Purlins & Sections

Cee Sections

Our Cee sections are available in depths ranging from 123mm to 343mm deep.

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123mm to 343mm Depths 1.3mm to 3mm Thicknesses Interchangeable with Zed Up to 12m Lengths BS EN 10346 Certified SCI Assessed 123mm to 343mm Depths 1.3mm to 3mm Thicknesses Interchangeable with Zed Up to 12m Lengths BS EN 10346 Certified SCI Assessed

Cee Sections

At Hornsey Steel Panels and Sections Ltd, our Cee section side rails are engineered to integrate seamlessly with our Zed section range, providing a versatile and consistent secondary steel solution across a wide range of building applications.

Designed for flexibility, Cee and Zed sections are interchangeable for certain applications, including door and window framing, allowing greater design freedom without compromising structural performance.

Manufactured using the same high-quality steel and precise cold roll-forming processes, our Cee sections deliver an excellent strength-to-weight ratio, ease of handling, and reliable on-site installation.

Available in depths ranging from 123mm to 343mm and thicknesses from 1.3mm to 3mm, Hornsey Steel Cee sections are supplied pre-punched and cut to lengths of up to 12 metres (up to 15 metres by request). A comprehensive range of compatible accessories are also available, ensuring a complete, fully co-ordinated system.

Section Depths 123 - 343mm
Thicknesses 1.3 - 3mm
Max Length 12,000mm
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* Figures in bold are our standard core product range, please note that products outside of this range may be subject to extended lead times. The dimensions which differ between standard Cee sections and the Mezzanine beams are indicated in the red panels, these are the top hole (B), gauge line (C) and bottom hole (D).

Section Depth (mm) Cee Section Mezzanine Beam
ABCDEFG BCD
123*56433743561818414141
143*56435743561818416141
15356436743561818466146
16361437743611818467146
173*61438743611818517151
203*6143117436118185110151
233*6143147436118185113151
2636143177436118185116151
3038654196548618185120151
3438654236548618185124151

All illustrations and dimensions given are for guidance only.

SCI Assessed

Our complete range of purlins and sections have been assessed by the Steel Construction Institute.

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Not sure which depth or gauge suits your project? Our team can talk you through the options.

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Use our free sizing calculators to help plan your roof or wall project.

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These products are ideal for a wide variety of construction scenarios where both high strength and low weight are critical considerations. Tailored to specific applications, our steel roof and wall purlins and sections are designed and manufactured to comply with the appropriate performance standards, including British Standards and Eurocodes, and are marked with the appropriate UKCA and CE certifications.

  • BS EN 10346:2015 - Continuously hot-dip coated steel flat products
  • BS EN 1993-1-3 - Design of steel structures: cold-formed members and sheeting
  • BS EN 1090-1:2009+A1:2011 (up to EXC 2) - Execution of steel structures
  • Z275 galvanised coating (275g/m² minimum)
  • Minimum yield strength 450 N/mm²

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