helps reduce
greenhouse gas emissions;
Provide a more comfortable working environment for
occupants by reducing heat transfer in the HVAC system
and delivering more consistent air temperature;
A better working environment, by reducing air movement
and fan noise transmission through the ductwork;
A safer environment, as it reduces the possibility of fire
spread through the duct in the event of a fire in the HVAC
duct space;
Minimises the risk of damage to internal ceiling linings
caused by condensation;
Decreases building running costs, by reducing the load
required to heat and cool the space and/or the size of the
heating/cooling plant.
2.2 Designing for BCA Section J and Green Star
The Building Code of Australia (BCA) provides the minimum
Deemed-to-Satisfy total thermal performance required
for roofs. Insulation plays a major role in achieving these
minimum values.
In Green Star buildings one of the highest factors that
contribute to the achievement of Green Star points is energy
improvement. The upgrade of passive insulation within a
building can result in significant energy savings.
Regardless of the building achieving a Green Star rating or
meeting Deemed-to-Satisfy provisions of the BCA, there is
a strong case to increase specified insulation performance
as the energy savings can quickly pay for the increase in
capital costs.
2.3 Designing to control condensation
Condensation can become a problem when warm, moist
air comes in contact with a colder surface. Under these
conditions, condensation can form and can cause damage to
the HVAC duct as well as the surrounding building structure.
Condensation management is a critical component that
needs to be considered during the design phase and
care should be taken to select only vapour impermeable
facing materials if there is a risk of condensation. Please
ensure that your Mechanical Services Engineer reviews all
recommendations prior to installation.
2.4 Designing for noise control
HVAC ducts are primarily insulated internally for noise
absorption, as internal insulation is usually more cost
effective than using additional silencers or attenuators to
control noise. CSR Bradford offers a broad range of internal
ductlining insulation products and facings to optimise the
sound absorption performance of the duct whilst providing
thermal performance to meet BCA Energy Efficiency targets.
Technical information relating to the Noise Reduction
Co-efficient (NRC) of CSR Bradford insulation products is
contained in Table [5.1].
2.5 Designing for indoor air quality
CSR Bradford is the only approved insulation partner of the
National Asthma Council Australia Sensitive Choice program.
This program recognises companies who develop products
like Supertel, that may be better choices for people with
asthma or allergies.
Another aspect of indoor air quality is the ability to clean the
inside of the duct. CSR Bradford’s Enviroduct range includes
the Acoustituff facing which allows for easy cleaning, even
with a mechanical duct cleaner.
DESIGN CONSIDERATIONS2.0
DESIGNSMART™ ONLINE CALCULATOR
Customised information at your fingertips
DesignSmart™ places all the information you need for your specific project at your fingertips. The web based tools allow you to review the BCA for each class of building and help you design and specify the insulation products to meet the building’s thermal and acoustic requirements.
Best of all, DesignSmart™ will email detailed design calculations, relevant product data sheets, MSDS and specifications to you to include in your project file, speeding up your design process.
Let DesignSmart™ help you design smarter and faster. Visit bradfordinsulation.com.au/designsmart
HVAC & Pipework Insulation Product Selector PAGE 5
2.6 Designing to control fire risk
The fuel load of a building is a major consideration for Fire
Engineers. The CSR Bradford HVAC insulation range is made
using inert mineral fibres as the insulator base fibre, making
it a safer alternative than a hydrocarbon base material
(eg. polyester). As mineral fibres are inorganic and are
deemed non-combustible, the base insulator material has
a low average effective heat of combustion making it an
ideal material for use as a HVAC duct liner.
A range of facing products that can meet the BCA Fire
Hazard Properties are also available - please ensure that
your Fire Engineer and/or insurance assessor reviews all
recommendations prior to installation.
2.7 Designing for installed cost
CSR Bradford insulation products are quick to install. One
of the attributes of FBS-1 safe-to-handle Glasswool is that it
can be easily cut and fixed on standard fixing pins. Alternative
products, such as polyester are more difficult to cut and fix
which may result in delays to other trades following insulation
contractors.
PAGE 6 HVAC & Pipework Insulation Product Selector
2.8 Designing for sustainability
CSR Bradford glasswool insulation is manufactured from up
to 65% recycled glass which is not suitable for recycling in
other processes and would otherwise go to landfill.
CSR Bradford has undertaken an audit of our Glasswool and
Reflective Foil Laminate insulation manufacturing processes
referencing the US EPA List of Ozone Depleting Substances
(Class 1 and Class 2). The audit found that no ozone
depleting substances are involved in either the manufacture
or composition of these products. Our conclusion is that
CSR Bradford’s Glasswool and Reflective Foil Laminates
have an Ozone Depleting Potential of zero.
CSR Bradford recognises that, as an insulation supplier we
have a significant role to play in the passive reduction of
energy use in our world. Please refer to the CSR Bradford
MSDS for supporting information.
2.9 Understanding R-Values & the BCA requirement
As most CSR Bradford HVAC insulation products combine
a Glasswool base blanket with a facing, a very wide range
of products is available. In order to select the right product
combination for your application, CSR Bradford recommend
that you determine the blanket thickness required to meet
the thermal requirements of the project and then select
the facing that provides the best level of performance or
aesthetics for your particular application.
AS/NZS4859.1:2002 allows insulation manufacturers to
present the performance of insulation either as a material
value (RM) or a total system value (R
T). In order to ensure
proper product representation and accurate performance
and cost comparison of products, it is important that the
distinction between the two classifications is clear.
MATERIAL R-VALUE (RM)
This is the raw performance of the base insulation material
excluding the insulation contribution of any materials used in the
construction of the building.
