Technical Statement
Product Description
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 EZI-FLO™ Downpipes features refined and attractive styling combined with easy installation.
Roofing Industries EZI-FLO™ Downpipes comes in the following:
• RI 100mm Downpipe
• RI 80mm Downpipe
• RI 65mm Downpipe
Supplied in both Round and Rectangular shapes in various lengths, EZI-FLO™ Downpipes are manufactured using an extensive range of metal substrates and surface finishes, including Colorcote® and Colorsteel® to suit modern building design require-ments.
Stock lengths are 3400mm however other lengths can me manufactured subject to building regulation and material availability
• RI Rectangle 100 x 55mm
• RI Rectangle 75 x 55mm
A full range of matching accessories is available including, downpipe brackets and fasteners.
APPLICATIONS
• Residential
• Rural and lifestyle
• Industrial and commercial
Scope of use
Roofing Industries EZI-FLO™ gutter systems for buildings constructed within the scope of:
• AS/NZS3500.3
• MRM (MRM Code of Practice)
• SA HB 39 Installation code for metal roof and wall cladding
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, B1.3.4, B1.3.5, B1.3.6, B1.3.7
- Clause E1 Surface water: Performance E1.3.1, E1.3.2, E1.3.3, E1.3.3(a), E1.3.3(b), E1.3.3(c), E1.3.3(d), E1.3.3(e), E1.3.3(f)
Evidence
The product meets the requirements set out in the following documents, or relevant parts of cited standards within the documents:
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
Supporting evidence
The product has and can make available the following additional evidence to support the above statements:
Use in Service History
Roofing Industries EZI-FLO™ Downpipes
Test information available for our coil supplied by NZ Steel (COLORSTEEL) and Pacific Coilcoaters (COLORCOTE) and past history of in-service use of metal long run roof and wall cladding within New Zealand.
Product Criteria
Design requirements
For fixings, refer to the Roofing Industries EZI-FLO™ Rainwater System which is to be read in connection with NZ Metal Roof and Wall Cladding Code of Practice.
The substrate and coating system must be as recommended by COLORCOTE or COLORSTEEL for the environmental conditions at the intended building location and as specified in E2/AS1 Table 20.
Installation requirements
For full Installation requirements refer to:
• MRM - COP
• NZBC Acceptable Solutions
• RANZ
Materials in contact with Ezi-Flo™ Downpipes must be compatible as specified in E2/AS1 Table 21.
Maintenance requirements
Regular maintenance will extend the life of Roofing Industries EZI-FLO™ Downpipe and associated accessories.
• Maintenance guides are available from Roofing Industries or can be downloaded from either NZ Steel (COLORSTEEL) or Pacific Coilcoaters (COLORCOTE) website. 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 build-up of salt deposits and/or other contaminants when identified.
• Please consult with your local distributor when considering over painting to ensure correct procedures are followed.
Environmental
COLORCOTE and COLORSTEEL 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 COLORCOTE and COLORSTEEL 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
Roofing Industries recently completed and achieved GreenTagCertTM GreenRate Level A certification for our roll-Formed Metal Roofing, Cladding, Flashing and Rainwater Systems using COLORCOTE.
Relationships
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Member of New Zealand Green Building Council |
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New Zealand Made |
