Trisobuild Site assembled roofing and cladding systems - TataSteelConstruction.com
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Uniclass
L5221:P4
CI/SfB
(4-) Nh
August 2020
Trisobuild®
Site assembled roofing and cladding systems
Contents
4-5 Introduction and benefits
6-9 Profile types
10 Trisobuild® systems reference guide
11 Trisobuild® R /RWL systems
12-13 Trisobuild® CR system
14-17 Trisobuild® acoustic systems
18 Trisobuild® wall systems
19 Trisobuild® - Fire performance
20-21 Trisobuild® fire wall systems
22 Trinsul® system
23 Colorcoat® products and services
24-25 Quality assurance and site guidance
Tata Steel
26-34 Roof construction details and
installation guidance
35-46 Wall construction details and
installation guidance
47 Performance benefits
Tata Steel is one of Europe’s leading steel
producers. Our comprehensive range of high
quality products and services are supported by
steel making sites in the UK and The Netherlands,
a European-wide distribution and service centre
network and downstream businesses ranging
from tubes and building systems to plating.
Our approach to business is unique. We needs and to making them in the most
believe our strength is how we build responsible way possible.
collaborative relationships that create new
This means, practically, that we commit to:
success for our customers, adding value to
■ Producing steel products for the future.
their business and helping them to perform
■ Investing in sustainable steel making.
in their markets. As a company, we are
■ Improving our existing processes.
dedicated to managing our operations
■ Facilitating the recycling loop.
responsibly and to continuously improving
our performance. We operate in a way that is
safe for our people and which respects the Building envelope
environment, with care towards the
Tata Steel has extensive panel and profiling
communities surrounding our operations
manufacturing capabilities. We are the only
and beyond.
company able to offer a comprehensive range
of insulated panels, built-up systems, special
Sustainability profiles, structural roof and floor decking
profiles from one single UK source, with the
Steel is an essential material, intrinsic to our
support and backing of a truly global company
way of life and to the products society will
and complete supply chain.
demand in a sustainable future. Steel is a
material that is used, not consumed. It is With such a diverse product portfolio and
recycled and used again, without any loss of 60 years experience, we are uniquely able to
quality, time after time. At Tata Steel, we are offer the specifier an unbiased solution to
committed to making the products society meet the design criteria for any project.
London Victoria Station
Client: Network Rail
Main contractor: May Gurney
Design engineer: WSP
Tata Steel products: Trisobuild® R46 and PM13 profiles
Colorcoat® product: Colorcoat HPS200 Ultra®
2 T: +44 (0) 1244 892199 | www.tatasteelconstruction.com T: +44 (0) 1244 892199 | www.tatasteelconstruction.com 3
Trisobuild® systems
Instaloc® Plus
®
Trisobuild The Instaloc® Plus spacer system from Tata Steel
provides a stronger design than a conventional
spacer.
This design is incorporated into both Trisobuild® roof
and vertical wall systems and provides a stable
platform with depths available from 140mm up to
Made in the UK at our Shotton site in North Wales, Tata Steel offers a 400mm in 20mm increments.
comprehensive range of Trisobuild® systems tailored to meet the This increased strength allows the designer the ability to specify deeper
requirements of your building specification. Our internal and external profiles systems to comply with the demands of lower U-value requirements.
offer design flexibility with an offering from 19mm to 46mm deep and a Comprehensive testing has shown that the bracket spacing can extend
to 1200mm in most load cases, saving time and material cost as well as
choice of perforated liners for acoustic applications. complementing standard insulation quilt widths
For further information on span load and installation details please
Trisobuild® systems can be customised to meet your design requirements contact our Technical Department on +44 (0) 1244 892199.
including thermal performance, fire resistance and acoustic performance. All U-value calculations shown within this brochure for roof and vertical
wall systems incorporate the Instaloc® Plus spacer.
All our Trisobuild® systems comprise of a Colorcoat® pre-finished steel
trapezoidal liner profile, an Instaloc® Plus spacer system, an insulation layer
and a Colorcoat® pre-finished steel external weathering profile.
Platinum® Plus system guarantee
Technical support freely available Trisobuild® systems
All our products are fully tested by third parties 1 Colorcoat® pre-finished steel
A guarantee of enduring performance
for criteria such as thermal performance, fire external weathering profile.
safety, acoustic performance, air-tightness, and 2 Platinum® Plus approved insulation layer. Platinum® Plus is a system guarantee for up to Key features of Platinum® Plus system Create online project specific specifications:
resistance to water penetration. This together 3 Instaloc® Plus spacer system. 30 years, that covers the durability, structural guarantee: Generate bespoke building envelope systems
with our extensive and unbiased technical and thermal performance of all system ■ Support from specification to on-site check. that will bring your design to life. Our online
4 Colorcoat® pre-finished steel
support sets us apart. liner profile. components. It is fully transferable on change ■ One point of contact. specification builder is super easy to use,
1 of ownership of the building. Our reputable complete with 3D product previews and
We will recommend the most appropriate ■ Broad choice of components available
supply chain partners and commitment to access to our full range of colours. Manage all
system for your project to provide you with directly from leading suppliers.
responsible sourcing creates an enhanced your specifications from ‘My projects’.
a building envelope solution that meets your 2
■ 60 years’ experience and extensive testing.
building envelope system that is robust and
requirements, performance criteria and is For information and help on creating your
proven. Platinum® Plus offers enduring ■ Fully traceable and integrated Tata Steel
long lasting. Platinum® Plus tailored specification please
4
durability and building performance, lowering supply chain.
contact:
We offer support on: cost of ownership through the life of the ■ Underpinned by Confidex®. T: +44 (0) 1244 892199
■ Specification writing. building.
■ EPD third-party verification. E: technical.envelopeproducts@
■ Detail design.
3 ■ Fully transferable guarantee direct to the tatasteeleurope.com
■ Wind and snow load calculations.
building owner. www.tatasteelconstruction.com/speccreator
■ U-value calculation.
■ Load span checks. All our steel profiles are manufactured
in factory conditions operating to Quality
■ Acoustic SRI predictions.
Management standard BS EN ISO 9001:2015
■ Building Regulations advice. and Environmental Management standard
■ Assistance with SBEM. BS EN ISO 14001:2015 with full traceability,
all our steel profile components are certified
■ Advice on maximising BREEAM credits.
‘Very Good’ to BRE’s responsible sourcing
■ Condensation risk analysis. standard BES 6001.
■ Fire performance.
4 T: +44 (0) 1244 892199 | wwww.tatasteelconstruction.com T: +44 (0) 1244 892199 | www.tatasteelconstruction.com 5
Trisobuild® systems
Roof profiles Wall profiles
Tata Steel offer an attractive range of roof profiles to 13.5/3 profile 990.6 Cover width Tata Steel offer an attractive and economic range of CL19 profile
1000 Cover width
meet both the aesthetic and structural requirements 76.2 Pitch Colour wall profiles to meet the aesthetic requirements of the
side 106.6 Colour
of the designer. 19 designer. side
19
166.6 Pitch 25
Load/span figures R32 profile
1000 Cover width Load/span figures
The load/span information in the table below is based on safe loads over 200 Pitch 27 The load/span information in the table below is based on a span of 1.5m C32 profile
Colour 1000 Cover width
a 1.8m span and a deflection limit of L/200 and should be used as a side 32 and a deflection limit of L/150 and should be used as a guide only.
