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Albion Engineer Design Disk Albion Engineer Design Disk

Sigma Purlin Sleeves


Sleeve Assembly and Cleat Details

• Sleeves are required to provide structural continuity of the purlin section across the supporting rafter.

• All sleeves are of similar length and longitudinal drillings consistent.

• Sleeve thickness is dependent on purlin thickness.		 Sigma Purlin Systems
Single Span Butt System
Double Span Butt System
 Heavy End Bay System
Sleeve Assembly and Cleat Details

 

Purlin Thickness Sleeve Thickness
Up to 1.8mm 2.0mm
Over 1.8mm - 2.3mm 2.5mm
Over 2.3mm - 3.0mm 3.0mm



 

Albion Tip: The most cost effective purlin system, in terms of material content and number of components to erect, is the double span butt system.
Albion Sigma SleeveAlbion Sigma Sleeve

 
 

Purlin Cleat Details

Welded Type
Sigma Purlin Sleeve Welded Type

Bolted Type
Sigma Purlin Sleeve Bolted Type

 

 

Standard Sleeve Dimensions

Purlin Series A B C Thickness Hole dia
All 200 154 35 209 6 14
22512-22516 179 32 234 6 14
22518-22525 179 35 234 8 14
24015-24018 190 37 247 8 14
24020-24028 190 37 247 10 14
All 265 205 42 272 10 18
All 300 240 42 307 10 18

 

Material: Mild Steel
Finish: Natural

Note: Where Albion standard cleats are not provided, take care to ensure that sufficient clearance is provided from the underside of the purlin to the top of the rafter for the installation of the sleeve.
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