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Steel Decking Subframe Kits

Easy to install and compatible with various decking materials, our galvanised steel sub-frame kits contain everything you need and are the foundation of a durable, high-quality deck. Simply choose your kit from the standard sizes below.

Steel Decking Frame

Galvanised Steel Deckframe Systems

Our galvanised steel decking subframe kit provides a robust foundation for your outdoor space, ensuring exceptional support and durability.

We offer a range of pre-cut galvanised steel deck frames, specifically designed to simplify the process of building your own deck. Our deck frame kits can be mixed and matched or used independently, allowing you to create a solid base for decking of any size or shape.

Manufactured in the UK, these kits are easy to install and compatible with a variety of decking materials. Each galvanised steel subframe kit contains all the necessary components for constructing a durable, high-quality deck. Simply select the appropriate kit from the standard sizes listed below.

Each kit includes steel beams, brackets, and fixings. Simply choose from one of our kit sizes below. For more information on individual designs, please call. We can also supply a comprehensive CAD drawing and the cost of your project – our team are here to help!  

Sub Frame

KIT 1

1030 mm

Sub Frame

KIT 2

1660 mm

Sub Frame

KIT 3

2170 mm

Sub Frame

KIT 4

3400 mm

Custom Sub-frame Kit Calculator

If you’re in need of a custom fitting sub-frame, view our kit calculator below to get a detailed breakdown of every item you’ll need to suit your specific needs.

Physical testing
Decking subframes physical testing carried out by Lloyds British Testing Limited. Sub-frame and deck boards tested to 1.5KN/M2 and onto maximum permissible deflection based upon span/360. Product reached maximum permissible deflection of span/360 at 2.1 KN/M2 including a safety factor of 1.5. Ultimate load failure recorded at 20 KN/M2.

Galvanised and zinc plated components
Cold rolled steel main frame profiles galvanised to British Standard BS EN 10346:2009. Sub-frame brackets are zinc plated and clear passivated to Fe/Zn25/A.

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Bulk Buy or Trade Account?

Welcome to our bulk buy discount scheme exclusively for trade professionals! Enjoy significant savings when purchasing larger quantities of our products. Whether you’re stocking up for your business or clients, our bulk buy discounts ensure you get the best value for your investment. Contact our trade team today to learn more about our special pricing and streamline your procurement process.