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Albion Engineer Design Disk Albion Engineer Design Disk

Double Span Butt System

The most popular Purlin System combining Double Span lengths with a minimum of Jointing Sleeves.

The Sleeved System can be used for buildings with two bays or more and combines a cost effective solution with ease of detailing.

Sigma Purlin Systems
Single Span Butt System
Double Span Butt System
Heavy End Bay System
Sleeve Assembly and Cleat Details

Bay widths are limited to 8m (Maximum Purlin lengths 16m).

Used with 200, 225, and 240 Series

Double Span Butt System for Sigma Purlins

Albion Tip: Albion recommend the use of this system to minimise material content and the number of system components.

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