Note: RM is directly proportional to the insulation material thickness
TOTAL SYSTEM R-VALUE (RT)
This is the overall performance of the roofing system, including
the base insulation material, contribution of materials used in
the construction of the building, air spaces, air film resistances
and emissivity of the insulation facing material.
Section J5.2 of the BCA requires that all HVAC materials
achieve a minimum material R-Value (RM). When comparing
insulation materials, always ensure that you compare only the
material R-Value (RM) as the total system R-Value (R
T) is not
applicable to HVAC insulating products.
2.10 Designing for aesthetics
In applications where the ductwork is exposed or the lighting
is such that the internal lining of the ductwork is visible, CSR
Bradford is able to offer a range of black facing materials
that will minimise the appearance of the insulation material.
Further information is available in the Facing section of this
manual.
Non-perforated Acoustituff™ facing is suitable for ducts that need
to control condensation and also need to be cleaned.
Black Ultraphon™ facing is suitable for applications where the
duct maybe partially visible or where acoustics are important,
but not for the control of condensation.
HVAC & Pipework Insulation Product Selector PAGE 7
The BCA makes provisions for energy efficiency in conditioned
spaces, sound insulation and fire protection for public
buildings. These recognise that well insulated buildings that
control heat and cold, along with good acoustic insulation are
important elements of good building design.
Please note that the following information is a guide only and
CSR Bradford recommends that you work closely with your
building surveyor/private certifier, fire engineering consultant
and insurance provider early in the design phase of your
building to ensure compliance where appropriate to your
specific building type and project requirements.
To provide long term energy savings with a minimal increase
in initial installation cost, CSR Bradford recommends an
incremental increase in insulation performance above
the BCA Section J Deemed-to-Satisfy minimum insulation
levels. Increasing insulation levels will quickly pay dividends
for building owners, representing a short term return on
installation costs as the benefits of reduced energy costs
can be passed on to building occupants and ultimately
contribute to a reduction of greenhouse gases.
Please note that compliance can be achieved via verification
with an acceptable rating scheme or using the Deemed-to-
Satisfy provisions in the BCA.
The CSR Bradford DesignSmart program has been developed
specifically to help simplify the process of meeting the
Deemed-to-Satisfy provisions of the BCA, follow these simple
steps to specify the HVAC or Pipework insulation for your
project.
A. Select the climate zone for your project location from the BCA map
B. Determine the required compliant thermal performance
C. For your HVAC duct or pipework system, select the minimum required insulation product
COMPLIANCE TO THE BCA3.0
Oenpelli NhulunbuyDarwin
Weipa
Katherine
Wyndham Timber Creek
CooktownBorroloola
Cairns ElliotDerby
Burketown Broome
Halls Creek
Tennant Creek Townsville
Mount Isa
Port Hedland
Dampier Mackay Telfer
Exmouth Alice Springs Longreach
Newman Rockhampton
Yulara
Kulgera BirdsvilleGascoyne AmataCarnarvon Junction Warburton Taroom
Charleville Maryborough
Wiluna Oodnadatta
Innamincka Thargomindah
Brisbane Coober Pedy
GoondiwindiYalgoo Tibooburra
Geraldton BourkeLeigh Creek
Kalgoorlie–Boulder Nullarbor
Coffs Harbour Broken Hill Tamworth
EuclaMerredin Ceduna Norseman Whyalla Dubbo Port Macquarie
Perth Ivanhoe
Lord Howe IslandNewdegate Burra Esperance Mildura Bathurst NewcastleBunbury
Renmark GriffithAdelaide SydneyPort Lincoln Margaret River
Wollongong Kingscote
Canberra Albany Albury–Wodonga
HorshamKingston SE Shepparton
Ballarat Melbourne Mount Gambier
Lakes Entrance
Devonport Launceston
Strahan Swansea Hobart
Southport
www.abcb.gov.au
Last amended: May 2009
Developed from a map produced by the Bureau of Meteorology
STEP A: Select the Climate Zone
The BCA specifies minimum Deemed-to-Satisfy performance for HVAC ductwork and pipework dependent upon on the climate zone your
building is in. Locate the climate zone your building is in from the following map.
