Bearing Wall Section

Purpose of Drawing

The bearing wall drawing is a key component of the permitting process. Permit authorities typically want to see the elevations, post plan, and bearing wall section in order to issue a permit.

Truss Supports

Buildings designed with purlins laid flat will have trusses not supported by posts. These trusses rest on #1 dimensional lumber called truss supports. The truss support must be strong enough to support the roof live and dead loads for the jobsite conditions. The truss support fastening detail includes the quantity and type of fastener to be used for those connection points.

Stub posts are inserted between plies of truss supports to fasten and secure intermediate trusses in place. A stub post can be dimensional lumber or foundation post stubs.

Truss to Post Connection

The truss support should extend 1 1/2" beyond the corner posts to provide a ledge for the end trusses to sit on. End trusses are scabbed to the outside of the posts (no notching) and nailed to all endwall posts at intersection points.

Common trusses in the interior are notched into the post where possible and sit full bearing on the post. Those trusses between posts are attached using stub posts as previously described.

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