200 Pitch 128 Colour
guide only. For full load span table information please visit our website 127.5 For full load span table information please visit our website or contact side
or contact the Technical Department on +44 (0) 1244 892199. the Technical Department. 32
R35 profile
900 Cover width 27
Curving 150 Pitch 35 Colour Curving
side C32MR profile
Although the self curve minimum values shown have been chosen with 35 The factory curved data relates to a single convex curve. 1000 Cover width
aesthetics in mind some stress marking may be present in the profile 25 75 200 Pitch 127 Colour
For information regarding double or wave curves please contact our side
trough. The factory curved data relates to a single convex curve.
Technical Department on: 3
Information regarding double or wave curves please contact the R46 profile 900 Cover width 60
T: +44 (0) 1244 892199
Technical Department. 225 Pitch 67
27
E: technical.envelopeproducts@tatasteeleurope.com
Colour C46 profile
Further information about design and detailing of a curved roof can be side 46 900 Cover width
found under the Trisobuild® CR system section of this brochure. 105 Colour
105 side
46
Note: all measurements in diagrams are in mm.
225 Pitch 67
Roof profile range Note: all measurements in diagrams are in mm.
Profile Material and Gauge Weight Max. load for a 1.8m span Max. Min. Min. Min.
available finish (mm) (kg/m2) 2 2
sheet convex factory roof Wall profile range
Imposed load (kN/m ) Wind suction load (kN/m ) length self curve pitch***
Single Double Multi Single Double Multi curve (m) (mm)* Profile Material and Gauge Weight Max. load for a 1.5m span Max. Min. Suitable
span span span span span span available finish (mm) (kg/m2) sheet factory for
Imposed load (kN/m2) Wind suction load (kN/m2) length curve horizontal
13.5/3 Steel 0.7 6.90 0.37 1.00 1.00 – 1.21 1.47 8000 30 NA 10
(H, HDS, P & LG) Single Double Multi Single Double Multi (mm*) use?
span span span span span span
R32 Steel 0.7 6.76 1.38 1.24 1.50 1.47 1.75 2.18 16000 40 400 4
13.5/3 Steel 0.7 6.90 1.01 1.60 1.94 1.01 1.60 1.94 8000 NA Yes
(H, HDS, P & LG)
(H, HDS, P & LG)
Aluminium 0.9 2.99 0.60 1.18 1.42 0.90 1.59 1.98 16000 40 1000 4
Aluminium 0.9 3.05 0.48 1.15 1.15 0.48 1.15 1.15 8000 NA Yes***
(MF, SA & CA)
(MF, SA & CA)
R35 Steel 0.7 7.08 2.11 1.81 2.18 2.43 2.56 3.19 16000 55 NA 4
(H, HDS, P & LG) CL19 Steel 0.5 4.53 0.53 0.74 0.89 0.79 0.84 1.05 10000 350 No
(H, HDS, P & LG)
R46 Steel 0.7 7.36 3.01 1.82 2.15 3.87 4.07 5.10 16000 55 400 4
(H, HDS, P & LG) Steel 0.7 6.34 0.91 1.35 1.64 1.22 1.50 1.88 10000 400 Yes***
(H, HDS, P & LG)
Aluminium 0.9 3.25 1.74 1.63 1.92 2.31 3.61 4.51 16000 55 1000 4
(MF, SA & CA) C32 and Steel 0.5 4.83 1.37 0.92 1.09 1.38 1.37 1.71 16000 400 No
C32MR (H, HDS, P & LG)
Key: Steel 0.7 6.77 2.38 1.74 2.09 2.46 2.38 2.98 16000 400 Yes***
Profile manufacturing tolerance (This applies to all profiles)
H – Colorcoat HPS200 Ultra® (H, HDS, P & LG) (MR only)
HDS – Colorcoat HPS200 Ultra® double sided Cover width (mm) ±5
Aluminium 0.9 2.99 1.49 1.58 1.89 1.45 2.31 2.89 16000 1000 Yes***
P – Colorcoat Prisma® Squareness (mm) < 0.5% of cover width (MF, SA & CA) (MR only)
LG – Colorcoat® LG Length (mm) < 3m + 10, -5 C46 Steel 0.5 5.25 1.78 1.26 1.47 3.45 3.08 3.86 16000 400 No
MF – Mill finish aluminium
SA – Stucco embossed aluminium**
Length (mm) > 3m + 20, -5 (H, HDS, P & LG)
CA – Pre painted aluminium** Tolerance is in accordance with BS EN 14782 Steel 0.7 7.36 3.67 2.44 2.86 5.82 5.50 6.88 16000 400 Yes***
For an up to date list of our standard colours please contact our sales department. (H, HDS, P & LG)
General reference
All measurements throughout this brochure are referenced in mm unless stated otherwise. Aluminium 0.9 3.25 2.99 2.10 2.44 2.99 2.06 2.39 16000 1000 Yes***
* Measured to inside face.
Technical illustrations are not to scale. (MF, SA & CA)
** Subject to min order quantities.
*** Min. pitch after design deflections.
Key:
H – Colorcoat HPS200 Ultra® For an up to date list of our standard colours please contact our sales department.
HDS – Colorcoat HPS200 Ultra® double sided
* Measured to inside face.
P – Colorcoat Prisma®
** Subject to min order quantities.
LG – Colorcoat® LG
*** For horizontal cladding Tata Steel recommend the allowable variation in the
MF – Mill finish aluminium
outer flange level of the cladding rail with respect to a vertical datum line is L/600
SA – Stucco embossed aluminium** (where L is the rail spacing).
CA – Pre painted aluminium**
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Trisobuild® systems
Special wall profiles Tailored profile range
Tata Steel offer an attractive range of special order Sinusoidal profiles You can create expressive designs, putting your own
wall profiles in a range of finishes and colours to 13.5/3 profile
990.6 Cover width
stamp on your building, using our Trisobuild® tailored
meet the aesthetic requirements of the designer. profile range. Architecturally inspired façades built
76.2 Pitch Colour
side from an exclusive offering from Tata Steel, available
19
Further information in the Colorcoat Prisma® pre-finished steel range of
For further information on span tables, profile self weight, gauge 42/960 profile colours, perfectly complementing one another.
