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Building Envelope Urban Seam® Façade

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Urban Seam® Façade

Limited combustibility wall system suitable for use on buildings over 18m tall.

Tata Steel has taken its non-combustible Urban Seam® cladding sheet and incorporated it into a façade system comprising products that are classified as A1 or A2-s1,d0 and therefore meet the requirement of the latest Building Regulations.

Fully supported standing seam cladding systems are typically supported by and fixed back to continuous plywood or OSB backing board. In the Urban Seam® Façade system the combustible backing board has been replaced by a non-combustible profiled steel deck. The lightweight profiled steel deck is fixed back to a helping hand rail and bracket system which in turn is fixed back to a typical steel frame system.

The system has been independently verified by full scale CWCT testing for wind resistance, water tightness and hard & soft body impacts and also includes British Board of Agrement Approval for Colorcoat Prisma®.

Made in the UK

Manufactured in Shotton, North Wales, Urban Seam® standing seam façade system consists of an A1 rated Colorcoat Prisma® pre-finished steel fixed to a Trisobuild® D32s carrier sheet. This construction makes the system ideal for multi-occupancy apartments, student accommodation, hotels, and mixed use buildings. It also future proofs the cladding element from changes in building regulations.  The Colorcoat Prisma® finish provides a stunning, but robust, aesthetic finish, with a contemporary colour palette. Quick build times are possible with neat crisp finishes to complement design and build choices.

Product benefits:

  • A1 Reaction to fire Classification for Colorcoat Prisma® and Trisobuild® D32s carrier profile tested to EN13501-1: 2002
  • Full scale CWCT testing for wind resistance, water tightness and hard & soft body impacts.
  • Quick fit system with invisible fixings, reduces installation time on site compared with traditional cladding products.
  • Contemporary colour range offering complete design flexibility with complementary colours and natural metal shades
  • Robust Confidex® Guarantee for up to 40 years upon registration which includes a colour guarantee for standard colours.
  • BRE Green Guide A+ rated product, and 100% recyclable at end of life.
  • Revolutionary 3 layer coating technology, providing enhanced aesthetics and long term performance and durability.
  • Independently tested for liberation of volatile organic compounds (VOC) against EN ISO 16000-9 and achieved an A+ rating.
  • Fully REACH compliant & free of chromates including hexavalent chrome.
  • Made in the UK. Certified to BES 6001 Responsible Sourcing Standard.

Looking for help and advice with your designs?

The Colorcoat Urban® team of experts are available to offer the support you need and provide you with more detailed information on our Urban Seam® Facade. We have robust design drawings for the cladding detailing, including window detailing with respect to fire protection. 

Whether you are looking for a more detailed drawing or a copy of our specification guide contact the team on +44 (0) 1244 892449 or E: colorcoaturban@tatasteeleurope.com.

Trisobuild D32s carrier 0.7mm profiled sheet

Load span table - uniformly distributed loads (kN/m2):

 

Span condition

Span (m)
   

0.6

0.8

1.0

1.2

1.4

1.6

1.8

Imposed

Single

8.09

8.09

7.28

5.12

3.20

2.12

1.47

Imposed

Double

5.17

5.17

4.47

3.45

2.75

2.25

1.87

Imposed

Multi

6.08

6.08

5.27

4.08

3.27

2.68

2.25

Suction

Single

8.18

8.18

6.63

4.62

3.41

2.62

1.93

Suction

Double

10.51

10.51

8.52

5.93

4.37

3.35

2.66

Suction

Multi

12.75

12.75

10.34

7.19

5.30

4.06

3.22

Pull out strengths:

Steel thickness (mm)

Ultimate pull out strength (kN)

Serviceability pull out strength (kN)

0.7

0.755 kN

0.378

Maximum recommended fixing centres for the Urban Seam® sheet based on serviceability pull out strength:

Panel width (mm)

Fixing centres (mm)

Maximum suction load (kN/m²)

514

180

4.08
514

240

3.06
514

300

2.45
514

360

2.04

305

180

6.88
305

240

5.16
305

300

4.13
305

360

3.44

Thermal properties:

Wall build up

Wall 1

Wall 2

Wall 3

Outer profile

0.7mm steel

0.7mm steel

0.7mm steel

Backing profile

0.7mm steel

0.7mm steel

0.7mm steel

Sheathing board

12mm

12mm

12mm

Vented cavity

50mm

50mm

50mm

Insulation

60mm mineral wool

100mm mineral wool

160mm mineral wool

Sheathing board

12mm

12mm

12mm

Insulation within steel frame

250mm mineral wool

250mm mineral wool

250mm mineral wool

Lining

2 x 12.5mm plasterboard

2 x 12.5mm plasterboard

2 x 12.5mm plasterboard

Finish

3mm gypsum plaster

3mm gypsum plaster

3mm gypsum plaster

U value (W/m2K)

0.21

0.18

0.15

Urban Seam® is manufactured from Colorcoat Prisma® which uses a 3 layer coating technology to provide the best possible colour protection (from fade) on the market, and has undergone rigorous testing for its resistance to corrosion and uv fade.  The 3 layer process has enabled us to supply different colours – matter ‘matts’ and more sparkly ‘metallics’.  The new metallic colour names have been named with the prefix ‘Seren’ to give a nod to their Welsh heritage.

Our hand samples can assist in colour selection and finalising product specification.

Order samples online for Colorcoat Urban®

Click here to choose your Colorcoat Urban® colour to samples.

Alternatively, contact the Colorcoat Urban® team on +44 (0) 1244 892449.

For over 25 years the Confidex® Guarantee from Tata Steel has remained best in class.

Confidex® is the product performance guarantee for Colorcoat Prisma® which is used to manufacture the Urban Seam profile. It offers the longest and most comprehensive guarantee for pre-finished steel available in Europe with Colorcoat Prisma® being guaranteed for up to 40 years.

The Confidex® Guarantee is project specific and upon registration provides a contractual relationship between Tata Steel and the building owner meaning that in the case of a claim the contact with Tata Steel is direct rather than having to go through the supply chain, saving time and money.

Due to the superior aesthetic properties of Colorcoat Prisma® a colour guarantee is uniquely included as part of the Confidex® Guarantee for up to 20 years (see terms and conditions). This includes all 29 standard colours in the range, subject to location and use.

The Confidex® Guarantee is transferable, so should the building owner change it is simply a case of filling in the form on the back of the guarantee certificate and posting back to Tata Steel.

Find out more


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