Technical Statement
Product Description
Legacy™ offers a standing seam roofing style of profile without the need of a supporting plywood
substrate. The slightly trapezoidal rib profile and 500 mm cover offers efficiency in installation.
Legacy™ can be installed up to Extra High Wind Zone with no additional Specific Engineering Design,
swages in the pan and plywood support required.
Available in metallic coated and pre-painted steel in .55mm BMT (base metal thickness).
For full technical drawings in REVIT, DWG and PDF: https://steelandtube.co.nz/bimspec/hirib
Scope of use
Legacy™ is a concealed clip fixed trough section roof
and wall cladding suitable for:
• Roof cladding down to a minimum pitch of 3°
• Vertical wall cladding installed over a drained cavity
Use outside of the stated scope of use is subject to
Special Design in consultation with Steel & Tube.
An architectural feature of this profile are the undulations in the wide flat pan, which can be expected in this type of roof profile. In some situations indentations caused by the fixing clips or purlins may be noticeable although this will become less apparent with weathering over time.
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 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.
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.
An architectural feature of this profile are the undulations in the wide flat pan, which can be expected in this
type of roof profile. In some situations indentations caused by the fixing clips or purlins may be noticeable although
this will become less apparent with weathering over time.
Quality Assurance
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ISO 9001 (Quality Management) |
Relationships
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New Zealand Made |