960 Cover width
options, external finish options and colour range please contact us for
further information on +44 (0) 1244 892199. Whatever functionality or aesthetic appeal is sought there is a solution
40.5
35 in Tata Steel’s profiles range, which has been expanded with new styles
160 that can be tailored to create a unique aesthetic. The exciting new
Plank profiles
profile shapes offer unparalleled creative freedom for building modern
Plank 30/250
25 Pyramid profiles and contemporary looking structures that will provide truly unique and
A
30 Pyramid 37/510 PD 22/500 sensational building façades.
B
510 Cover width 500 Cover width
250
1000
37 For more details and to view the full range visit our website or contact
22
170 98 72 the Technical Department on:
105
Plank 23/250 20 T: +44 (0) 1244 892199
247 3 Pyramid 37/460 E: technical.envelopeproducts@tatasteeleurope.com
460 Cover width
23 Pagode 40/450 www.tatasteelconstruction.com
35 450 Cover width
250
92 20 72 190
Plank 23/250 micro 40
247 3 Diamond 40/440 80 200
A
440 Cover width
23 B 30
37
250 19 40
117 30
Plank 40/300 micro
275 ±25
A
B
40
300
Special profiles
Twin 33/1000
Liner profiles
1000 Cover width
60 Tata Steel offer a range of liner profiles, which provide LP1000
1000 Cover width
WP40 profile WP40H profile 183.3
40 40 33 an attractive clean and highly reflective internal
166.6 Pitch 25
333.3 30
appearance. The RL32 liner can offer a working
275 272 19
104 Crown platform during the construction phase when specified Colour
300 Cover width 300 Cover width 2
PR8 profile
test cut non-perforated. When the RL32 is perforated it can 106.6 53 side
8 facilitate various acoustic specifications, however RL32
1000 Cover width
Fabrications 142 Pitch 25 should be classed as fragile.
200 Pitch 27
Tata Steel supply fabrications in a variety of girths to suit individual 1136 Cover width
customers’ requirements.
Lengths 32
132 Crown
PM13 profile Long lengths are available, however for practical site handling purposes Colour
13 127.5 side
when using the 0.40mm gauge we would suggest these are kept to a
Alternative lengths are available upon request in girths between
154 Pitch 13 maximum of 5.5m. RL32 liner, trough perforated liner
250mm and 600mm. For high quality finishes a strippable film can be
1078 Cover width 1000 Cover width
applied to the external surface for additional protection from scratches
and scuff marks during subsequent handling and fixing. Note: all measurements in diagrams are in mm.
Spans 200 Pitch 27
In a roof application, the spanning capabilities of the liner profiles
are largely dependent upon their self-weight and the weight of the 32
Colour
insulation they are required to support. If a working platform is required 127.5
side
Oban High School, Argyll (see front cover image) we recommend the RL32 in a 0.7mm steel thickness. If a non-fragility RL32 liner, fully perforated liner
Client: Oban High School rating is required a maximum span and fixing arrangement will need to 1000 Cover width
Architect: Ryder Architecture be specified, for further information on non-fragility specifications, see
200 Pitch 27
Cladding contractor: Chemplas page 11.
32
Tata Steel products: Trisobuild® C32/1000 and Trisobuild® Colour
Pyramid 50/1000 127.5 side
Colorcoat® product: Colorcoat Prisma®
For structural decks and liner trays please refer to our RoofDek brochure,
this can be found at www.tatasteelconstruction.com
Note: all measurements in diagrams are in mm.
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Trisobuild® systems
Trisobuild® systems reference guide Trisobuild® R and RWL systems
The following codes are used as a quick reference within specifications, The Trisobuild® R system comprises of a standard LP1000 steel 0.4mm Tata Steel external roofing profiles,
EPDs, construction drawings etc, to aid communication within dialogue liner. The RWL system uses the 0.7mm steel RL32 as its liner, which is Colorcoat® pre-finished steel.
between all parties in the specification process. a robust walkable liner.
Both systems can be spaced according to the required U-value
Help with specification creation:
requirement using Tata Steel’s Instaloc® Plus spacer system.
Should you require help with creating your Platinum® Plus
tailored specification please contact:
T: +44 (0) 1244 892199 Trisobuild® R system Trisobuild® RWL system
E: technical.envelopeproducts@tatasteeleurope.com
www.tatasteelconstruction.com/speccreator Bracket Insulation U-value Bracket Insulation U-value
height depth (W/m2K) height depth (W/m2K)
(mm) (mm) (mm) (mm)
Trisobuild® systems reference code example 140 140 0.30 140 140 0.32
(System reference) (External reference) – (Insulation/spacer depth) – (Liner profile reference) 160 160 0.26 160 160 0.28
VW R32 – 120 – LP1000 180 180 0.24 180 180 0.25
200 200 0.21 200 200 0.22
220 220 0.19 220 220 0.20
Trisobuild® systems reference codes 240 240 0.18 240 240 0.18
Roof 260 260 0.16 260 260 0.17
Code Description 280 280 0.15 280 280 0.16
Trisobuild – R Roof system (always uses LP1000 0.4mm liner) 300 300 0.14 300 300 0.15
Trisobuild – RWL Roof system with liner (always uses walkable RL32 0.7mm liner)
U-values are based on secondary steelwork support at 1.8m centres,1.2m bracket
spacing and insulation with a 0.040W/mK thermal conductivity.
Tata Steel’s Instaloc® Plus Trisobuild® R - LP1000, 0.4mm
Wall spacer system liner. Trisobuild® RWL - RL32,
Code Description 0.7mm liner (RL32 shown)
Trisobuild – VW Vertical Wall systems
Trisobuild – HW Horizontal Wall systems
Liner non fragility fixing arrangement
Constructions tested and assessed in accordance with ACR[M]001:2011
Fire wall codes Test For Non-Fragility of Profiled Sheeted Roofing Assemblies
These are to be applied before the initial code eg, FW60-VWC32-180-LP1000 (third edition).
Code Description
FW15V or H Fire Wall system giving 15 mins insulation and 4 hrs integrity LP1000 0.4mm steel liner (R) RL32 0.7mm steel liner (RWL)
30mm (centre of 30mm (centre of
FW30V or H Fire Wall system giving 30 mins insulation and 4 hrs integrity screw -> sheet end) screw -> sheet end)
spa
spa
FW60V or H Fire Wall system giving 60 mins insulation and 4 hrs integrity
n
n
Acoustic system codes
These are to be applied after initial code (can be used for both roof or wall, eg, SR38-VW-C32-180-R32 or
SA1+ (50)-RWL-R32-120-RL32
spa
spa
n
Code Description
n
SR (value) Sound Reduction system with predicted Weight SRi value after code
SA1 (slab depth) Sound Absorption system – RL32 0.7mm liner with standard trough perforations
without trough fillers 30mm
+
SA1 (slab depth) Sound Absorption system – RL32 0.7mm liner with standard trough perforations 30mm
with trough fillers
SA2 (slab depth) Sound Absorption system – RL32 0.7mm fully perforated liner without trough fillers
SA2+ (slab depth) Sound Absorption system – RL32 0.7mm fully perforated liner with trough fillers
Span arrangement: Double span Span arrangement: Double span
Maximum span: 1,800mm Maximum span: 2,000mm
Trinsul®
The overall thickness (t) should be quoted after the intial code eg, Trinsul-M-160. Number of fixings: 3 per sheet at all supports Number of fixings: 3 per sheet at all supports
Code Description Min. end distance: 30mm Min. end distance: 30mm
Trinsul-M The Trinsul® system with a 85kg/m3 mineral fibre core Fastener washer size: 19mm Fastener washer size: 19mm
Trinsul-D 3
The Trinsul® system with a 140kg/m core Result: Class C non-fragile Result: Class B non-fragile
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Trisobuild® systems
Trisobuild® CR system
The Trisobuild® CR system is a tried and tested System testing
assembly with a through fixed trapezoidal Radius (m) 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 The Trisobuild® CR has been system tested independently, as The testing was conducted at the BRE in accordance with BS EN 12865
outer sheet which can self-curve around a Apex sheet recommended in BS 5427:2017 ‘Code of practice for the use of profiled ‘Hygrothermal performance of building components and building
range of radii. The system is specified with an length required 5.59 6.28 6.98 7.68 8.38 9.08 9.77 10.47 11.17 11.87 12.57 13.27 13.96 14.66 15.36 sheet for roof and wall cladding’. elements’ which was felt the best method available for testing for
for end lap at 40
apex sheet long enough to ensure that the driving rain and water penetration.
