Roofing Industries Corrugate
Product Technical Statement: 102549
Corrugate available in a wide range of base metal substrates in pre-paint colorcote, colorsteel
||Level of assurance needed to demonstrate NZ Building Code Compliance
Supporting documentation should include technical information by manufacturer and either an independent assessment or reference to an industry-based scheme
||Roofing Industries confirms that this minimum level of assurance has been met or exceeded by the following:
New Zealand Metal Roofing Manufacturers Association Inc (NZMRM)
Code of Practice
Corrugate remains an ageless icon, and as a cost competitive and trend setting roofing and cladding material continues to gain in popularity. Corrugate offers a stylish alternative to today’s building designers and homeowners alike, allowing creative flair and individuality during the design process.
Roofing Industries Corrugate is a classic corrugated profile roofing and cladding material, available in a wide range of metal substrates and surface finishes including galvanised, Zincalume, Aluminium-zinc-magnesium, Aluminium, Stainless Steel, Colorcote and Colorsteel (.40mm BMT and .55 mm BMT) or aluminium (.70 mm BMT and .90 mm BMT).
Corrugate is available in either standard 762 mm wide or 995 mm
wide sheets, supplied in a wide range
of design options, including curving, and is also available in glass
reinforced, poly-carbonate and PVC.
A full range of matching accessories is available including ridging, flashing's, underlays, fasteners and rainwater systems.
Scope of use
Corrugate is a roof and wall cladding for non-specifically designed timber framed buildings designed and constructed in accordance with B1/AS1, NZS 3604 and E2/AS1, non-specifically designed steel framed buildings to NASH 3405, and specifically designed buildings in accordance with B1/VM1 and AS/NZS 1170.
When used as a roof cladding:
- Corrugate may be used with a minimum roof gradient of 8 degrees
When used as a wall cladding:
- Corrugate may be fixed vertically directly to wall framing where the Risk Score is 0-20
- When fixed
horizontally, Corrugate must be fixed over a nominal 20mm drained cavity where
the Risk Score is 0-20.
- Specific design is
required where the Risk Score is greater than 20,
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 B1.3.1, B1.3.2, B1.3.3, B1.3.3(a)
- Clause B2 Durability: Performance B2.3.1(b)
- Clause C3 Fire affecting areas beyond the fire source: Performance C3.7, C3.7(a)
- Clause E2 External moisture: Performance E2.3.1, E2.3.2
- Clause F2 Hazardous building materials: Performance F2.3.1
product will, when installed using the details in the Corrugate Profile
Technical Summary, meet the following provisions of the building code:
B1 Structure: Performance B1.3.1; B1.3.2; B1.3.3 for the relevant physical
conditions of a) self-weight, b) imposed gravity loads arising from use, (c) temperature,
(f) earthquake, g (snow) and h) wind; B1.3.4
B2 Durability: Performance B2.3.1(b); B2.3.2
C3 Fire Affecting Areas Beyond the Fire Source: Performance C3.7 Corrugate is non-combustible and
contributes to C3.7a)
E2 External moisture: Performance
E2.3.1, E2.3.2 Corrugate complies with E2/AS1
Hazardous Building Material: Performance F2.3.1
The product meets the requirements set out in the following documents, or relevant parts of cited standards within the documents:
product meets the requirements set out in the following documents, or relevant
parts of cited standards within the documents:
Solution for External Moisture E2/AS1
Method for Structure B1/VM1
Metal Roof and Wall Cladding Code of Practice
- Version 2.2/2012 MRM Code of Practice ·
- Tested for wind
loads to AS4040.3: 1992 Methods of testing sheet roof and wall cladding
Resistance to wind pressures for cyclone regions AS4040.2: 1992 Methods of testing sheet roof and wall cladding
Resistance to wind pressures for non-cyclone regions.
The product has and can make available the following additional evidence to support the above statements:
||New Zealand Metal Roofing Manufacturers Association Inc (NZMRM)
Code of Practice
Refer to Roofing
Industries Corrugate Profile Technical Summary for tables of maximum spans
(intermediate and end) for each wind zone.
Selection of the
correct grade of material and appropriate surface coating is imperative to
ensure that Corrugate performs satisfactorily in the environment it is to be
installed in and to meet the requirements of the NZBC.
manufactured from Zincalume, aluminium-zinc-magnesium and galvanised steel with
Colorcote or Colorsteel pre-painted finishes using all the latest coating
technology to AS/NZS 2728.
Roofing Industries for environmental categories and surface coating literature
for selection of material and surface coating suitable for the environment where
the roof or wall cladding is to be located.
contact with Corrugate must be compatible as specified in E2/AS1 Table 21.
maintenance will extend the life of Corrugate and associated accessories.
Maintenance guides are available from Roofing
Industries or can be downloaded from either NZ Steel or Pacific Coilcoaters
Guide to regular maintenance:
- Inspect the roof,
including fasteners, and repair any damage every 6 months.Wash areas not
receiving regular rain washing with fresh water at least every 3 – 6 months.
- Remove debris from
gutters every 3 - 6 months.
- Remove any
noticeable buildup of salt deposits and/or other contaminants when identified.
- Please consult with
your local distributor when considering over painting to ensure correct
procedures are undertaken.
Colorcote pre-painted steel has been extensively tested and proven in some of
New Zealand's most extreme UV, wind, rain, snow and ice environments.
All Colorsteel and
Colorcote is factory painted at either NZ Steel, Glenbrook or Pacific Coilcoaters,
Penrose. Both plants operate within strict environmental controls.
Environmental category literature available by
request or the roof.co.nz website, or by
contacting Roofing Industries, technical helpline 0800 844 822
||New Zealand Made
||Date last validated: 07 April 2017
||Date last updated: 07 April 2017
The Product Technical Statement (PTS) template is copyright to Construction Information Limited. However the content of this PTS is the responsibility of the product manufacturer/supplier.
Refer to the miproducts Terms and Conditions
Manufacturers and suppliers of Zincalume, Colorcote, Colorsteel, Aluminium, Stainless Steel, Copper, Zinc, and ZAM roofing and cladding products,and related accessories
||True Oak Corrugate