Is It Okay To Use 6x2 In Roof Struts

The purlins are supported by vertical or slightly angled bracing.

Is it okay to use 6x2 in roof struts.

The spacing between rafters in a given building is part of the engineering calculations that determine the required structure of the roof. The decking is sized to resist the bending caused by these loads. Purlins are placed under rafters in a perpendicular position on edge not flat. Load tables specifying safe loads for different spans are available from metal deck manufacturers.

Rafters run from the peak of the roof. The braces struts or kickers should be within every 4 and should not be at a greater than a 45 degree angle towards the roof slope lower side. Tie to roof rafters at peak tie to ceiling joists roof rafters to ceiling joists at the eaves. The typical live load placed on a structure s roof varies by the building s use and location and weather is the primary concern.

Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component. Other relevant factors include the type of wood being used for the rafters the size of the rafters and the load that the rafters need to support. No need for purlins it would be a steel beam you would need to use but that is not necessery as it is only a lean to roof. Answered 23rd feb 2011.

The ceiling joists create a truss to begin with i m suggesting adding another member to the truss. Roof decking is often also used as a diaphragm to transfer wind or seismic loads to the lateral bracing system below. This scheme is predicated on achieving serious load carrying connections well thought out and installed a 35 or l clips should to it at all joints. The minimum plywood for roofing.