Product Description

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Technical Resources

Trimline is a six-ribbed trapezoidal profile with a 29 mm high rib and 735 mm effective cover. Trimline is typically utilised in domestic roofing and cladding or commercial roofing and cladding applications where spanning ability is not a prime requirement.

Steel & Tube offers four trapezoidal rib products with rib heights varying between 20mm and 30mm manufactured at different locations throughout New Zealand.

All Steel & Tube roofing, cladding and rainwater goods manufactured from COLORSTEEL are accredited with Environmental Choice which contributes to Homestar and Greenstar.


  • Manufactured in Auckland, Whangarei and Wellington
  • Minimum pitch 3°
  • Can be crimp curved to 400mm radius
  • Can be sprung curved to minimum 25 metre radius
  • Translucent sheeting available to match


  • Residential roofing and cladding
  • Commercial and industrial roofing and cladding
  • Drape, spring and crimp curving
  • Steel & Tube Trimline is available in a variety of materials to suit the environment including galvanised, Zincalume and aluminium.
  • Matching reinforced natural lighting sheets are available in trafficable, non-trafficable, thermal and condensation control and fire ratings to suit your project.
  • A full range of matching accessories are available including ridging, underlays, safety mesh, fasteners and rainwater systems.

Steel & Tube Coil Suppliers are:

Steel & Tube Translucent Suppliers are: