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Shop ZINCALUME® Trimdek Roof Sheets Online Trimdek Diagram Trimdek Fasteners Application Trimdek Weight Span table for Trimdek sheets showing maximum support spacings in millimeters (mm) for roofing and wall.

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ZINCALUME® TRIMDEK® Roofing Sheets .42 BMT

Strong, lightweight, economical. Genuine BlueScope ZINCALUME® steel in the TRIMDEK® 5-rib profile - ideal for both residential and commercial roofing and wall cladding. Wide spanning capability and modern style at a natural-metal price point.

To order: Select your sheet length and quantity above.

Bold trapezoidal ribs, low-slope capable. TRIMDEK® delivers wider support spacings, roof pitches down to 2°, and clean architectural lines - all with the corrosion resistance of ZINCALUME® aluminium-zinc alloy coating. Ideal for exposed and coastal sites.

Product Features

  • Distinctive 5-rib TRIMDEK® profile - bold trapezoidal ribs, contemporary appearance
  • Genuine BlueScope ZINCALUME® steel - Australian-made for trusted quality
  • Corrosion-resistant alloy coating - outperforms galvanised for coastal and high-exposure sites
  • Low-slope capable - suitable for roof pitches as low as 2°
  • Long-spanning profile - reduces the need for extra support structures
  • Custom cut-to-length - precise sheets, no waste, no on-site trimming
  • Dual use - roofing and wall cladding for residential and commercial projects
  • BlueScope-backed warranty for long-term performance
  • Fast delivery - typically 4-7 business days across VIC, NSW, QLD, ACT & TAS

Product Specifications

Profile TRIMDEK® 5-rib trapezoidal
Base metal thickness .42 BMT 
Material Genuine BlueScope ZINCALUME® steel
Effective cover width 762mm (approx. 820mm overall) 
Minimum roof pitch
Length Custom cut-to-length
Applications Roofing and wall cladding - residential and commercial
Warranty BlueScope ZINCALUME® performance warranty

Delivery Information

  • Standard lead time: 4-7 business days depending on delivery location
  • Cut-to-order: Each sheet custom cut after your order is placed
  • Direct-to-site: Delivered safely to your job site across VIC, NSW, QLD, ACT & TAS
  • Convenient ordering: Order online 24/7

Complete Your Project

Prefer a colour finish? See COLORBOND® TRIMDEK® .42 BMT in the full COLORBOND® colour range. Need heavier gauge? Upgrade to COLORBOND® TRIMDEK® .48 BMT.

Alternative ZINCALUME® profiles: ZINCALUME® Corrugated .42 BMT or ZINCALUME® Corrugated .48 BMT. Complete the install with 12 x 65mm TRIMDEK® screws, flashings and ZINCALUME® guttering.

Order ZINCALUME® TRIMDEK® Roofing Sheets Online - Cut to Length & Delivered.

The natural-metal choice for coastal, rural and cost-conscious builds. Compare all roofing iron profiles before ordering.

 

ZINCALUME® TRIMDEK® Roofing Sheets: Durable Solutions for Every Project

If you're looking for durable, high-quality and versatile roofing and cladding, ZINCALUME® TRIMDEK® roofing sheets are an ideal choice for a wide range of applications. Designed for residential and commercial projects, these sheets deliver excellent performance, aesthetic appeal and cost-effectiveness - making them one of the most sought-after profiles in Australian roofing.

Wall Cladding: A Versatile Application

TRIMDEK® ZINCALUME® is not just for roofing - it also doubles as a superior wall cladding option, suitable for exterior use and interior walls or ceilings. The sleek profile and durability make it popular for enhancing both domestic and commercial buildings. Whether you're working on a modern home or a large industrial structure, this profile offers the right blend of strength and style. Compare with Multiclad ZINCALUME® wall sheets for wider architectural panels.

Excellent Spanning Capacity for Larger Projects

One standout feature is excellent spanning capacity - ideal for covering large spaces without compromising structural integrity. High strength and lightweight construction allow for wide support spacings, particularly useful for industrial and agricultural projects where wide roofing or cladding is required.

Cover Width for Maximum Efficiency

With a cover width designed for optimal efficiency, these sheets provide better coverage with fewer sheets - saving time and money during installation.

Rib Height for Added Strength

The trapezoidal rib profile is engineered to enhance structural strength, suitable for projects that demand high durability. This design feature increases load-bearing capacity and improves the visual impact of the installation.

Custom Lengths to Suit Your Project

At Metal Roofing Online, all orders are manufactured to the required length, ensuring a perfect fit for your specific project. Long lengths can be installed in a single sheet without end laps, providing a seamless look. Whether you need long lengths for expansive roofing or precise cuts for smaller areas, we provide custom lengths tailored to your project.

Fast Delivery Across Australia

Time matters on any project. Fast delivery across VIC, NSW, QLD, ACT and TAS keeps your job on schedule wherever the site is located.

Online Ordering Made Easy

Ordering is simple with our online platform. A few clicks lets you buy TRIMDEK® roofing online, select your specifications, and have sheets delivered straight to site. Custom-length orders processed as standard.

Affordable ZINCALUME® Roofing Without Compromising Quality

These sheets offer the balance of performance and affordability. Whether you need budget-friendly roofing or high-end materials for a premium project, ZINCALUME® TRIMDEK® delivers outstanding value for money.

Residential and Commercial Roofing Solutions

TRIMDEK® suits both residential and commercial applications due to its versatility. From modern homes to large-scale industrial buildings, these sheets cater to a wide range of building designs. Durability and versatility make it a go-to choice for Australian roofing. See other ZINCALUME® roofing profiles for comparison.

Affordable Roofing for Every Project

Whether you're a homeowner tackling renovations or a builder working on a large-scale commercial project, ZINCALUME® TRIMDEK® provides a reliable, cost-effective solution. Long lengths install without end laps, minimising joints and potential weak points. Durable, sleek and easy to install - suits any budget.

Why Buy from Metal Roofing Online?

Metal Roofing Online specialises in high-quality ZINCALUME® TRIMDEK® roofing sheets and cladding for a wide range of applications. These sheets exhibit remarkable recovery, returning to their original shape after being deformed - reducing damage risk and long-term maintenance. Combined with fast delivery, online ordering and customised sheet lengths, we make it easy to complete your roofing project efficiently.

    • ✔ Genuine BlueScope ZINCALUME® steel, no substitutes
    • ✔ Custom cut-to-length with fast Australian dispatch
    • ✔ Fast, reliable delivery across VIC, NSW, QLD, TAS & ACT
    • ✔ Order online 24/7 with secure checkout

Prefer a colour finish? See COLORBOND® TRIMDEK® roofing sheets in the full COLORBOND® colour range.

Metal Roofing Online · metalroofingonline.com.au · 1300 886 944 · 1300 886 944 · sales@metalroofingonline.com.au

Service areas: Victoria • New South Wales • Queensland • Tasmania • Australian Capital Territory  (postage items Australia-wide)

 

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