Single Span Sleeved System
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An alternative to the double span system and suitable for all bay sizes. May be used with all Sigma Sections. Where purlins are required to be single spanning, but still maintaining continuity over the rafters, the single span sleeved system can be employed. |
Sigma Purlin Systems |
| Single Span Butt System | |
| Double Span Butt System | |
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Single Span Sleeved System
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| Heavy End Bay System | |
| Sleeve Assembly and Cleat Details |

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