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Research / Report
Thursday, July 17, 2025
SBCA Knowledge Center
Design of Truss Repairs DG No. 2501
This design guide will give an overview of the fundamental principles behind truss repair that inform the truss designer’s approach in all truss scenarios.
Research / Report
Thursday, July 17, 2025
SBCA Knowledge Center
Use of Resilient Channel or Hat Channel to Meet the Lateral Restraint Requirements of the Bottom Chords of Metal Plate Connected Wood Truss Floor Systems TSR No. 2501
The question addressed by this research report is how the lateral restraint and diagonal bracing requirements may be met when the gypsum sheathing is not directly attached to the bottom chord.
Research / Report
Thursday, July 17, 2025
SBCA Knowledge Center
ANSI/TPI 1-22 Person Loading Requirements CSR No. 2504
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
Thursday, July 17, 2025
SBCA Knowledge Center
Fire-Retardant-Treated Wood Use in Type IIIA Buildings CSR No. 2502
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
Thursday, July 17, 2025
SBCA Knowledge Center
Code Compliant Fire Resistance for Wood Trusses CSR No. 2501
This Code Summary Report will discuss the requirements of the IBC and provide common approved fire-resistance-rated assemblies.
Technical Paper
Thursday, April 3, 2025
SBCA Knowledge Center
Alternate Nailing Patterns TF No. 1001
Some truss lumber repair nailing patterns call for 16d common nails. Most nail guns do not support 16d nails, but have an equivalent to a 12/10d nail. Is there a substitution guide or ESR report that could help us?
Technical Paper
Thursday, April 3, 2025
SBCA Knowledge Center
Roof Truss Nailing with Hurricane Clips TF No. 1003
If you use hurricane clips to secure roof trusses from uplift, are you allowed to use fewer than the typical three nails in the bearing heel of the roof truss?
Technical Paper
Thursday, April 3, 2025
SBCA Knowledge Center
Attachment of Scissors Trusses TF No. 1004
What is the correct method of attaching scissors trusses to the top plate? I read recently in a trade magazine that this type of truss should be toe-nailed on one end and attached with slotted clips on the other end.
Technical Paper
Thursday, April 3, 2025
SBCA Knowledge Center
Bottom Chord Dead Load TF No. 1010
I have built a 30 ft. x 40 ft. pole barn with nine 30 ft. 2x4 7/12 pitch trusses that are 5 ft. O.C. I am planning to finish out the interior and will attach 7/16 x 4 x 8 OSB sheets to the trusses for my ceiling.
Technical Paper
Thursday, April 3, 2025
SBCA Knowledge Center
Uplift Values on Truss Design Drawings TF No. 1013
I am a building inspector and I have a question on information provided on truss design drawings. What does the uplift reaction number represent?
Technical Paper
Thursday, April 3, 2025
SBCA Knowledge Center
Snow Load TF No. 1015
I am a truss manufacturer in an area of the country that often has some pretty severe winters. What are some of the things that need to be considered when designing for snow loads?
Technical Paper
Thursday, April 3, 2025
SBCA Knowledge Center
