Roof Purlin Beam

Purlins and girts are used longitudinally to support the roof sheeting which they were originally designed for.

Roof purlin beam.

Available in a variety of sectional properties lengths and sizes. Like the z purlin the c purlin takes its name from its shape. In architecture structural engineering or building a purlin or historically purline purloyne purling perling is a horizontal beam or bar used for structural support in buildings most commonly in a roof. With this layout the upper level which is typically framed construction rather than log the ceiling slash roof can use rafters and purlins to add log elements.

Purlins traditionally support the roof deck cladding sheeting and are in turn supported by the principal rafters steel beams etc. Purlins are supported either by rafters or the walls of the building. In architecture or structural engineering or building a purlin or purline is a horizontal structural member in a roof. In homes with full second floors the main level ceilings often use log beams for overhead looks and to support the ceiling which is also the upper level floor.

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.