3.1 Climate Zones Climate zone
Zone 1 – Darwin, Townsville, Cairns
Zone 2 – Brisbane, Gold Coast, Sunshine Coast
Zone 3 – Alice Springs
Zone 4 – Dubbo, Griffith
Zone 5 – Sydney East of Parramatta, Adelaide, Perth
Zone 6 – Melbourne, Sydney West of Parramatta
Zone 7 – Hobart, Canberra
Zone 8 – Alpine regions
Oenpelli NhulunbuyDarwin
Weipa
Katherine
Wyndham Timber Creek
CooktownBorroloola
Cairns ElliotDerby
Burketown Broome
Halls Creek
Tennant Creek Townsville
Mount Isa
Port Hedland
Dampier Mackay Telfer
Exmouth Alice Springs Longreach
Newman Rockhampton
Yulara
Kulgera BirdsvilleGascoyne AmataCarnarvon Junction Warburton Taroom
Charleville Maryborough
Wiluna Oodnadatta
Innamincka Thargomindah
Brisbane Coober Pedy
GoondiwindiYalgoo Tibooburra
Geraldton BourkeLeigh Creek
Kalgoorlie–Boulder Nullarbor
Coffs Harbour Broken Hill Tamworth
EuclaMerredin Ceduna Norseman Whyalla Dubbo Port Macquarie
Perth Ivanhoe
Lord Howe IslandNewdegate Burra Esperance Mildura Bathurst NewcastleBunbury
Renmark GriffithAdelaide SydneyPort Lincoln Margaret River
Wollongong Kingscote
Climate Zones Canberra Albany Albury–Wodonga
HorshamKingston SE Shepparton Zone 1 Zone 5
Ballarat Melbourne Mount GambierZone 2 Zone 6
Lakes Entrance
Zone 3 Zone 7
Zone 4 Zone 8
Devonport Launceston
Strahan Swansea Hobart Local Government Area boundary
Southport
www.abcb.gov.au
Last amended: May 2009
Developed from a map produced by the Bureau of Meteorology
PAGE 8 HVAC & Pipework Insulation Product Selector
Climate Zones
Location 1 2 3 4 5 6 7 8
BCA 2010
Conditioned space RM1.2 RM1.2 RM1.2 RM1.0 RM1.2 RM1.0 RM1.0 RM1.6
Exposed to sun RM3.0 RM3.0 RM3.0 RM3.0 RM3.0 RM3.0 RM3.0 RM3.4
All other RM2.0 RM2.0 RM2.0 RM2.0 RM2.0 RM2.0 RM2.0 RM2.4
NCC 2011/2012/
2013/2014
Conditioned space RM1.2 RM1.2 RM1.2 RM1.2 RM1.2 RM1.2 RM1.2 RM1.6
Exposed to sun RM3.0 RM3.0 RM3.0 RM3.0 RM3.0 RM3.0 RM3.0 RM3.4
All other RM2.0 RM2.0 RM2.0 RM2.0 RM2.0 RM2.0 RM2.0 RM2.4
STEP C: Select the minimum required insulation product
Specify the minimum recommended CSR Bradford products to meet the BCA ductwork requirements from the tables below
– refer to section 3.3 for Rigid Ducts and section 3.4 for Flexible Ducts.
3.3 Rigid duct applications
From 2010 the BCA Deemed-to-Satisfy requirements are based on the Material R-Value and not the Total R-Value as in previous versions of
the BCA. Please ensure you use the Material R-Value (RM) when comparing alternate products.
3.4 Flexible duct applications
STEP B: Determine the thermal performance required by the BCA
Look up the R-Value required for the type of air conditioning system and location of the duct from the table below
(BCA/NCC Vol. 1 Spec. J5.2).
3.2 Ductwork – minimum required material R-Value (RM)
Target BCA/NCC minimum material R-Value Flexible duct product selector
Product Thickness Material R-Value (RM)
RM1.0 Specitel™ 40mm R
M1.0
RM1.5 Specitel™ 60mm R
M1.5
RM2.0 Building Blanket 90mm R
M2.0
RM2.5 Building Blanket 110mm R
M2.5
Target BCA/ NCC minimum
material R-ValueInternal Ductliner External Ductwrap
Product ThicknessMaterial R-Value
(RM)
Product ThicknessMaterial R-Value
(RM)
Product ThicknessMaterial R-Value
(RM)
RM1.0 Supertel™ 40mm R
M1.2 OR Multitel™ 38mm R
M1.0 OR Flexitel™ 38mm R
M1.1
RM1.2 Supertel™ 40mm R
M1.2 OR Multitel™ 50mm R
M1.3 OR Flexitel™ 50mm R
M1.4
RM1.6 Supertel™ 63mm R
M1.8 OR Multitel™ 75mm R
M2.0 OR Flexitel™ 75mm R
M2.1
RM2.0 Supertel™ 67mm R
M2.0
RM2.0 Supertel™ 75mm R
M2.2 OR Multitel™ 75mm R
M2.0 OR Flexitel™ 75mm R
M2.1
RM2.4 Supertel™ 100mm R
M3.0 OR Multitel™ 2 x 50mm R
M2.6 OR Flexitel™ 2 x 50mm R
M2.8
RM3.0 Supertel™ 100mm R
M3.0
RM3.4 Supertel™ 2 x 63mm R
M3.6
HVAC & Pipework Insulation Product Selector PAGE 9
Recommended Product Facing Application
Application ProductDensity kg/m3
Perforated Thermofoil™
Plain MD or HD Thermofoil™
BMF Acoustituff™ Ultraphon™
Flexible Ducting Specitel™ 14 - - - - -
Internal Ductliner Supertel™ 32 Thermal - Acoustic - Acoustic Acoustic - Hygiene Acoustic - Decorative
Internal Ductliner Ultratel™ 48 Thermal - Acoustic - - - -
External Ductwrap Multitel™ 18 - Thermal - - -
External Ductwrap Flexitel™ 24 - Thermal - - -
Industrial Internal Ductliner Fibertex™ 350 60 - - - - Harsh Thermal
Industrial Internal Ductliner Fibertex™ 450 80 - - - - Harsh Thermal
Table 4.1: Recommended Product Facing Application
Facing Description Application Condensation Aesthetics Acoustics
Thermofoil Medium Duty
Wrap ✓✓ ✓✓ —
Thermofoil Heavy Duty Wrap ✓✓ ✓✓✓ —
Thermofoil Heavy Duty Perforated Foil
Liner NA ✓✓ ✓✓✓
Acoustituff Liner ✓✓ ✓ ✓✓
Black Matt Facing (BMF)
Liner NA ✓ —
Ultraphon Liner NA ✓✓✓ ✓✓✓
4.0
4.1 Introduction
Choosing the right product for your project is essential to
ensure the proper performance and appearance. This section
provides basic guidance on insulation and facing product
selection, but if you are in doubt please contact CSR Bradford
for expert advice specific to your project needs.
4.2 Ductwork product application guide
Ducts are primarily insulated internally for noise absorption.
Internal insulation is usually more cost effective than using
additional silencers or attenuators to control noise.
Internal insulation also assists with compliance with the
BCA thermal energy efficiency provisions. If there is no
internal insulation then the duct must be externally lagged to
achieve the required thermal performance.
