× HOME (current)
POLYCARBONATE INSULATION
Please select State:
1300 886 944 LOGIN 0

  • 0

Cart4454272

Item removed. Undo

Where are you shopping for today?

Delivery State:

Please note: item availability may change.
steel-trimdek-roof-colorbond-technology Trimdek Diagram Trimdek Weight Trimdek Fasteners Application Trimdek-roofing-profile-metal-roofing-online Trimdek-roofing-example steel-trimdek-roof-colorbond-technology-metal-roofing-online Trimdek-night-sky-metal-roofing-online Colorbond Trimdek with banner

Please select a state in the header.


Please select a state in the header.


COLOUR SELECTED:

TRIMDEK® COLORBOND® Steel Roofing & Cladding

Secure, durable, and energy-efficient roofing designed for Australian conditions.

Key Features

  • Competitive pricing – High-quality materials at great value.
  • Fast delivery – Receive your order in 4–7 working days (approx) 
  • Secure online ordering – Trusted Australian BlueScope Steel supplier.
  • Custom-cut to order – Precision-cut lengths for easy installation.
  • COLORBOND® steel finish – Available in 22 colours.

Specifications

  • Cover width: 762mm
  • Actual sheet width: 820mm
  • Minimum roof pitch: 2 degrees
  • Thickness options: .42 BMT (standard) or .48 BMT (extra strength)
  • Weight: 3.21kg per lineal metre (approx.)
  • Sheet length: Custom lengths available up to 10m

Installation Tip

For best results, use 12g x 65mm self-drilling screws for timber fixing.

Advanced Technology

  • ACTIVATE® technology – Superior corrosion resistance for long-lasting durability.
  • Thermal efficiency – Helps maintain comfortable temperatures year-round.

Order Now

Choose TRIMDEK® COLORBOND® roofing for a premium, long-lasting solution.

 

Sheet Tolerances: Length: + 0mm, – 15mm, Width: + 4mm, – 4mm

Trimdek Roof Sheets: The Ideal Roofing Solution for Australian Homes

When selecting your roof materials, Trimdek roof sheets stand out as a versatile choice suitable for multiple applications, including roofing, wall cladding, and interior use.

Manufactured from high-quality COLORBOND® and ZINCALUME® steel by Australian BlueScope Steel, LYSAGHT TRIMDEK® is designed to withstand the harsh Australian climate with its subtle square fluting, bold trapezoidal ribs, and lightweight yet strong material. It is compatible with special joint systems, such as the trim klip, which enhances functionality by maintaining clean roof lines and accommodating thermal movement.

Why Choose Trimdek Roofing?

Trimdek roofing sheets are an excellent choice for residential, commercial, and industrial buildings due to their high spanning capacity, strength, and modern aesthetic appeal.

  • Structural integrity with bold trapezoidal ribs and subtle fluting
  • Modern and sleek design, making it a popular alternative to traditional corrugated roofing
  • COLORBOND® and ZINCALUME® options for durability and visual appeal

What is Lysaght Trimdek Roofing?

Trimdek is a highly adaptable roofing and wall cladding system featuring bold trapezoidal ribs and subtle fluting in the pans. This design enhances structural integrity and aesthetics. Available in a range of colours including Woodland Grey, Shale Grey, Night Sky, Pale Eucalypt, Manor Red, and Evening Haze, it suits residential, commercial, and industrial buildings.

Benefits of Trimdek

  • High spanning capacity allows for wide support spacings, reducing material costs and installation time
  • Remarkable recovery from deformation, ensuring durability in harsh weather conditions
  • Cost-effective solution for various projects

Difference Between COLORBOND and Trimdek

Trimdek refers to the sheet’s profile, while COLORBOND® is the steel material. COLORBOND® offers strength, durability, and a wide range of colours, whereas Trimdek’s trapezoidal ribs and subtle fluting enhance structural integrity and modern appeal.

Trimdek vs. Corrugated Roofing: Which One is Right for You?

Trimdek features a modern, flat-ribbed design, while traditional corrugated iron has a classic wavy profile. Here’s a comparison:

Feature Trimdek Roofing Corrugated Roofing
Profile Type Bold trapezoidal ribs with fluted pans Traditional curved corrugations
Appearance Modern, sleek, and contemporary Classic, traditional look
Spanning Capacity Higher spanning ability Lower spanning than Trimdek
Pitch Requirement Minimum pitch of 2° Minimum pitch of 5°
Ideal Use Homes, commercial buildings, warehouses Sheds, carports, homes, fences

Trimdek Profile, Specifications & Wall Cladding

  • Sheet Width: 762mm
  • Cover Width: 762mm (after overlapping)
  • Rib Height: 29mm
  • Minimum Roof Pitch: 2° (with proper drainage and sealing)
  • Material Options: COLORBOND® & ZINCALUME® Steel

Design and Aesthetics

Trimdek’s bold trapezoidal ribs and subtle fluting create a unique and modern appearance. Available in a wide range of colours, including Classic Cream, Deep Ocean, Cottage Green, Woodland Grey, Shale Grey, Night Sky, and Pale Eucalypt, it enhances residential and commercial buildings.

Trimdek Roofing Pricing & Cost-Effectiveness

  • High spanning capacity reduces support requirements
  • Low maintenance costs

How Much Does Trimdek Cost?

Trimdek pricing depends on:

  • Material: COLORBOND® vs. ZINCALUME®
  • Sheet length: Custom-cut vs. standard sizes
  • Colour choice: Standard COLORBOND® vs. premium Matt finishes

Trimdek Minimum Pitch & Coverage Per Sheet

  • Minimum Pitch: 2° (with appropriate drainage and sealing)
  • Sheet Coverage: 762mm per sheet (after overlap)
  • Overlap Recommendation: One rib overlap for maximum weather resistance

Installation and Maintenance

  • Ensure structural integrity: Check the building structure before installation
  • Follow manufacturer’s instructions: Secure fastening ensures a durable hold
  • Regular inspections: Identify and address potential issues early
  • Routine cleaning: Remove debris to prolong the roof’s lifespan

Safety and Security

Trimdek prioritizes safety with its excellent spanning capacity and remarkable recovery from deformation. Its wide support spacings reduce the risk of collapse from extreme weather conditions.

Warranties and Certifications

Trimdek is manufactured from high-quality COLORBOND® and ZINCALUME® steel and comes with a 25-year warranty. It meets Australian building standards, including AS 1397 and AS 4040.6.

Why Trimdek is the Best Choice for Residential Buildings

Choosing Trimdek from Metal Roofing Online means selecting high-quality materials made from Australian BlueScope Steel.

🚀 With Trimdek, you get a modern, durable, and cost-effective roofing and wall cladding solution.

 

Related Products