end lap of the profile or roof light is below the Table above assumes radius of roof is after designed deflection.
4 degree pitch of the curve. Designing the roof
and using Trisobuild® CR within this radius
range allows the specifier to optimise cost and
provide an attractive low profile roof, with the Two 6x5mm high performance
butyl strip sealants placed
confidence that all detailing has been
15mm from either end of the
third-party assessed. 150mm lap
Fixing instructions
Follow the guidance table above to ensure
that the position of the first down slope end
lap is at a pitch of 4 degrees or higher. The end
lap sealant specification follows the same
6x5mm high performance strip sealant as the
standard Trisobuild® roof system with two runs
System constructed to 40m radii Test apparatus built around specimen and pressurised
15mm from both ends of the lap.
The apex sheet should be laid centrally to the
peak of the curve and fixed systematically
either side of the apex point with crown
fasteners using saddle washers. This will pull
the sheet around the curve, which can then be
fixed at the end lap point using two fastener
positioned at quarter points within the profile Two trough fasteners Crown fixed at every rib
placed in every trough on each support between
trough. at each end lap position the first downslope
end lap positions
The side lap should be fixed with fasteners at a
maximum of 450mm.
Fasteners downslope of this top end lap
position can be more conventionally placed in
every trough as shown below.
All support positions between first downslope end laps.
Side stitch at
end lap line and
at a maximum of
450mm centres
between
All end lap positions.
Fix one fastener through alternate
troughs of the profile at intermediate
supports positioned below the
Standard fix at intermediate positions upslope end lap
below first downslope end lap.
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Trisobuild® systems
Trisobuild® acoustic systems 53 Trisobuild® systems sound absorption Class
A
Acoustic performance is an increasingly important functional requirement for good The procedure for determining the sound Sound absorption is used to reduce noise The greater the absorption co-efficient, the
building design. Whether it is reducing noise levels within a factory environment or absorption coefficient of a construction for levels and improve the acoustics for different more the sound is absorbed in the structure.
eliminating nuisance from sound in residential areas, acoustic control is a significant airborne sound is described in standard purposes in different kinds of rooms, eg, ■ An absorption co-efficient of 0 means total
aspect of steel cladding design. In recognition of this, Tata Steel have conducted a BS EN ISO 354. the promotion of speech intelligibility in reflection of sound.
number of live acoustic tests. The results have produced a broad range of systems rooms such as meeting and conference
■ An absorption co-efficient of 1.0 means total
that meet sound reduction and sound absorption standards frequently specified by The way sound waves are reflected and rooms, auditoriums and classrooms, and the
absorption of sound. Co-efficients greater
industry today. This section illustrates some of the tested and modelled Trisobuild® absorbed will affect the overall noise level reduction of disturbing noise from machines
than 1.0 can be recorded due to the surface
systems available for both sound reduction and sound absorption. and the clarity of sound within the building. and equipment in office, healthcare and
area being greater than plan area. In these
Perforations within the systems liner will allow industrial buildings.
cases 1.0 is used.
sound absorption into the soft insulation layer
and reduce sound reflection.
Trisobuild® sound reduction (SRi) systems
SA1 & SA2 systems
The procedure for determining the insulation The sound reduction index (SRi) at different The weighted sound reduction index (Rw) is
of a construction against airborne sound is frequencies is plotted against each level of calculated by comparing the sixteen values Trisobuild® SA1 and SA2 systems are tested layer for the spacer system which in turn U-value table for each both SA1 and SA2
described in the standard BS EN ISO 10140-2. sound frequency and quoted in decibels (dB). of SRi from 100Hz to 3150Hz with a defined assemblies that provide excellent sound supports the external profile and allows systems based on slab depth of 50mm with
reference curve in accordance with BS EN ISO absorption. Both systems use the RL32 as their standard glass fibre quilt insulation to be varying quilt thickness (W/m2K).
Airborne noise may need to be considered for Generally, noise with a lower frequency is 717-1. This is then quoted as a single figure liner profile with the SA1 being trough added to fulfil the required U-value
the requirements of the building for either, more easily transmitted and the sound SRi rating. A construction with a higher SRi has a perforated and the SA2 being fully perforated, performance. Quilt Troughs unfilled Troughs filled
(mm) SA1 and SA2 SA1+ and SA2+
internal process noise breakout eg, factory in a figure at these levels is lower. better acoustic performance. see below.
100 0.26 0.23
residential area; or external noise break-in eg, The tested systems have all used a minimal
120 0.23 0.20
airport terminal buildings. The troughs of the liner can either be left 100mm layer of quilt, however increasing this
140 0.20 0.19
unfilled or stone wool trough fillers can be to meet lower insulation values will not reduce
180 0.17 0.16
used to enhance the performance the absorption figures quoted.
Trisobuild® built-up systems sound reduction predictions
U-values are based on secondary steelwork support at
SRi Weighted Values, Rw (dB) A stone wool slab of density 60Kg/m2 is used See opposite a table showing the calculated 1.8m centres,1.0m bracket spacing and insulation with
a 0.040 W/mK thermal conductivity.
Insulation and Internal LP1000 Liner (0.4mm Steel) Internal RL32 Liner (0.7mm Steel) above the liner with a vapour control layer laid U-values for various layers of quilt. The sound
cavity thickness
Glassfibre Stonefibre Glassfibre Stonefibre above this. A steel galvanised top hat stool reduction figures obtained from the systems
(mm)
Insulation Insulation Insulation Insulation creates support through this first insulation tests are shown on the next two pages.