There are many CSR Bradford base blanket and facing
permutations that can be manufactured. However, the most
applicable and cost effective solutions are shown below in
Table [4.1]
4.3 Available facings for HVAC applications
The listed insulation products are available in a range of facings as shown below. Please note that only facings that are
vapour impermeable are suitable for condensation control.
HVAC PRODUCT APPLICATIONS & FACING SELECTION
Climate Zones
Location 1 2 3 4 5 6 7 8
BCA 2010
Conditioned space RM1.2 RM1.2 RM1.2 RM1.0 RM1.2 RM1.0 RM1.0 RM1.6
Exposed to sun RM3.0 RM3.0 RM3.0 RM3.0 RM3.0 RM3.0 RM3.0 RM3.4
All other RM2.0 RM2.0 RM2.0 RM2.0 RM2.0 RM2.0 RM2.0 RM2.4
NCC 2011/2012/
2013/2014
Conditioned space RM1.2 RM1.2 RM1.2 RM1.2 RM1.2 RM1.2 RM1.2 RM1.6
Exposed to sun RM3.0 RM3.0 RM3.0 RM3.0 RM3.0 RM3.0 RM3.0 RM3.4
All other RM2.0 RM2.0 RM2.0 RM2.0 RM2.0 RM2.0 RM2.0 RM2.4
Facing DescriptionSuitable
ApplicationsCondensation
Control1Asthetics2 Acoustic3
Black Matt Facing (BMF)
A black, light duty tissue facing for budget conscious acoustic applications where the duct liner may be partially visible – non aesthetic, suitable to reduce the prominence of the duct liner only and not suitable for mechanical cleaning.
HVAC duct liner
– 3 3
Thermofoil™ Medium Duty (730)
A stronger foil with additional crush resistance.HVAC duct
wrap3 3 3 3 –
Thermofoil™ Heavy Duty (750)
Premium strength for a premium finish.HVAC duct
wrap3 3 3 3 –
Acoustituff™
A tough, lightweight reflective foil facing that provides a combination of acoustic performance & condensation control – provides a fully contained surface that can withstand mechanical cleaning.
HVAC duct liner
3 3 3 3 3
Ultraphon™
A black, premium woven glass facing suitable for visible applications where superior broadband sound absorption properties are required. (Note: Not suitable as a vapour barrier.)
HVAC duct liner
– 3 3 3 3 3 3
Thermofoil™ Heavy Duty Perforated (750PERF)
A heavy duty foil reflective facing for applications where a combination of acoustic & thermal properties are required. (Note: Not suitable as a vapour barrier.)
HVAC duct liner
– 3 3 3 3 3
1 CONDENSATION CONTROL Please note that only facings that are vapour impermeable are suitable for condensation control, which requires all joints and penetrations to be lapped and taped at installation.
2 AESTHETIC Aesthetics refers to the visual appearance of the exposed duct - the table above provides guidance to the visual appearance that can be achieved with the facing material based on typical installation conditions. Other application and installation conditions may affect the visual appearance of the duct.
3 ACOUSTIC Acoustic performance of the facing material assumes same base material.
PAGE 10 HVAC & Pipework Insulation Product Selector
4.4 Flexible duct product overview
Bradford Specitel™ Flexible Duct Insulation
High compressibility and resilience make this glasswool
material ideal for flexible HVAC ducting application. Supplied
only as unfaced bulk glasswool insulation to flexible duct
manufacturers, Specitel is available in a range of widths
to suit various duct diameters.
4.5 Rigid ductliner product overview (internal)
Bradford Supertel™ Ductliner
For economical through to superior performance
uses, Bradford Supertel provides an ideal
combination of thermal and acoustic insulation
to meet most ductlining applications. It is
available in a full range of R-Values to meet the
BCA/NCC requirements and is complemented
by an extensive range of facing options to
meet most applications and environments.
Bradford Ultratel™ Ductliner
The higher density of Bradford Ultratel further enhances
thermal and acoustic performance to provide a premium
solution or to reduce the thicknesses whilst achieving the
same thermal performance.
Bradford Fibertex™ 350
Fibertex 350 rockwool offers a totally non-combustible
(AS1530.1) industrial grade ductliner base material which is
ideal for thermal and acoustic applications up to 350°C. For
standard temperature ranges <70°C Fibertex can be used
with various facing options. For higher temperature
applications, Fibertex must be faced with Ultraphon which is
an ideal ductliner for high temperature applications in harsh
environments.
Bradford Fibertex™ 450
Fibertex 450 rockwool offers a totally non-combustible
(AS1530.1) industrial grade ductliner base material which
is ideal for thermal and acoustic applications up to 450°C.
For standard temperature ranges <70°C Fibertex can be
used with various facing options. For higher temperature
applications, Fibertex must be faced with Ultraphon which is
an ideal ductliner for high temperature applications in harsh
environments.
4.6 Rigid ductwrap product overview (external)
Bradford Multitel™ Ductwrap
Flexible and strong, Multitel glasswool is an economical
solution for external duct wrapping. Available in a range of
R-Values to meet the BCA requirements, Multitel is typically
faced with medium or heavy duty Thermofoil and can be used
to complement internal ductwork insulation such as Supertel
to achieve higher R-Values.
Bradford Flexitel™ Ductwrap
The added density of Flexitel glasswool allows the
achievement of a more aesthetic surface finish for external
ductwrap when compared to Multitel. Available in a range of
R-Values to meet the BCA requirements, Flexitel is typically
faced with Medium or Heavy Duty Thermofoil and can be used
to complement internal ductwork insulation such as Supertel
to achieve greater thermal performance.
