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Spanflow Box Gutter: A Smarter Approach to Industrial Roof Drainage

Author: James Brewer
Date: 25/03/26

Effective industrial roof drainage is a critical part of any large-scale building, yet it’s often overlooked until issues arise. Choosing the right box gutter system can make all the difference in protecting your structure from water damage and ensuring long-term performance. The Spanflow Box Gutter has been developed to meet these demands, offering a high-capacity, durable solution for modern construction.

Manufactured from Z275 galvanised steel, this galvanised steel gutter system is built with longevity in mind. Available in both 1.6mm and 2.0mm thicknesses, it delivers the strength required for heavy-duty guttering applications, making it ideal for buildings exposed to high rainfall and challenging weather conditions. For projects requiring reliable steel guttering for warehouses, agricultural units, or factories, Spanflow provides a dependable solution.

Installation efficiency is a key consideration in any project, and this is where Spanflow stands out. Each gutter is made to order, with lengths ranging from 0.5 metres up to 7 metres. This flexibility reduces the need for excessive joins, helping contractors save time on site while also minimising waste—an important factor in cost-effective construction and sustainable building practices.

The system features 80mm joggled ends, allowing for secure overlapping joints that simplify alignment and improve installation accuracy. Combined with pre-punched fixing holes, this easy-install gutter system enables fast assembly using standard fixings. For contractors working on tight schedules, having a pre-fabricated steel gutter that is ready to install can significantly improve efficiency on site.

Spanflow is also designed to integrate seamlessly with steel cladding systems and modern building envelopes. Its long-span capability makes it particularly effective for large roof drainage systems, where managing high volumes of water across wide areas is essential. This makes it a popular choice for industrial buildings, agricultural sheds, workshops, and modular construction projects.

Performance and reliability are at the heart of every Spanflow Box Gutter. Whether you're specifying materials for a new build or upgrading an existing system, choosing a high-capacity box gutter ensures your building is protected year-round.

At Accord Steel Cladding, we understand the importance of tailored solutions. That’s why every Spanflow gutter is manufactured to your exact requirements, ensuring the right fit for your project. If you’re looking for steel box guttering in the UK that combines durability, efficiency, and ease of installation, Spanflow is a proven choice.

Get in touch with our team today to discuss your project, request a quote, or find out more about our industrial guttering solutions.

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