(nom. 12.5kg/m³) (nom. 23kg/m³) (nom. 12.5kg/m³) (nom. 23kg/m³)
0.5mm External 0.7mm External 0.5mm External 0.7mm External 0.5mm External 0.7mm External 0.5mm External 0.7mm External
Profile Profile Profile Profile Profile Profile Profile Profile
120 36.8 38.3 37.8 39.2 39.0 40.2 39.8 40.9 Liner perforation options
140 37.0 38.5 38.2 39.5 39.1 40.3 40.1 41.1 RL32 liner, trough perforated RL32 liner, fully perforated
160 37.2 38.7 38.5 39.8 39.3 40.5 40.3 41.4 1000 Cover width
1000 Cover width
180 41.9 43.3 43.3 44.5 43.9 45.1 45.0 46.0 200 Pitch 27 200 Pitch 27
200 42.1 43.5 43.6 44.7 44.1 45.2 45.3 46.3 32
32
220 42.3 43.6 47.7 45.0 44.2 45.3 45.5 46.5 Colour Colour
side 127.5 side
127.5
240 46.3 47.6 48.0 49.1 48.2 49.3 49.6 50.5
260 46.5 47.8 48.3 49.3 48.4 49.4 49.8 50.7
280 46.6 47.9 48.5 49.6 48.5 49.5 50.0 50.9
300 46.8 48.1 48.8 49.8 48.6 49.7 50.3 51.1
320 47.0 48.2 49.0 50.0 48.8 49.8 50.5 51.3
340 47.2 48.4 49.3 50.2 48.9 49.9 50.7 51.5
360 47.3 48.5 49.5 50.5 49.1 50.0 50.9 51.7
380 47.5 48.7 49.8 50.7 49.2 50.2 51.1 51.9
400 47.7 48.8 50.0 50.9 49.3 50.3 51.3 52.1
For information on individual frequency ratings please contact the Technical Department for Tata Steel’s Building Systems UK. T: +44 (0) 1244 892199, E: technical.envelopeproducts@tatasteeleurope.com
The acoustic performance of the profiled metal cladding construction detailed above has been predicted using the 2019 version of the computer programme developed by Tata Steel.
CAUTION: The predicted SRI values should be used only to provide guidance for preliminary design and/or appraisal of cladding systems. Laboratory measurements should still be used to provide
definitive acoustic data.
Circular perforations within the trough of the liner profile only, Fully perforated metal providing perforations to the full width of the
providing an open area of 22%. liner profile, providing an open area of 46% and giving enhanced
performance.
14 T: +44 (0) 1244 892199 | wwww.tatasteelconstruction.com T: +44 (0) 1244 892199 | www.tatasteelconstruction.com 15
Trisobuild® systems
Trisobuild® sound absorption systems
The tested constructions are as drawn, deeper spacers and thicker layers Trisobuild® built-up system
Below are system drawings, descriptions and results for Frequency Sound absorption of glass fibre quilt can be used for lower U-value requirements, and would Frequency Sound absorption
laboratory tested sound absorption solutions. (Hz) αs αp not be expected to be detrimental to the acoustic performance. (Hz) Using 30mm Using 50mm
50 0.28 RW3 slab RW3 slab
63 0.57 0.45 αs αp αs αp
Trisobuild® SA1 Trisobuild® SA2 50 0.30 0.37
80 0.47
63 0.49 0.40 0.53 0.45
R32 0.7mm Colorcoat® 100mm glass fibre quilt, 100 0.74 R32 0.7mm Colorcoat® 100mm glass fibre quilt, 80 0.46 0.46
pre-finished steel external nominal density 12.5kg/m3, 125 0.94 0.95 pre-finished steel external nominal density 12.5kg/m3,
weathering profile λ = 0.040W/mk weathering profile λ = 0.040W/mk 100 0.72 0.84
160 1.10
125 0.97 0.90 1.00 0.95
200 1.06 160 0.97 1.05
250 1.24 1.00 200 1.16 1.11
315 1.11 250 1.07 1.00 1.13 1.00
400 1.06 315 1.10 1.10
500 1.09 1.00 400 1.09 1.09
630 1.09 500 1.05 1.00 1.01 1.00
800 1.09 630 1.10 1.07
800 1.02 1.02
1000 1.01 1.00
1000 1.04 1.00 1.06 1.00
1250 0.83
1250 1.08 1.07
1600 0.68
Vapour control layer Vapour control layer 1600 1.05 1.07
2000 0.61 0.65
2000 1.05 1.00 1.05 1.00
2500 0.63 2500 1.06 1.06
100mm Instaloc® 3150 0.66 100mm Instaloc® 3150 1.07 1.09
spacer system 4000 0.63 0.65 spacer system 4000 1.02 1.00 1.10 1.00
1.6mm top hat stub, 60mm 5000 0.69 1.6mm top hat stub, 60mm
5000 1.08 1.06
long and 85mm high long and 85 or 65mm high
50mm RW3 rock fibre slab tissue RL32 0.7mm trough, Single figure rating: αw = 0.75(LM), 50 or 30mm RW3 rock fibre slab RL32 liner, Rating according to BS EN ISO 11654:1997
faced to internal side, nominal perforated lining panel Sound absorption Class C. tissue faced to internal side, nominal fully perforated αw = 1.00
Sound absorption Class A.
density 60kg/m3, λ = 0.039W/mk density 60kg/m3, λ = 0.039W/mk
Fully perforated with 30mm slab and
no trough infills
Trisobuild® SA1+ Frequency Sound absorption Trisobuild® SA2+ Frequency Sound absorption
(Hz) αs αp (Hz) Using 30mm Using 50mm
R32 0.7mm Colorcoat® 100mm glass fibre quilt, 50 0.26 R32 0.7mm Colorcoat® 100mm glass fibre quilt, RW3 slab RW3 slab
pre-finished steel external nominal density 12.5kg/m3, pre-finished steel external nominal density 12.5kg/m3, αs αp αs αp
weathering profile λ = 0.040W/mk 63 0.65 0.50 weathering profile λ = 0.040W/mk
50 0.21 0.33
80 0.59
63 0.40 0.30 0.47 0.40
100 0.90
80 0.34 0.46
125 0.93 1.00
100 0.63 0.73
160 1.12
125 0.89 0.85 1.03 0.95
200 1.14 160 1.05 1.05
250 1.00 1.00 200 1.11 1.09
315 1.08 250 1.10 1.00 1.04 1.00
400 1.08 315 1.13 1.09
500 1.10 1.00 400 1.10 1.07
630 1.09 500 1.09 1.00 1.00 1.00
800 1.05 630 1.05 1.01
Vapour control layer Vapour control layer
800 1.02 1.02
1000 0.99 1.00
1000 0.99 1.00 0.98 1.00
1250 0.90
100mm Instaloc® 100mm Instaloc® 1250 1.02 0.98
1600 0.76
spacer system spacer system 1600 1.01 1.04
2000 0.71 0.75
1.6mm top hat stub, 60mm 1.6mm top hat stub, 60mm 2000 0.98 1.00 1.01 1.00
long and 85mm high 2500 0.72 long and 85 or 65mm high 2500 0.98 0.98
50mm RW3 rock fibre slab tissue RL32 0.7mm trough, 3150 0.74 50 or 30 mm RW3 rock fibre slab RL32 liner, 3150 1.04 1.00
faced to internal side, nominal perforated lining panel tissue faced to internal side, nominal fully perforated
4000 0.67 0.70 4000 1.01 1.00 1.01 1.00
density 60kg/m3, λ = 0.039W/mk density 60kg/m3, λ = 0.039W/mk
Rock fibre trough infill pieces tissue faced Rock fibre trough infill pieces tissue faced
5000 0.69 5000 1.02 1.00
to internal side (1,200mm long sections), to internal side (1,200mm long sections),
nominal density 45kg/m3, λ = 0.035W/mk) Single figure rating: αw = 1.00, nominal density 45kg/m3, λ = 0.035W/mk) Rating according to BS EN ISO 11654:1997
Sound absorption Class B. αw = 1.00
Sound absorption Class A.
