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Sigma Purlins


Sigma section / Purlins are accurately roll formed from high strength steel to provide an efficient, light weight and economical roofing and cladding support system for structural steel buildings. Sigma section / purlins are quick to install and suitable for both insulated and noninsulated roofs and walls. The thickness and height of the purlin selected depend on span length and loads.

  • Industrial construction
  • Hall and warehouse construction
  • Extension construction and renovation
  • Compact design
  • Rust proof surface finish
  • Robust structure
  • Simple installation
Section-type Sigma sections
Height ________________________
Thickness 1.5–3.0 mm Minimum length ___________ Maximum length __________
Material Hot galvanized steel sheet