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Diagram of COLORBOND® Box Gutter – 150mm sides and 300mm base Box Gutter Profile metal roofing online Colorbond Box Gutter

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Rainhead Flashing Order Form Sump / Tray Flashing Form EXAMPLE Flashing Order CUSTOM Flashing Order Form
Would you like a custom flashing, sump, or rainhead? Please download the applicable order sheet and return it to us at sales@metalroofingonline.com.au

 

COLORBOND® Steel Box Gutter – 150 x 300 x 150

COLORBOND® 300mm box gutter is the ideal solution for effective roof drainage with a sleek finish. Made in Australia for tough weather conditions.

 Our 150 x 300 x 150 box gutter is expertly manufactured using 100% Australian BlueScope COLORBOND® steel, offering exceptional performance and protection in all weather conditions.

Key Features

Turnaround: 2–7 working days depending on your delivery location.

Compliance: Must be installed with a minimum fall of 1:200 for proper drainage.

Australian Made: Backed by warranty using genuine BlueScope COLORBOND® steel.

Custom Sizes: We manufacture to suit your specifications.

Need a Custom Fit?

We can manufacture this box gutter to your exact dimensions. Simply download the custom flashings sheet and email it to us at sales@metalroofingonline.com.au for a quote.

Flashing Tolerance

Length: +200mm, –0mm — ensuring accurate fit and easy onsite installation.

Backed by the BlueScope Warranty

We use only the best 100% Australian steel for peace of mind. All components are made from COLORBOND® and ZINCALUME® steel, tested and proven to last. Install with total confidence knowing your system is built to protect.

More Information on COLORBOND® Box Gutter 300mm

When it comes to box gutters in Australian construction, material quality and performance in heavy rainfall are essential. Our COLORBOND® Box Gutter 300mm delivers reliable, long-lasting protection while integrating seamlessly into your roof and building design.

Why the Right Material Matters

Made from premium-grade COLORBOND® steel, this box gutter offers superior durability, corrosion resistance, and a watertight seal.

Designed for Heavy Rainfall & Reliable Water Flow

Engineered to withstand Australia’s toughest weather, this gutter efficiently channels rainwater—even during downpours—and helps protect your building from overflow, leaks, and water damage. With the correct slope, width, and downspouts, you can trust its performance.

Custom Flashings for a Precise Fit

Need a custom angle or specific length? We manufacture made-to-order flashings to ensure a perfect fit for your construction project. This reduces leak risks and supports clean, professional installation.

Match Your COLORBOND® Colour Scheme

Available in the full COLORBOND® colour range, our 300mm box gutter lets you match your guttering to your roof, flashings, and overall building aesthetic. Whether you’re after a contemporary, coastal, or heritage finish, there’s a colour to suit your project.

Frequently Asked Questions

  • Is this suitable for low-slope roofs?
    Yes — as long as the fall angle is correct for effective drainage.
  • Can I use it with other materials?
    Absolutely. It integrates with a variety of roofing and flashing materials.
  • Is it suitable for both housing and commercial projects?
    Yes. This box gutter is commonly used in residential builds and high-performance commercial roofing systems.

Ready to Order?

If you’re looking for a reliable, compliant, and visually clean solution, the COLORBOND® Box Gutter 300mm is an excellent choice. Whether you're replacing old gutters or upgrading your rainwater system, place your order online today for fast delivery across Australia.

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