How to design c purlins and sag rods design according to nscp 2015 c purlinsare horizontal type steel section that are used to support the load from the roof deck or the sheathing.
Residential c purlins roof design.
Purlins traditionally support the roof deck cladding sheeting and are in turn supported by the principal rafters steel beams etc.
Civil engineering design in architecture or structural engineering or building a purlin or purline is a horizontal structural member in a roof.
Purlins support the loads from the roof deck or sheathing and are supported by the principal rafters and or the building walls steel beams etc.
In the past the majority of roof structures were of wooden construction but over the past 15 to 20 years there has been a vast shift away from wood to metal mainly steel roof construction.
The shape of cee purlins does not allow end lapping they are butted together.
Roof purlin are members used to directly support roof sheeting materials and could be made of timber or steel.
Steeline c purlins are made from quality galvaspan steel and are roll formed to length with holes punched to your specification.
Welded together they can be used as columns braces and ties.
Steeline c purlins are available in different sizes and material strengths to match the design specification of your building.