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Recognising that building designers, engineers and other industry professionals maintain extremely busy schedules,  Roofing Industries welcomes the opportunity to provide this informative and user-friendly section of our website where we seek to provide technical support. We are confident that www.roof.co.nz will be welcomed by design professionals as the “one-stop” roofing and cladding reference tool, updated to meet the requirements of the Building Code on a regular basis.

Note: The following statement only applies to Eurostyle, Multideck andTrapezoidal profiles. Oil canning is defined as a perceived waviness across the flat area of ( in particular, but not limited to) wider metal panels. It is a naturally-occurring phenomenon and can be more discernible under shallow cross lighting, variation in light source, temperature and thermal changes. Oil canning is an aesthetic issue and not a structural problem or defect. The property owner, builder, specifier should be aware that these undulations do not affect performance. Inclusion of swaging systems may also assist in reducing surface waviness.

Along with the extensive amount of information available through this site, our staff are ready and willing to assist with any clarification, and further technical support

  • Sustainability
    • RoofLink Sustainability Article

      Rooflink Sustainbale Article

      • Sustainability
      Last Updated: 30 Nov, 1999 - 1:00pm
    • NZ Steel Market Update July 09

      NZ Steel Market Update 09

      • Sustainability
      Last Updated: 30 Nov, 1999 - 1:00pm
    • Sustainability Technical Data Sheet 9

      Sustainable Technical Data Sheet 9

      • Sustainability
      Last Updated: 30 Nov, 1999 - 1:00pm
    • Technical Data Sheet 12 (2)

      Technical Data Sheet 12 (2)

      • Sustainability
      Last Updated: 30 Nov, 1999 - 1:00pm
    • Life Cycle assessment

      Life Cycle Assessment

      • Sustainability
      Last Updated: 30 Nov, 1999 - 1:00pm
    • Technical Data Sheet 10 (2)

      Technical Data Sheet 10 (2)

      • Sustainability
      Last Updated: 30 Nov, 1999 - 1:00pm
    • Technical Data Sheet 8 (2)

      Technical Data Sheet 8 (2)

      • Sustainability
      Last Updated: 30 Nov, 1999 - 1:00pm
    • colorsteel maxx solar reflectance

      Colorsteel Maxx Solar Relectance

      • Sustainability
      Last Updated: 30 Nov, 1999 - 1:00pm
    • Sustainable Building

      Sustainable Building

      • Sustainability
      Last Updated: 30 Nov, 1999 - 1:00pm
    • Master Build article mar08

      Master Build Article

      • Sustainability
      Last Updated: 30 Nov, 1999 - 1:00pm
    • WHITESTAR data sheet

      Whitestar Heat Reflection Data sheet

      • Sustainability
      Last Updated: 30 Nov, 1999 - 1:00pm
    • NZ Steel Green Star Rating

      NZ Steel Green Star Rating

      • Sustainability
      Last Updated: 30 Nov, 1999 - 1:00pm
    • Sustainable Manufacture

      Sustainable Manufacture

      • Sustainability
      Last Updated: 30 Nov, 1999 - 1:00pm
    • Technical Data Sheet 11 (2)

      Technical Data Sheet 11 (2)

      • Sustainability
      Last Updated: 30 Nov, 1999 - 1:00pm
    • Recycling of steel materials

      Recycling of Steel Materials

      • Sustainability
      Last Updated: 30 Nov, 1999 - 1:00pm
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