Lysaght Trimdek Colorbond & Zincalume Roofing & Cladding

Lysaght Trimdek Colorbond & Zincalume Roofing & Cladding

Lysaght Trimdek is a modern, high-strength steel roofing and wall cladding profile widely used in residential, commercial and industrial construction. Manufactured by Lysaght (BlueScope Steel), Trimdek features a bold trapezoidal rib design that delivers excellent spanning capability, efficient drainage and a clean architectural appearance.

This collection includes the full range of Trimdek roofing and wall cladding sheets together with the essential accessories required for a complete installation, including flashings, fasteners and roof infill strips.

Trimdek Roofing & Wall Cladding Sheets

  • Strong trapezoidal rib profile designed for roofing and wall cladding
  • Manufactured from genuine COLORBOND® or ZINCALUME® steel
  • High strength with excellent spanning capability
  • Lightweight and easy to handle and install
  • Suitable for residential, commercial, rural and industrial buildings
  • Designed to perform in Australia’s harsh climate conditions
  • Available cut to required lengths to minimise waste and simplify installation

COLORBOND® Steel

  • Premium pre-painted steel designed for Australian conditions
  • Available in the full range of COLORBOND® colours
  • Excellent corrosion resistance and long service life
  • Durable finish with strong colour retention
  • Low maintenance and ideal for architectural and residential applications

ZINCALUME® Steel

  • Aluminium/zinc alloy coated steel with proven corrosion performance
  • Cost-effective option for roofing and cladding projects
  • Durable and long lasting in a wide range of environments
  • Popular for sheds, rural buildings and industrial applications

Trimdek Flashings

  • Essential components to ensure a weatherproof and professional roof installation
  • Manufactured from matching COLORBOND® or ZINCALUME® steel
  • Designed to integrate seamlessly with Trimdek roofing and wall systems
  • Includes common flashings such as:
  • Ridge capping
  • Roll top ridge capping
  • Apron flashing
  • Barge capping
  • Valley gutter
  • Tile flashing

Roofing & Cladding Screws

  • High-quality fasteners designed for steel roofing installations
  • Suitable for fixing to steel or timber substrates
  • Options for steel up to 1.0mm BMT and heavier steel sections
  • Painted screws available to match COLORBOND® colours
  • Unpainted zinc/aluminium coated screws for ZINCALUME® installations
  • Engineered for secure fixing and long-term durability

Roof Infill Strips

  • Profiled foam infill strips designed specifically for Trimdek roofing profiles
  • Seal gaps at ridges, flashings and sheet ends
  • Help prevent entry of dust, rain, insects and vermin
  • Improve weatherproofing and roof performance
  • Easy to install during roof construction

Typical Applications

  • Residential roofing
  • Commercial and industrial roofing
  • Wall cladding for warehouses and sheds
  • Garages, carports and rural buildings
  • Architectural cladding projects

With its strong ribbed profile, excellent spanning performance and full range of compatible accessories, Lysaght Trimdek provides a durable and versatile solution for modern steel roofing and wall cladding systems