4.7 Maximum design velocity for facings
Recommended maximum design velocities for duct linings
have been determined by testing for nil surface erosion in
accordance with Underwriters Laboratories Standard UL181
– 1996, Section 16 at velocities of up to 40m/s. A safety
factor of 0.4 is applied in accordance with the Standard to
give a recommended maximum working velocity of 16m/s.
For higher velocities, duct linings should be used behind
perforated sheet metal mechanically fastened to the duct
wall. Maximum design velocities are valid for ductliner
insulation faced by CSR Bradford and installed according to
AS4254 and CSR Bradford recommendations.
4a: Multitel and Flexitel are ideal ductwrap insulation
choices combined with Thermofoil
4b: High Density Perforated Thermofoil combined with Supertel
is a popular ductliner combination
HVAC & Pipework Insulation Product Selector PAGE 11
ACOUSTIC PERFORMANCE 5.0
Sound absorption is a key requirement of internal ductliners. Table 5.1 below outlines the key acoustic performance
characteristics of popular ductliner and facing combinations.
5.1 Sound absorption
Sound absorption results in yellow tested in accordance with AS ISO 354 - 2006 and NRC results tested in accordance
with ASTM C423-90A
Sound absorption results in grey tested in accordance with AS1045:1998
ProductNominal
thickness mm
ISO354 individual representative Sound Absorption Coefficients
100 125 250 500 1000 2000 3150 4000 5000 NRC aω
Supertel™ Ductliner
Unfaced 38 (40) 0.07 0.13 0.42 0.89 1.03 0.99 0.98 .097 0.96 0.85 0.70 (MH)
Thermofoil™ HD Perf 38 (40) 0.10 0.13 0.43 0.89 1.02 0.89 0.84 0.82 0.82 0.80 NA
Ultraphon™ 38 (40) 0.11 0.14 0.45 0.96 1.00 0.96 0.98 0.93 0.94 0.85 NA
Acoustituff™ 38 (40) 0.23 0.28 0.53 1.08 0.88 0.47 0.31 0.25 0.19 0.75 NA
Unfaced 50 0.10 0.20 0.57 1.09 1.12 1.04 1.04 1.06 1.04 0.95 0.90
Thermofoil™ HD Perf 50 0.16 0.20 0.70 0.91 1.08 0.95 0.94 0.89 0.80 0.90 NA
BMF 50 0.06 0.13 0.58 1.09 1.09 1.06 1.09 1.09 1.04 0.95 0.85
HD Perf & Microfilm 50 0.24 0.32 1.14 0.94 0.48 0.22 0.15 0.06 0.03 0.70 NA
Acoustituff™ 50 0.13 0.23 0.87 1.15 0.88 0.51 0.38 0.30 0.25 0.85 0.4 (LM)
Ultraphon™ 50 0.10 0.17 0.63 1.15 1.16 1.03 1.02 1.03 1.02 1.00 0.95
Unfaced 75 0.19 0.28 1.01 1.21 1.09 0.99 1.05 1.00 0.98 1.05 1.00
Thermofoil™ HD Perf 75 0.17 0.33 1.05 1.25 1.06 0.98 0.95 0.91 0.83 1.10 1.00
BMF 75 0.19 0.29 1.01 1.19 1.07 1.00 1.01 0.98 0.95 1.05 1.00
Ultraphon™ 75 0.19 0.29 1.03 1.17 1.08 1.02 1.03 0.99 0.97 1.10 1.00
Unfaced 100 0.32 0.48 1.19 1.22 1.08 1.03 1.02 1.03 1.04 1.15 1.00
Thermofoil™ HD Perf 100 0.45 0.60 1.21 1.21 1.13 1.09 1.01 0.99 0.94 1.15 1.00
Ultratel™ Ductliner
Thermofoil™ HD Perf 50 0.11 0.21 0.75 1.25 1.16 1.05 1.01 1.02 0.97 1.05 1.00
BMF 50 0.15 0.25 0.70 1.13 1.13 1.12 1.10 1.12 1.12 1.00 NA
Acoustituff™ 50 0.14 0.26 0.79 1.03 0.92 0.69 0.56 0.42 0.30 0.85 0.65 (LM)
Thermofoil™ HD Perf 75 0.26 0.36 1.14 1.17 1.09 1.01 0.98 0.93 0.87 1.10 1.00
Fibertex Rockwool 350
Unfaced 25 0.01 0.07 0.29 0.81 1.09 1.11 1.10 1.12 1.13 0.85 0.60 (MH)
Fibertex Rockwool 450
Unfaced 50 0.09 0.21 0.77 1.11 1.15 1.10 1.10 1.10 1.10 1.05 1.00
Note: aω indicates the practical sound absorption coefficient result, which exceeds 0.25 or more absorption from the shift reference curve at a particular
frequency range (Low at 250Hz, Medium at 500Hz or 1000Hz, or High at 2000Hz or 4000Hz).
