SBCA Knowledge Center

Technical Paper

Thursday, April 3, 2025 SBCA Knowledge Center

Allowable Quality Tolerances TF No. 1067

What tolerances are allowed for metal plate connectors in wood trusses? How do you take into account the possible presence of splits, waves and knots?

Technical Paper

Thursday, April 3, 2025 SBCA Knowledge Center

Allowable Variances in Trusses TF No. 1089

My framers are always complaining that the “trusses are bad.”

Technical Paper

Thursday, April 3, 2025 SBCA Knowledge Center

Shimming or Shaving Variances in Truss Dimensions TF No. 1103

If you have the condition where you are out by the max tolerances of 1/2 in., how do you correct the situation? Do you shim the truss from the bottom? Shim from the top? I will assume you do not shave the truss off.

Technical Paper

Thursday, April 3, 2025 SBCA Knowledge Center

Manufacturing Tolerances TF No. 1104

I am a structural engineer on a project with a wood trussed roof. I have noticed some variations in the peak height in a run of identical trusses. Do you have any information on tolerances for the final dimensions of manufactured trusses?

Technical Paper