Sigma Purlin

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Development behind the Albion Sigma beam purlin has been to assist in combatting rising materials costs with a lighter more efficient product.

Whilst providing a cost effective solution, the Sigma purlin is also designed in accordance with BS EN 1993-1-3:2006.


Albion Sigma purlin offers:

  • Material grade S450 as standard.
  • Requiring less accessory components e.g. anti sag bars and sleeves when compared to zed sleeved systems.
  • Vastly improved speed and ease of erection.
  • 14 dia holes to suit M12 bolts (sections up to 240mm deep).
  • Practical sleeve solution providing additional support to purlin prior to fixing.

Section Dimensions Table

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