PAGE 12 HVAC & Pipework Insulation Product Selector
Climate Zone
Location 1 2 3 4 5 6 7 8
Heating water piping for systems of not more than 65kW heating capacity
Located internally R1.0 R1.0 R1.0 R1.0 R1.0 R1.0 R1.0 R1.3
R1.1 R1.1 R1.1 R1.1 R1.1 R1.1 R1.1 R1.4
R1.2 R1.2 R1.2 R1.2 R1.2 R1.2 R1.2 R1.5
Heating water piping for systems of more than 65kW heating capacity
Located internally R1.0 R1.0 R1.0 R1.0 R1.0 R1.0 R1.0 R1.7
R1.1 R1.1 R1.1 R1.1 R1.1 R1.1 R1.1 R1.8
R1.2 R1.2 R1.2 R1.5 R1.2 R1.5 R1.5 R1.9
Cooling water piping for systems of not more than 65kWr capacity
Located internally R1.0 R1.0 R1.0 R0.6 R1.0 R0.6 R0.6 R0.6
R1.1 R1.1 R1.1 R0.7 R1.1 R0.7 R0.7 R0.7
R1.2 R1.2 R1.2 R0.8 R1.2 R0.8 R0.8 R0.8
Cooling water piping for systems of more than 65kWr capacity but not more than 250kW capacity
Located internally R1.7 R1.7 R1.7 R1.3 R1.7 R1.3 R1.3 R1.0
R1.8 R1.8 R1.8 R1.4 R1.8 R1.4 R1.4 R1.1
R1.9 R1.9 R1.9 R1.5 R1.9 R1.5 R1.5 R1.2
Cooling water piping for systems of more than 250kWr capacity
Located internally R2.0 R2.0 R2.0 R1.7 R2.0 R1.7 R1.7 R1.3
R2.1 R2.1 R2.1 R1.8 R2.1 R1.8 R1.8 R1.4
R2.2 R2.2 R2.2 R1.9 R2.2 R1.9 R1.9 R1.5
Refrigerant not more than 2°C
Pipe nominal diameter
15mm - 40mm R1.3 R1.3 R1.3 R1.3 R1.3 R1.3 R1.3 R1.3
50mm - 80mm R1.7 R1.7 R1.7 R1.7 R1.7 R1.7 R1.7 R1.7
100mm - 125mm R2.0 R2.0 R2.0 R2.0 R2.0 R2.0 R2.0 R2.0
150mm R2.0 R2.0 R2.0 R2.0 R2.0 R2.0 R2.0 R2.0
200mm R2.7 R2.7 R2.7 R2.7 R2.7 R2.7 R2.7 R2.7
Refrigerant more than 2°C but not more than 20°C (see cooling water tables above)
Steam and condensate not more than 120°C
Pipe nominal diameter
15mm - 40mm R1.0 R1.0 R1.0 R1.0 R1.0 R1.0 R1.0 R1.0
50mm - 80mm R1.0 R1.0 R1.0 R1.0 R1.0 R1.0 R1.0 R1.0
100mm - 125mm R1.3 R1.3 R1.3 R1.3 R1.3 R1.3 R1.3 R1.3
150mm R1.3 R1.3 R1.3 R1.3 R1.3 R1.3 R1.3 R1.3
200mm R1.3 R1.3 R1.3 R1.3 R1.3 R1.3 R1.3 R1.3
Steam more than 120°C
Pipe nominal diameter
15mm - 40mm R1.5 R1.5 R1.5 R1.5 R1.5 R1.5 R1.5 R1.5
50mm - 80mm R1.5 R1.5 R1.5 R1.5 R1.5 R1.5 R1.5 R1.5
100mm - 125mm R1.5 R1.5 R1.5 R1.5 R1.5 R1.5 R1.5 R1.5
150mm R1.8 R1.8 R1.8 R1.8 R1.8 R1.8 R1.8 R1.8
200mm R2.1 R2.1 R2.1 R2.1 R2.1 R2.1 R2.1 R2.1
6.0The BCA covers pipe insulation energy efficiency requirements which in part cover the following Deemed-to-Satisfy requirements:
6.1 BCA compliant material R-Value by climate zone & application
Based upon the location of your project and type of heating/cooling system, use the table below to determine the required
Deemed-to-Satisfy material R-Value (RM).
PIPEWORK - MINIMUM DEEMED-TO-SATISFY REQUIREMENTS
Note: Piping to be insulated includes all flow and return piping, cold water supply piping within 500mm of the connection to the heating and cooling system and pressure relief piping within 500mm of the connection to the heating and cooling system. Tanks, vessels and heat exchangers must comply to BCA Vol 1 Spec. J5.4 - R-Values range from R1.3 - R2.5.
HVAC & Pipework Insulation Product Selector PAGE 13
6.2 Available products – pipework sectional pipe insulation (SPI)
CSR Bradford supplies Glasswool and Rockwool preformed pipe insulation. Simply select which material best suits your
application and read across from the pipe size outer diameter (OD) to determine the required insulation thickness to meet the
R-Value for your application. The RM values are calculated based on the preformed sectional pipe method calculation of AS4859.1.