16 T: +44 (0) 1244 892199 | wwww.tatasteelconstruction.com T: +44 (0) 1244 892199 | www.tatasteelconstruction.com 17
Trisobuild® systems
Trisobuild® wall systems Trisobuild® - Fire performance
Trisobuild® VW systems Approved Document B (fire safety) Reaction to fire performance Insurance requirements
The Trisobuild® VW system is a vertically run wall system that can Trisobuild® vertical wall system volume 2 of internal surfaces of walls and Trisobuild® systems can meet the requirements
provide an efficient and attractive look to the external cladding. The latest edition of Approved Document B ceilings of insurance based tests and are approved to
sets out the full regulations covering fire safety The approved document describes internal LPS 1181-1 by the Loss Prevention Council
The system provides the designer with an infinite number of
within and around non-domestic buildings. linings as the materials or products used in Board (LPCB).
combinations to create a unique aesthetic.
Listed below is a summary covering the main lining any partition, wall, ceiling or other
The capability of the systems can also allow the designer to specify building elements and levels of performance internal structure.
the correct performance for the building and elevation. With tested for the Trisobuild® systems. These are inline
Clause 6.1 of the Approved Document states
components the system provides a range of thermal, acoustic and and with the recommendations given in the
that the surface linings of walls and ceilings
fire resistance performance levels. Approved Document. For further information
should meet the classifications in Table 6.1.
on these or other aspects of fire design please
The adaptability of the system allows the designer to specify the Standard Colorcoat® PE 15 lining finishes used
contact our Technical Department.
correct performance for the building and elevation. within our Trisobuild® systems comply with all
criteria set out in table 6.1.
Resisting fire spread over external
Bracket Insulation U-value
height (mm) depth (mm) (W/m2K) walls
Resisting fire spread from one
The guidance in this section is designed to
140 140 0.30 building to another
reduce the risk of vertical fire spread as well as
160 160 0.26 The fire resistance of a wall depends on its
the risk of ignition from flames coming from
180 180 0.23 distance from the relevant boundary. This is in
adjacent buildings.
terms of the area of fire resistance needed to
200 200 0.21
When used as an external wall Trisobuild® the elevation and the resistance performance
220 220 0.19
systems using a Colorcoat HPS200 Ultra® as of those areas. Separation distances are
240 240 0.18
their external finish can be used where B s3 d2 measured to boundaries to ensure that the
260 260 0.16
or equivalent is required in accordance with location and design of buildings on adjoining
280 280 0.15 Table 12.1 (note 2) of the Approved Document sites have no influence on the building under
300 300 0.14 B (fire). This allows use in all building types construction. Trisobuild® FW systems on the
U-values are based on a LP1000 liner, secondary steelwork except for ‘Relevant buildings’ as defined in next page provide details of specification and
support at 1.5m centres, 1.2m bracket spacing and insulation
regulation 7(4). For buildings of this type performance levels.
with a 0.040W/mK thermal conductivity.
Colorcoat Prisma® should be used as the
external finish. External reaction to fire class(1)
Trisobuild® Colorcoat HPS200 Ultra® Colorcoat Prisma®
Trisobuild® HW systems
Trisobuild® horizontal wall system
Resisting fire spread over roof VW / HW
Can be used where B s3 d2 A1
The Trisobuild® HW system is a horizontally run external wall systems
coverings is required(2)
system that allows the secondary steelwork to remain horizontal
This deals with the roof of the building and its
with the spare and bar system spanning vertically between these (1) - Clause 12.5 The external surface (ie outermost external material) of external walls should
adequacy to resist the spread of fire over the comply with the provisions in Table 12.1.
rails.
roof and from one building to another. (2) - Table 12.1 (Note 2) - Profiled of flat steel sheet at least 0.5mm thick with an organic
The capability of the system the system has again been coating of no more than 0.2mm thickness is also acceptable (ref to Class B s3 d2).
The performance of the resistance of roofs to
comprehensively tested to provide a range of performances.
external fire exposure is measured in terms of External fire exposure to roofs
penetration through the roof construction and Trisobuild® Colorcoat HPS200 Ultra® Colorcoat Prisma®
Bracket Insulation U-value
the spread of flame over its surface. Roof VW / HW
height (mm) depth (mm) (W/m2K) BROOF(t4) (1)
systems
constructions are classified from a BROOF(t4) to
120 140 0.35
FROOF(t4) where BROOF(t4) indicates the highest (1) - Systems using Colorcoat Prisma® are defined in Commission Decision 2000/553/ EC of
140 140 0.30 6th September 2000, implementing Council Directive 89/106/EEC and can be considered to
performance.
fulfil all of the requirements for the performance characteristic ‘external fire performance’
160 160 0.26
without the need for testing.
180 180 0.23
200 200 0.21
U-values are based on a LP1000 liner, secondary steelwork
support and brackets at 1.5m centres, 1.5m vertical bar spacing
and insulation with a 0.040W/mK thermal conductivity.
LPS1181:1 Approved
460a, 14, 15, 19, 23 & 31
18 T: +44 (0) 1244 892199 | wwww.tatasteelconstruction.com T: +44 (0) 1244 892199 | www.tatasteelconstruction.com 19Trisobuild® systems
Trisobuild® vertical fire wall systems Trisobuild® horizontal fire wall systems
Trisobuild® FW15V SA 15 Trisobuild® FW15H 15
160mm of glass fibre quilt, nominal density The fire performance does
RL32 0.7mm steel trough Tata Steel external profile, Integrity Insulation 12.5kg/m3 (max. λ = 0.040W/mK) not require side stitching to Integrity Insulation
perforated lining panel side laps to be stitched at the external lap - See note on
450mm centres 240 minutes 15 minutes aesthetics on page 46 240 minutes 15 minutes
1.6mm top hat stub, 60mm
long and 60mm high
Minimum 140mm
Minimum 150mm
Platinum® Plus approved
Instaloc® Plus spacer
spacer system
system
30mm RW5 Rockwool slab tissue
faced to internal side, nominal
density 100kg/m3 150mm stone fibre
quilt, nominal density
Vapour control layer 24kg/m3 Tata Steel internal liner profile
Trisobuild® FW30V 30 Trisobuild® FW30H 30
160mm of stone fibre quilt, nominal density The fire performance does
160mm of glass fibre quilt, nominal density The fire performance does 24kg/m3 (max. λ = 0.040W/mK) not require side stitching to
Integrity Insulation Integrity Insulation
12.5kg/m3 (max. λ = 0.040W/mK) not require side stitching to the external lap - See note on
the external lap - See note on 240 minutes 30 minutes aesthetics on page 46 240 minutes 30 minutes
aesthetics on page 46
Minimum 140mm
Minimum 140mm
Platinum® Plus approved
Instaloc® Plus spacer
spacer system
system
Tata Steel internal liner profile
Tata Steel internal liner profile
Trisobuild® FW60V 60 Trisobuild® FW60H 60
200mm of stone fibre quilt, nominal density The fire performance does 200mm of stone fibre quilt, nominal density
24kg/m3 (max. λ = 0.040W/mK) not require side stitching to The fire performance does
Integrity Insulation 24kg/m3 (max. λ = 0.040W/mK) Integrity Insulation
the external lap - See note on not require side stitching to
aesthetics on page 46 240 minutes 60 minutes the external lap - See note on 240 minutes 60 minutes
aesthetics on page 46
Minimum 180mm Minimum 180mm
Instaloc® Plus spacer Platinum® Plus approved
system spacer system
Tata Steel internal liner profile All fire wall systems have a All fire wall systems have a
maximum span between Tata Steel internal liner profile maximum span between
supports of 2m. supports of 2m.
