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COLORSTEEL ENDURA® consists of a ZINCALUME® steel substrate to which a multi coated paint system is applied. The system is designed to provide protection against corrosion in areas where moderate to severe environmental conditions are experienced.

The COLORSTEEL® paint system will exceed the service life of most traditional post painted systems.

Key Features
  • A 3-layer organic coating consisting of an anti-corrosive and bonding pre-treatment layer, an anti-corrosive primer and a top coat, applied to both sides of the material.
  • COLORSTEEL® paint technology provides exceptional resistance to chalking and fade
  • Receives Environmental Choice Certification
  • Environmental Product Declaration available
  • Available in a range of colours and profiles to suit any home or building
  • Available with COLORSTEEL Matte option — see Matte listing
Eco Choice Aotearoa (ECNZ) Licensed
Eco Choice Aotearoa
Homestar / Green Star (Envirospec) Compliant
Homestar / Green Star
NZ Made
NZ Made
Scope of Use
  • COLORSTEEL ENDURA product is suitable for a wide range of applications including long run roofing, roof tiles, wall cladding, rainwater goods and fencing
  • Pre-painted steel products are warranted up to and including severe environments for roofing, spouting and fascia. Cladding will be warranted in moderate environments only*

 *Please refer to New Zealand Steel's Environmental Categories, Warranty & Product Maintenance Recommendations guide for further information.

Limitations on Use

COLORSTEEL ENDURA® products are not recommended for the following applications:

  • Intensive animal shelters, where the build-up of alkaline fumes may occur
  • Swimming pools, and other structures with continually wet internal environments 
  • Buildings with harsh internal environments such as galvanising plants, tanneries and meat works
  • Fertiliser works
  • Embedded in concrete
  • In contact with soil, bark or similar
  • Geothermal areas

Before using COLORSTEEL ENDURA® products in these applications please consult one of our Business Development Managers for a recommendation.

Copper or brass pipes must not be allowed to discharge onto or come into contact with COLORSTEEL® pre-painted steel products. The use of other materials in proximity to COLORSTEEL ENDURA® must be carefully considered — the COLORSTEEL® Incompatible Materials bulletin should be used as reference.

The mixing of COLORSTEEL® brands, such as ENDURA® and MAXX®, between accessory feed and roof cladding is acceptable where appropriate. However, mixing with other brands of pre-painted materials on the same building is not recommended.

Statement of Building Code Compliance

COLORSTEEL ENDURA® is certified as a Type 4 coating when tested to AS/NZS 2728 and therefore is consistent with the NZ Building Code as described in Acceptable Solution E2/AS1 Table 20. 

In-Service History

COLORSTEEL ENDURA® is manufactured by New Zealand Steel Ltd. COLORSTEEL® is made, tested and trusted for New Zealand conditions. 


Other Performance Attributes


  • Colour retention (CIE Lab units Delta E) is 8 units maximum after 10 years exposure, and 10 units maximum after 15 years exposure. Chalk rating (AS 1580:481.1.11:1998) is no more than 4 after 10 years exposure
  • Solar reflectance and light reflectance values vary with colour, refer to COLORSTEEL® Light Reflectance brochure for details


  • Steel substrate may be either G300 or G550 consistent with AS 1397:2011
  • Metallic coating is consistent with AS 1397:2011
  • COLORSTEEL ENDURA® is Product Type 4 consistent with AS/NZS 2728:2013
  • Tolerances are consistent with the requirements of AS/NZS 1365:1996

Fire Resistance:

  • COLORSTEEL ENDURA® is rated as a Group 1-S material and has an average specific extinction area of 132.2 m²/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

Drinking Water:

  • COLORSTEEL ENDURA® samples tested in accordance with AS/NZS 4020:2005 passed the requirements for products in contact with drinking water
COLORSTEEL ENDURA® Product Technical Statement


COLORSTEEL Installers Guide
Environmental Categories, Warranty & Product Maintenance Recommendations
Choosing COLORSTEEL Brochure
COLORSTEEL® Design Brochure
Colour Range

COLORSTEEL® is made, tested and trusted for New Zealand conditions — Inspired by surrounding colours and landscapes, COLORSTEEL strives to create products that will in turn inspire.

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