6.2.1 Glasswool SPI – recommended minimum insulation thickness (mm)
Pipe BCA Minimum Material R-Value
OD 0.6 0.7 0.8 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.7
12.7 25 25 25 25 25 25 25 25 25 40 40 40 40 40 40 40 40
16.0 25 25 25 25 25 25 25 25 40 40 40 40 40 40 40 40 50
19.1 25 25 25 25 25 25 25 40 40 40 40 40 40 40 40 40 50
21.5 25 25 25 25 25 25 25 40 40 40 40 40 40 40 40 40 50
25.4 25 25 25 25 25 25 40 40 40 40 40 40 40 40 40 40 50
26.9 25 25 25 25 25 25 40 40 40 40 40 40 40 40 40 40 50
31.8 25 25 25 25 25 40 40 40 40 40 40 40 40 40 40 50 50
33.8 25 25 25 25 25 40 40 40 40 40 40 40 40 40 50 50 50
38.2 25 25 25 25 25 40 40 40 40 40 40 40 40 40 50 50 65
42.2 25 25 25 25 40 40 40 40 40 40 40 40 40 50 50 50 65
48.4 25 25 25 25 40 40 40 40 40 40 40 40 40 50 50 50 65
50.7 25 25 25 25 40 40 40 40 40 40 40 40 50 50 50 50 65
60.4 25 25 25 25 40 40 40 40 40 40 40 50 50 50 50 50 65
63.4 25 25 25 25 40 40 40 40 40 40 40 50 50 50 50 50 65
76.1 25 25 25 40 40 40 40 40 40 40 40 50 50 50 50 50 65
88.8 25 25 25 40 40 40 40 40 40 40 50 50 50 50 50 65 65
101.5 25 25 25 40 40 40 40 40 40 40 50 50 50 50 65 65 65
114.2 25 25 25 40 40 40 40 40 40 50 50 50 50 50 65 65 65
127.1 25 25 25 40 40 40 40 40 40 50 50 50 50 50 65 65 65
141.1 25 25 25 40 40 40 40 40 40 50 50 50 50 65 65 65 75
152.4 25 25 25 40 40 40 40 40 50 50 50 50 50 65 65 65 75
168.5 25 25 25 40 40 40 40 40 50 50 50 50 50 65 65 65 75
219.0 25 25 25 40 40 40 40 40 50 50 50 50 65 65 65 65 75
PAGE 14 HVAC & Pipework Insulation Product Selector
6.2.2 Rockwool SPI – recommended minimum insulation thickness (mm)
Pipe BCA Minimum Material R-Value
OD 0.6 0.7 0.8 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.7
12.7 25 25 25 25 25 25 25 25 40 40 40 40 40 40 40 40 40
16.0 25 25 25 25 25 25 25 40 40 40 40 40 40 40 40 40 50
19.1 25 25 25 25 25 25 25 40 40 40 40 40 40 40 40 40 50
22.0 25 25 25 25 25 25 40 40 40 40 40 40 40 40 40 40 50
25.4 25 25 25 25 25 25 40 40 40 40 40 40 40 40 40 40 50
26.9 25 25 25 25 25 40 40 40 40 40 40 40 40 40 40 50 50
31.8 25 25 25 25 25 40 40 40 40 40 40 40 40 40 50 50 50
35 25 25 25 25 25 40 40 40 40 40 40 40 40 40 50 50 65
38.1 25 25 25 25 40 40 40 40 40 40 40 40 40 50 50 50 65
43 25 25 25 25 40 40 40 40 40 40 40 40 40 50 50 50 65
49 25 25 25 25 40 40 40 40 40 40 40 40 50 50 50 50 65
50.8 25 25 25 25 40 40 40 40 40 40 40 40 50 50 50 50 65
61 25 25 25 40 40 40 40 40 40 40 40 50 50 50 50 50 65
63.5 25 25 25 40 40 40 40 40 40 40 40 50 50 50 50 50 65
76.1 25 25 25 40 40 40 40 40 40 40 50 50 50 50 50 65 65
88.9 25 25 25 40 40 40 40 40 40 50 50 50 50 50 65 65 65
102 25 25 25 40 40 40 40 40 40 50 50 50 50 50 65 65 65
115 25 25 25 40 40 40 40 40 40 50 50 50 50 65 65 65 65
130 25 25 25 40 40 40 40 40 50 50 50 50 50 65 65 65 75
139.7 25 25 25 40 40 40 40 40 50 50 50 50 50 65 65 65 75
152.4 25 25 25 40 40 40 40 40 50 50 50 50 65 65 65 65 75
170 25 25 25 40 40 40 40 40 50 50 50 50 65 65 65 65 75
196 25 25 25 40 40 40 40 50 50 50 50 65 65 65 65 65 75
221 25 25 25 40 40 40 40 50 50 50 50 65 65 65 65 65 75
246 25 25 25 40 40 40 40 50 50 50 50 65 65 65 65 65 75
275 25 25 25 40 40 40 40 50 50 50 50 65 65 65 65 65 75
298.5 25 25 40 40 40 40 40 50 50 50 65 65 65 65 65 65 90
326 25 25 40 40 40 40 40 50 50 50 65 65 65 65 65 65 90
358 25 25 40 40 40 40 40 50 50 50 65 65 65 65 65 65 90
381 25 25 40 40 40 40 50 50 50 50 65 65 65 65 65 65 90
408.8 25 25 40 40 40 40 50 50 50 50 65 65 65 65 65 75 90
432 25 25 40 40 40 40 50 50 50 50 65 65 65 65 65 75 90
459.6 25 25 40 40 40 40 50 50 50 50 65 65 65 65 65 75 90
483 25 25 40 40 40 40 50 50 50 50 65 65 65 65 65 75 90
HVAC & Pipework Insulation Product Selector PAGE 15
PRODUCT DETAIL 7.0
The following tables outline the key products and technical information on Enviroduct range. Further information can be found
in the product guide and on the product datasheets.
Product Description
Bradford Glasswool Specitel™ (14kg/m3)
Bradford Glasswool Specitel is designed for use as the base insulation material for flexible HVAC ducting, for residential and commercial applications. The excellent insulative properties of Specitel are complemented by its compressibility and resilience, making it easy to transport as compressed ducting. Specitel is typically un-faced and is used to satisfy the requirements of Australian Standard AS4508-1999; “Thermal Resistance of Insulation for Ductwork used in Building Air Conditioning.” Specitel is low irritant and has low VOC, and has a recommended maximum service temperature of 205˚C - well above typical application temperature for flexible ducting.
Bradford GlasswoolMultitel™ (18kg/m3)
Bradford Glasswool Multitel is a low density lightweight insulation used for externally lining duct work. Multitel is a versatile flexible insulation material that is designed for the economic external insulation of heating, ventilating and cooling ductwork. Multitel comes in a range of thicknesses that meet the performance requirements as set out by the Building Code of Australia. Available in plain and faced.
