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Made for Australian conditions — our Trimdek COLORBOND® Roofing Sheets deliver high strength, low maintenance, and long-life performance. Proudly manufactured from genuine BlueScope Steel, these sheets are engineered to handle Australia’s harsh climate while adding a bold, modern look to any project.
Engineered Strength with a Modern Profile
LYSAGHT TRIMDEK® features a distinctive trapezoidal rib design and subtle pan fluting for increased rigidity and effective water run-off — ideal for roof pitches of 2° or more. Each sheet spans 762 mm in cover width and is custom cut to your length for a seamless fit from ridge to gutter, reducing waste and leak points.
- .42 BMT – perfect for homes, sheds, garages, and carports.
- Optional .48 BMT Klip-Lok 700 for higher strength in industrial builds.
Why Builders Choose Trimdek
- Manufactured in Australia from genuine BlueScope COLORBOND® steel.
- Excellent spanning capacity for low-pitch roofs (≥ 2° fall).
- Lightweight yet strong — easy to handle and install.
- Compatible with flashings, gutters, and fascia systems.
- Delivered fast across VIC · NSW · QLD · TAS · ACT.
COLORBOND® Colour Range
Available in all popular COLORBOND® colours, including Woodland Grey®, Monument®, Deep Ocean®, Classic Cream™, Pale Eucalypt®, Shale Grey®, and Night Sky®. Each colour uses advanced paint technology to resist chipping, peeling, and corrosion for decades of dependable performance.
Sustainability & Thermal Efficiency
COLORBOND® steel is 100 % recyclable and engineered to reflect heat, helping keep buildings cooler and lowering energy use — a smart, sustainable choice for Australian homes and businesses. Its long service life also means less material replacement and reduced waste over time.
Applications
Trimdek is suitable for both roofing and wall cladding on:
- Residential homes and patios
- Garages, sheds, and carports
- Commercial and industrial buildings
Product Specifications
- Profile: Trimdek® trapezoidal
- BMT: 0.42 mm
- Cover Width: 762 mm
- Minimum Roof Pitch: 2°
- Finish: Genuine COLORBOND® steel
- Lengths: Custom cut to order
COLORBOND® Monument Trimdek
COLORBOND® Monument® Trimdek provides a deep, modern grey tone that suits both contemporary and industrial designs. Cut-to-length Monument sheets are a top seller for modern homes and commercial buildings nationwide.
- Architectural ribbed look for clean rooflines
- Durable COLORBOND® finish tested for Australian weather
- Matches gutters, fascia, and custom flashings in the same colour
Frequently Asked Questions
Yes — Trimdek’s profile performs exceptionally well for both roofing and walling, offering strong support spacings and sleek visual appeal. Choose from the full COLORBOND® palette, including favourites such as Woodland Grey®, Deep Ocean®, Shale Grey®, Classic Cream™, and Monument®. Absolutely. Trimdek is designed for a minimum roof pitch of 2°, ideal for low-slope modern designs. Yes. Every Trimdek sheet is made from genuine BlueScope COLORBOND® steel — proudly Australian and backed by warranty. Average delivery time is 2–7 business days depending on location and sheet length. Orders are delivered directly to your site Australia-wide.Is Trimdek suitable for wall cladding?
What colours are available?
Can Trimdek be used on low-pitch roofs?
Is it made from Australian steel?
How long does delivery take?
Order Online with Confidence
Simply select your colour, enter your required lengths, and add to cart. Each order is cut to length and delivered to your door by trusted freight partners. Metal Roofing Online is 100 % Australian-owned and supplies only genuine BlueScope products — tested, certified, and backed by warranty.
