Spur

nounStandard termBuilding

A short diagonal brace used to reinforce a structural post or frame.

A secondary structural timber or steel member installed at an angle to stiffen a primary post, beam, or rafter. By tying two intersecting members together, it prevents racking and distributes lateral forces, maintaining the rigidity of the overall framework.

Heard on the job

Nail a spur from the king post to the rafter to stop that roof truss from racking.

Also heard as

  • spur brace
  • strut