Description
Featuring conventional, trapezoidal ribs and subtle fluting in the pans, TRIMDEK® provides any project with a clean and simple yet pleasing finish. A lightweight and economical profile, TRIMDEK® cladding benefits from an excellent spanning capacity permitting wide support spacings and remarkable recovery after deformation, aiding maintenance requirements.
A Stronger, Smarter Choice for Roofing & Cladding
LYSAGHT® TRIMDEK® is a high-performance profile used across residential, commercial and industrial builds.
With its bold trapezoidal ribs and subtle fluting, this versatile roof and wall cladding solution delivers clean lines and strong visual rhythm. Designed to perform with wide support spacings and excellent spanning capacity, it’s also suitable for low roof pitches—making it a trusted choice for modern applications.
Manufactured from either COLORBOND® or ZINCALUME® steel, TRIMDEK® ensures strength and consistency across every sheet.
Why Choose TRIMDEK®?
- Clean, structured appearance with bold ribs and subtle fluting
- Wide support spacings for greater design flexibility
- Impressive spanning capacity to reduce structural framing needs
- Suitable for low roof pitches, starting from as little as 2°
- Consistent recovery after loading for long-term performance.
Gallery
Profile Variants
TRIMDEK®
The TRIMDEK® profile features a subtle peak detail in the pan, making it a trusted choice for roofing profiles and wall cladding. It aligns seamlessly with COLORBOND® steel for a polished finish.
TRIMWALL®
The TRIMWALL® lightweight walling profile is a variant of TRIMDEK®, designed specifically for wall applications. Its subtle design supports seamless integration into wall cladding projects.
TRIMDEK®NT Variant
The TRIMDEK® (NT Variant) offers a unique raised flute detail in the pan, specifically designed for projects in the Northern Territory. Its engineering supports effective water management and compatibility with roofing and walling systems.
Systems & Solutions
The VENT-A-ROOF® passive ridge ventilation system enhances air circulation in roof cavities. Suitable for metal roofing in residential, commercial, and light industrial builds, it is compatible with CUSTOM ORB®, TRIMDEK®, KLIP-LOK 700 HI-STRENGTH®, and KLIP-LOK 700 CLASSIC® profiles.
The POP-UP PENETRATION® system ensures even rainwater distribution around roof penetrations, preserving rainwater carrying capacity.
It is compatible with CUSTOM ORB®, TRIMDEK®, SPANDEK®, KLIP-LOK 700 HI-STRENGTH®, and KLIP-LOK 700 CLASSIC® profiles.
LOK-KLIP® & TRIM-KLIP®
• LOK-KLIP®: Designed for use with KLIP-LOK 700 HI-STRENGTH® and KLIP-LOK 700 CLASSIC®, it provides a fast and effective solution for weather-resistant end and expansion joints.
• TRIM-KLIP®: Compatible with TRIMDEK®, it offers reliable end joint sealing while maintaining uninterrupted rooflines.
Finishes & Colours
COLORBOND® Steel Colour Range
COLORBOND® Steel Colour Range
Core Colour Range
Core Colour Range
The COLORBOND® steel core palette offers 22 enduring colours, giving you the freedom to select a finish that complements any TRIMDEK® application. From warm earthy hues to bold contemporary tones, the range is crafted to help you achieve a cohesive look—whether it’s a home, a warehouse or a commercial facade.
Ultra Colour Range
Ultra Colour Range
Designed for performance in harsh environments, the Ultra range pairs seamlessly with TRIMDEK® roofing in coastal or industrial zones. It combines corrosion resistance with aesthetic appeal, ensuring colour integrity where conditions demand more.
Matt Colour Range
Matt Colour Range
For understated elegance, COLORBOND® steel Matt offers a refined, low-sheen finish. Used with TRIMDEK®’s clean profile lines, it brings architectural restraint and modernity to projects seeking a softer edge.
Metallic Colour Range
Metallic Colour Range
Designed for buildings that demand attention, the Metallic range delivers visual depth through light-reflective technology. When paired with the structured geometry of TRIMDEK®, it creates a strong visual impact without compromising durability.
COOLMAX® Steel
COOLMAX® Steel
For projects prioritising thermal performance, COLORBOND® COOLMAX® steel can be selected to assist in reducing heat absorption. Ideal for large-scale roofing applications, especially in climates where energy efficiency is critical.
Patios & Carports Colour Range
Patios & Carports Colour Range
Double-Sided Roofing Colour Range
Double-Sided Roofing Colour Range
TRIMDEK® is also available in select double-sided colour combinations. A gloss finish on the underside reflects natural light, reducing the need for translucent inserts or artificial lighting under covered spaces. Ideal for patios, carports and other outdoor zones where appearance meets practicality.
COLORBOND® Steel Studio Library
For larger projects with specific colour requirements, COLORBOND® steel Studio offers over 200 colours, allowing precise matching by RGB, HEX values, or Dulux and RAL names. Minimum order quantities apply.
Unpainted Steel Range
Unpainted Steel Range
ZINCALUME® Steel
ZINCALUME® Steel
Blending industrial character with proven performance, ZINCALUME® steel brings a clean, metallic aesthetic to roofing and wall cladding. A practical and timeless choice for designs that favour raw material expression.
ZINC HI-TEN® Steel
ZINC HI-TEN® Steel
For applications where strength underpins design, ZINC HI-TEN® steel delivers high-tensile capacity to support demanding spans—ideal for structures using roofing profiles like TRIMDEK®.
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