Vertical sections Vertical sections
20 T: +44 (0) 1244 892199 | wwww.tatasteelconstruction.com T: +44 (0) 1244 892199 | www.tatasteelconstruction.com 21Trisobuild® systems
Trinsul® system Colorcoat® products and services
Trisobuild® systems are supplied with Colorcoat® pre-finished
steel for the external and internal skin so that we can provide
The Trinsul® system is a site assembled composite
cladding system, offering the performance of a the very highest quality and service to our customers.
composite panel plus the flexibility and ease of
handling of standard single skin profiles. Colorcoat® products and services
The core of the system uses high-density rock fibre insulation, providing The Colorcoat® brand provides the recognised mark of quality and
superb fire and acoustic properties, profiled to ensure there are no voids metal envelope expertise exclusively from Tata Steel. For 50 years
between the outer sheets and lining panel. Tata Steel has developed a range of technically leading Colorcoat®
pre-finished steel products which have been comprehensively tested
This also reduces cold bridging and makes the system highly resistant to and manufactured to the highest quality standards. Colorcoat® products
condensation. manufactured in the UK are certified to BES 6001 Responsible Sourcing
The Trinsul® system offers a highly consistent insulation performance standard and fully REACH compliant and free of chromates, including
and flexibility to offer a wide range of U-values. hexavalent chrome.
Colorcoat HPS200 Ultra®
System options Thermal performance Designed to withstand aggressive environments Colorcoat HPS200
The Trinsul® system is available in the following standard combinations The tables below indicate the U-values when calculated at 1.8m purlin Ultra® combines outstanding performance with exceptional durability
Colorcoat® High Reflect
of profile and liner, making use of standard load/span tables. centres. to provide long-term integrity for the building envelope. Making it the
In addition to the standard liner, we also offer the Colorcoat® High
first choice for aggressive internal and external applications. For more
The profiled insulation core is available in medium dense and dense These values have been computer modelled in accordance with Reflect as an option.
information visit www.colorcoat-online.com/ultra
rock fibre. EN ISO 10211. Key benefits include:
Key benefits include:
The core thickness is the distance between the bottom face of the ■ ≥ 85% reflectance, reducing the amount of energy required to
1000 Cover width ■ 40 standard colours in solid and matt shades.
external steel and the top face of the internal steel, as shown in the achieve the same level of lighting.
200 Pitch 127.5 27
R32 ext. profile diagram opposite. ■ Surpasses requirements of RUV4 and RC5 as per EN 10169
32 ■ Possible energy savings of up to 12% per year.
0.7mm steel proving outstanding colour retention and corrosion resistance.
U-values for R32 external profile, medium ■ Significantly reduces CO2 emissions by 2-3% per year, helping you to
Profiled rock ■ Optimised Galvalloy® metallic coating for exceptional corrosion
fibre slab
Core depth dense rock fibre slab, RL32 liner achieve compliance with tightening regulations.
resistance and cut edge protection.
Core Core Typical System
RL32 liner panel
0.7mm steel
32 thickness type U-value weight ■ Scintilla® embossed as a mark of authenticity from Tata Steel. Confidex® Guarantee for up to 40 years
(mm) (W/m²K) (kg/m²)
200 Pitch 127.5 27 Offers the most comprehensive pre-finished steel guarantee for the
■ Repertoire® colour matching service for solid colours with a minimum
93 Medium 0.30 22.53 weatherside of industrial and commercial buildings in Europe.
dense order quantity of 5000m2.
Confidex® is project specific and upon online registration, is offered
Fire resistance 118 Medium 0.25 24.90 ■ Exceeds requirements of CPI5 as per EN 10169:2010 demonstrating directly to the building owner with no inspection or maintenance to
Trinsul® systems offer Grade EXT-B and EXT-A60 approval by the LPCB dense
excellent barrier properties when used internally. maintain its validity.
together with approved fire resistance performance of up to 120
168 Medium 0.19 29.15 Can include cover for the pre-finished steel that is under photovoltaic
minutes insulation and 4 hours integrity.
dense
Colorcoat Prisma®
(PV) frame modules, providing the building owner with the confidence
The latest generation pre-finished steel product, three layer Colorcoat
The fire performance depends on the depth and density of rock fibre that installing a PV array will not have a detrimental effect on the
Prisma® utilises cutting-edge clear coat technology to provide an
core selected, and is valid from either direction for all combinations U-values for R32 external profile, dense rock performance of the roof and that the whole roof is guaranteed to
optimised pre-finished steel product that pushes the boundaries of UV
of core and profile specification. fibre slab, RL32 liner perform for the same duration of up to 40 years.
and corrosion performance. Enabling a wide range of contemporary
Core Core Typical System aesthetic colours, that are truly built to last. For more information visit For more information about Colorcoat® products and services call the
Medium dense core (85kg/m³ rock fibre slab) thickness type U-value weight
www.colorcoat-online.com/prisma Colorcoat Connection® helpline on T: +44 (0) 1244 892434.
Fire insulation Fire integrity Minimum core (mm) (W/m²K) (kg/m²)
(minutes) (minutes) depth (mm)
128 Dense 0.26 33.67 Key benefits include: Confidex® provides a direct guarantee from Tata steel
60 240 80 ■ Wide range of standard colours including, natural metal colours,
168 Dense 0.20 39.27
metallics, matts and metallic matts.
Alternative slab thicknesses and profile options ■ Surpasses requirements of RUV4 and RC5 as per EN 10169 proving
Dense core (140kg/m³ rock fibre slab)
are available on request. outstanding colour retention and corrosion resistance.