Bradford GlasswoolDuctwrap™ (22kg/m3)
Bradford Glasswool Ductwrap is a flexible insulation blanket used for externally insulating rectangular, rigid ductwork. Glasswool Ductwrap is typically faced with a Bradford Thermofoil facing which acts as a vapour barrier, once installed.
Bradford Glasswool Flexitel™ (24kg/m3)
Bradford Glasswool Flexitel is a lightweight flexible insulation with higher compression resistance and tensile strength than Multitel. Available in rigid boards or flexible blanket, Flexitel is suitable for either internal or external duct lining applications and can accommodate a maximum service temperature up to 350°C. Available in plain, as well as faced, with a range of factory applied facings, making it suitable for both acoustic and thermal control when installed in rigid air conditioning ductwork.
Bradford GlasswoolSupertel™ (32kg/m3)
Bradford Glasswool Supertel has been designed as a high performance thermal and acoustic insulation product for applications where superior insulation performance is required at minimal thickness. Typical applications for Supertel include air conditioning internal duct lining, acoustic enclosures, under soffit insulation and car parks. Available in plain, as well as faced with a range of factory applied facings. Depending upon which facing product is chosen, Supertel can offer a combination of acoustic, thermal and moisture control for commercial air conditioning and acoustic enclosures.
Bradford Glasswool HT Thermatel™ (44kg/m3)
Bradford Glasswool HT Thermatel is a black, premium woven glass facing suitable for visible applications where superior broadband sound absorption properties are required. Note: Not suitable as a vapour barrier.
Bradford Glasswool Ultratel™ (48kg/m3)
Bradford Glasswool Ultratel is designed to provide high performance internal insulation of heating, air conditioning and cooling ducted systems. Ultratel delivers superior sound absorption and attenuation due to its higher density and rigid properties. Available in plain, as well as faced with a range of factory applied facings that offer both vapour seal and acoustic benefits. Ultratel is often specified and used as internal duct lining material in high performance air conditioning applications.
Bradford Glasswool Quietel™ (130kg/m3)
Bradford Glasswool Quietel is an ultra high density insulation with excellent acoustic performance for both sound transmission and absorption while providing excellent thermal resistance. Quietel also has superior compressive resistance for use in trafficable areas. Quietel is typically un-faced.
Bradford Rockwool Fibertex™
Bradford Rockwool Fibertex has excellent insulation and fire resistance properties, and is designed for applications up to 820˚C. Rockwool Fibertex can be used in applications such as process temperature control, energy conservation, condensation prevention, acoustic absorption treatment and personal protection from plant and equipment. Available in either un-faced board or as a foil faced blanket, Rockwool Fibertex is generally selected by the temperature of the application. Available in Fibertex 350 (60kg/m3, Light duty), 450 (80kg/m3, Medium duty), 650 (100kg/m3, Heavy duty) and specialty purpose 820 (110kg/m3, Heavy duty).
Bradford Rockwool Fibermesh™
Bradford offers a range of Rockwool products designed for applications up to 650˚C. Rockwool Fibermesh features stainless steel mesh that is used to hold shape during and after installation. Rockwool Fibermesh products are used to insulate tanks, vessels and larger process equipment from energy loss. Rockwool Fibermesh is generally selected by the temperature of the application. Available in Fibermesh 350 (Light Duty), 450 (Medium Duty) and 650 (Heavy Duty).
Bradford Glasswool SPI - (1000mm lengths)
Bradford Glasswool Pipe Insulation (SPI) is used in both commercial and industrial applications for the insulation of piping for heavy industrial plants, building services, heating and cooling water piping etc. It provides excellent thermal insulation up to a working temperature of 350˚C as well as personnel protection and energy saving benefits. Glasswool SPI is available in a variety of wall thicknesses, pipe diameters and facings, and also features sealed edge strips for ease of application and savings.
Bradford Fibertex Rockwool SPI –(1200mm lengths)
Bradford Fibertex Sectional Pipe Insulation (SPI) is preformed moulded Rockwool sectional pipe insulation designed to limit energy loss and provide personnel protection from industrial piping. The product is suitable for continuous operation up to 650˚C. Bradford Fibertex Rockwool SPI is available either plain or with factory applied facings.
For more information call 1300 850 305 or visit www.bradfordinsulation.com.au
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CSR Bradford Locked Bag 1345 North Ryde BC NSW 1670
Email: [email protected]
CSR Bradford is a business division of CSR Building Products Limited ABN 55 008 631 356
The contents of this brochure are copyright protected and may not be reproduced in any form without prior written consent of CSR Bradford. Recommendations and advice regarding the use of the products described in this brochure are to be taken as a guide only, and are given without liability on the part of the company or its employees. We reserve the right to change product specifications without prior notification, please refer to the CSR Bradford website for the latest revision of this document. The purchaser should independently determine the suitability of the product for the intended use and application.
8.0Glasswool & Rockwool insulation products are excellent insulation materials and are safe to use under all conditions.
Insulation materials have been in worldwide use for over 70 years, and during that time their manufacture and use have
been extensively monitored and researched.
CSR Bradford Glasswool & Rockwool products are manufactured using the latest FBS-1 technology. Detailed information on
health & safety is contained in the MSDS & ICANZ (Insulation Council of Australian & New Zealand) literature available from
our website: www.bradfordinsulation.com.au.
HEALTH AND SAFETY
9.0CSR Building Products Limited warrants CSR Bradford products to be free of defects in materials and manufacture.
CSR Bradford bulk insulation and foil faced products should not come into contact with water or be used in external
applications or alkaline environments. Contact CSR Bradford for further Warranty details or refer to the Product or Project
specific Warranty where applicable. For full Product Warranty details please refer to our website.
PRODUCT WARRANTY