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Research / Report
ANSI/TPI 1-22 Person Loading Requirements CSR No. 2504
Thursday, July 17, 2025 SBCA Knowledge Center ANSI/TPI 1-2022 has added a new person loading check in Section 6.2.2.5 to represent the occurrence of a person on the chord of a truss. This provision only applies to chords not sheathed with structural wood sheathing.
Research / Report
Fire-Retardant-Treated Wood Use in Type IIIA Buildings CSR No. 2502
Thursday, July 17, 2025 SBCA Knowledge Center This Code Summary Report will discuss the different materials permitted to be used in Type III-A construction, with an emphasis on the use of fire-retardant-treated wood (FRTW).
Research / Report
Code Compliant Fire Resistance for Wood Trusses CSR No. 2501
Thursday, July 17, 2025 SBCA Knowledge Center This Code Summary Report will discuss the requirements of the IBC and provide common approved fire-resistance-rated assemblies.
Technical Paper
Charring of Trusses TF No. 1026
Thursday, April 3, 2025 SBCA Knowledge Center Our home caught fire last month and burned partly through a tongue and groove ceiling to the trusses. Some are charred. Our contractor did a moisture meter test.
Technical Paper
Post Fire Retardant Treatment TF No. 1027
Thursday, April 3, 2025 SBCA Knowledge Center Is a Class A fire rating (provided by our liquid spray-on fire retardant) acceptable in certain situations?
Technical Paper
Fire Damage Assessment TF No. 1030
Thursday, April 3, 2025 SBCA Knowledge Center How do you evaluate whether a metal plate connected truss is still usable after exposure to fire? Are there any recommended tests?
Technical Paper
Trusses Exposed to the Elements TF No. 1047
Thursday, April 3, 2025 SBCA Knowledge Center We are having a house built and on a recent visit we brought along a friend who builds houses for a living. He noticed that the trusses were wet and a bit moldy. The wood seemed warped, brown, and had white splotches on it.
Technical Paper
Metal Connector Plates Peeling TF No. 1066
Thursday, April 3, 2025 SBCA Knowledge Center I am investigating a roof failure in a 22-year-old structure. The connector plates have peeled open like a banana skin in several instances. The teeth do not appear sheared or torn at the wood surface.
Technical Paper
Truss Uplift TF No. 1074
Thursday, April 3, 2025 SBCA Knowledge Center What is truss uplift?
Technical Paper
Comparison of Stick and Component Framing TF No. 1077
Thursday, April 3, 2025 SBCA Knowledge Center Does SBCA produce any products detailing how to market and sell roof and floor trusses to builders for whom stick framing has been the standard way of building? Products that detail the cost savings when compared to traditional stick framing?
Technical Paper
Energy Heels TF No. 1082
Thursday, April 3, 2025 SBCA Knowledge Center What is the definition of an energy heel?
Technical Paper
Bouncy Floor Trusses TF No. 1086
Thursday, April 3, 2025 SBCA Knowledge Center We are experiencing problems with bouncy wood floor trusses. I'm wondering what the industry standard is on deflections (live and total load). Also, do you have any ideas on how to decrease the deflection without affecting the profit margin significantly?