Fire insulation Fire integrity Minimum core
(minutes) (minutes) depth (mm)
■ Optimised Galvalloy® metallic coating for ultimate corrosion Building owner
120 120 120 resistance and cut edge performance. Main contractor
■ Repertoire® colour matching service for solid colours with a minimum
um Cladding contractor
order quantity of 5000m2.
System manufacturer
22 T: +44 (0) 1244 892199 | wwww.tatasteelconstruction.com T: +44 (0) 1244 892199 | www.tatasteelconstruction.com 23Trisobuild® systems
Quality Assurance Site guidance
Management Importance of gauge This guide assumes that all There are two recommended methods for Pre-erection checks
To provide the best quality service, Tata Steel Responsible Sourcing Standard for All the above mentioned controls over quality current safety regulations offloading: A secondary support structure is necessary to
is quality assured to Quality Management construction products. We are also the world’s and material sourcing guarantee that the are in place before the ■ Forklift or telehandler (on-site plant): support the cladding system at the required
standard BS ISO 9001:2015. This management first steel company to be approved to operate strength and gauge of steel supplied by Tata installers commence work. These can be used when offloading profile positions and transfer all loads imposed
process puts quality at the heart of our an Environmental Product Declaration Steel are within the European tolerances. on and by the cladding system back to the
packs less than 6m long. Care must be
business. Tata Steel’s culture and the programme. This means that we are now able Packaging primary structure.
The gauge of the pre-finished steel coil or taken not to tip or damage the pack when
employment of quality control specialists that to provide the market with third-party verified,
sheet plays a vital role in the physical Packaging for the Trisobuild® systems driving on uneven ground. Only one pack
operate and police these policies ensure product-specific EPDs for our construction Before any work starts, a full survey or
properties of the roof and wall cladding external and liner profiles use loose timber at a time should be unloaded. Open forks
consistently high standards. products and the systems they become part inspection should be carried out to ensure
system of which it is a part. The gauge of the packers, with the sheets banded together. fully before lifting.
of. This along with BES 6001 responsible that the support steelwork and any other
product can affect the safe span/load figures, Edge protectors are used in the location of
Environment sourcing certification, assists our construction
the banding to prevent edge damage. An
■ Crane: Where slings or grabs are used, associated materials are in the correct
the ability to resist concentrated loads, the
Tata Steel has a dedicated policy towards our supply chains to accrue points under building precautions should be taken to prevent positions and are within tolerance so that
systems non-fragility classification, visual additional sheet of the same profile is used
surrounding environment, our energy use and certification schemes, such as LEED and edge damage and to avoid pressure the Trisobuild® systems can be fixed correctly.
appearance, and even the reaction to fire as the top sheet of each pack, to help protect
management and control of our waste, shown BREEAM, on their projects. across the profile width, which may cause Any obvious problems should be reported
performance. the sheets below from scratching during
and managed through our certification to the distortion (chains should not be used). immediately to the main contractor to enable
transportation. The sheets are supplied in a
environmental standard BS EN ISO The actual gauge of a pre-finished steel When lifting packs over 8m long, a spreader remedial work to be undertaken before
maximum pack weight of 1,500kg.
14001:2015. product is measured using a micrometer and bar with sufficient hoisting belts to spread installation of the cladding.
includes the steel substrate and metallic the load should be used. If required,
Receipt of materials on-site
Present and future impact coatings, but excludes the paint and primer temporary edge protection can be installed Tata Steel recommendation for the allowable
All materials arriving on-site must be checked
Part of managing risk is thinking about how a layers. The only accurate way to carry this out to prevent local damage. Only one pack at variation in the top flange level of the purlin
promptly before offloading. Checks should
building will perform in 30 or 50 years’ time, CE Marking is to actually remove the paint coatings from a time should be offloaded. with respect to a datum line running parallel
be made against the relevant delivery notes
when the unpredictability in our climate could Tata Steel’s cladding profiles are fully the area to be measured, prior to to the rafter is L/200 (where L is the purlin
to ensure that the correct quantities and
be more extreme than it is now. Sourcing raw compliant with the regulations. measurement as shown below. Storage spacing). For wall cladding the vertical datum
specifications have been delivered and
materials and using them responsibly is a part In addition to the guidelines below, the should be within L/400 for vertical cladding
The Regulations are legally binding across the to determine any possible transportation
of designing resiliency into our built bundles should be stored on level ground eg and L/600 for horizontal cladding.
European Union (EU). Roof and wall cladding damage. Any discrepancies or damage
environment, protecting building users from a floor slab. The packs should be stacked no Further guidance on steelwork tolerance
sheets are covered by BS EN 14782. This observed should be recorded immediately on
the effects of changing climate, and reducing more than three packs high, supports between is found in the Steel Construction Institute
ensures the performance of cladding sheets the proof of delivery paperwork, and a written
our impact on our surroundings. packs should be kept in line and be at no more publication P346: Best Practice for the
are described in accordance with defined report should be submitted within 14 days.
than 1.25m centres. There should be adequate specification in installation of metal cladding
As such our products and services have standards to allow direct comparison. Please note that offloading is the customer’s
separation between stacks to provide access and secondary steelwork.
achieved certification to BES 6001, the responsibility.
and to avoid end damage.
Offloading Handling
Storage guidelines When lifting individual profiles from the pack
Wherever possible, the profile packs should
Key Do not stand uncovered stacks in the open. Store they should be lifted vertically without sliding,
be offloaded directly from the vehicle to under cover and away from open doorways.
Topcoat Pre-treatment Substrate to avoid the risk of surface scratching to profile
the area where they will be used to reduce
Primer Metallic coating Backing coat If stacks cannot be stored under cover, erect a simple face below.
the risk of on-site damage. Offloading scaffold around them and cover it with a waterproof
is to be undertaken as per Tata Steel sheet, tarpaulin or polythene. Leave space between
recommendations. If product is not to be the cover and stacks to allow air to circulate. Due to the lightweight nature of the individual
installed shortly after its offload, the profile Store stacks off the ground and on a slope, so that if components used within the Trisobuild®
packs must be stored on level ground (in rain penetrates the cover, the water will drain away. systems mechanical handling is not normally
accordance with storage instructions below). Inspect the storage site regularly to ensure that required, and profiles can be positioned
moisture has not penetrated the stack. manually. However extra caution should be
Tata Steel can offer an offloading service, if
requested prior to delivery. Do not store sheets where people will walk across taken when using a 0.4mm liner and lengths
them. should be limited to 5m.
Cutting
For all cuts we recommend using a nibbler.
A grinding blade should not be used, as this
London Victoria Station hot cut will damage the coating. All cutting,
Client: Network Rail wherever possible, should be undertaken at
Main contractor: May Gurney ground level. Where it is not possible to
Design engineer: WSP protect the site cut edge from weathering by
Tata Steel products: Trisobuild® R46 and PM13 profiles a cover flashing, they should be treated with
Colorcoat® product: Colorcoat HPS200 Ultra® a suitable edge protection paint or lacquer.
24 T: +44 (0) 1244 892199 | wwww.tatasteelconstruction.com T: +44 (0) 1244 892199 | www.tatasteelconstruction.com 25You can also read
