Sigma purlin features:

- Reduced section size by a gauge - using S450 materials grade as opposed to S390.

- Improved strength to weight ratios of up to 11% against some S390 popular Zed Profiles.

- Less accessory components required, such as Anti Sag Bars and Sleeves.

- Vastly improved speed and ease of erection, due to reduced component requirement.

- 14 dia holes to suit M12 bolts.

- Meets forthcoming Eurocodes; BS EN 1993-1-3:2006.

- Practical Sleeve solution providing additional support to purlin prior to fixing.