Technical Statement
Product Description
Scope of use
ST963 is suitable for a wide range of end uses including roof and wall cladding, ceilings and linings. For applications requiring compliance with NZBC Clause E2, the minimum pitch is 3°.
ST963 can be spring curved in .55mm thickness G550 steel
to a minimum radius of 120 metres.
ST963 is available in translucent clear sheeting (GRP) in matching profile. Translucent natural lighting roofing can also be supplied to control condensation and heat build up and is available in trafficable, non-trafficable and fire rated configurations.
New Zealand Building Code (NZBC)
The product will, if employed in accordance with the supplier's installation and maintenance requirements, assist with meeting the following provisions of the building code:
- Clause B1 Structure: Performance B1.3.3(a), B1.3.3(b), B1.3.3(g), B1.3.3(h)
- Clause B2 Durability: Performance B2.3.1(b), B2.3.1(c)
- Clause C3 Fire affecting areas beyond the fire source: Performance C3.9
- Clause E2 External moisture: Performance E2.3.1, E2.3.2
- Clause G10 Piped services: Performance G10.3.5
- Clause G12 Water supplies: Performance G12.3.2
Notes
C Fire: Colorsteel® Maxx® is rated as a Group 1-S material and has an average specific extinction area of 107.0m2/kg, a peak heat release rate of 15.3 kW/m2 and total heat released of 0.44 MJ/m2 when tested in accordance with ISO 5660:2002 Part 1 and Part 2.
Colorsteel® Endura® is rated as a Group 1-S material and has an average specific extinction area of 132.2m2/kg, a peak heat release rate of 16.0 kW/m2 and total heat released of 0.54 MJ/m2 when tested in accordance with ISO 5660:2002 Part 1 and Part 2.
G12 Drinking Water: Colorsteel® Maxx® and Colorsteel® Endura® samples tested in accordance with AS/NZS 4020:2005 passed the requirements for products in contact with drinking water.
Evidence
The product meets the requirements set out in the following documents, or relevant parts of cited standards within the documents:
COLORSTEEL Fire Testing Bulletin
COLORSTEEL Endura PTS
COLORSTEEL Maxx PTS
COLORSTEEL Dridex PTS
COLORSTEEL Dridex+ PTS
Supporting evidence
The product has and can make available the following additional evidence to support the above statements:
Product Criteria
Design requirements
To comply with the performance clause of NZBC clause E2 roof cladding to be installed in accordance with (1) acceptable solution E2/AS1 (2) NZMRM Code of Practice and (4) S&T specifications. (3) S&T Details and available on ‘www.steelandtube.co.nz’, (4) S&T specifications.
Roof cladding to be installed in accordance with acceptable solution E2:AS1 clause 8.4.6 Structure and table 11&12 for the wind zone at the specific site location. For additional information refer to NZMRM Code of Practice section 3.16 Maximum span and fastener requirements.
Quality Assurance
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ISO 9001 (Quality Management) |
Relationships
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New Zealand Made |
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Environmental Choice New Zealand |
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Eco Choice Aotearoa
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Date last validated:
17 June 2024 |
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Date last updated:
17 June 2024 |