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Research / Report
Monday, June 15, 2026
SBCA Knowledge Center
IRC Floor Framing Guard Assembly Support Recommendations CSR No. 2601
Section R502.11 of the 2024 International Residential Code (IRC) includes new floor framing requirements and prescriptive solutions to ensure that lateral loads applied to the guards are adequately resisted.
Research / Report
Monday, June 15, 2026
SBCA Knowledge Center
Person Loading of Chords 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. February 2026, the TPI Technical Advisory Committee issued a Technical Interpretation for this new provision.
Research / Report
Thursday, January 8, 2026
SBCA Knowledge Center
Differential Deflection Recommendations DG No. 2505
When a load is applied to a truss it will deflect. The degree to which the truss deflects is a function of the trusses’ geometry, material properties, span, and applied load. The building code provides deflection limits for individual trusses.
White Paper
Thursday, September 18, 2025
SBCA Knowledge Center
Innovation in the Structural Building Components Industry White Paper
The structural building components industry has operated on the precipice of technological advancements throughout its history.
Research / Report
Wednesday, September 10, 2025
SBCA Knowledge Center
Bracing Requirements for High Compression Force Web Members CG No. 2502
The new BCSI-2025, Guide to Good Practice for Handling, Installing, Restraining and Bracing of Structural Building Components includes some updated prescriptive recommendations.
Research / Report
Wednesday, September 10, 2025
SBCA Knowledge Center
Deflection Limits for Floor Trusses DG No. 2503
Deflection is an important criterion when designing floor trusses. There are circumstances when the deflection requirements for a specific structure that utilizes trusses as structural members are questioned.
Research / Report
Wednesday, September 10, 2025
SBCA Knowledge Center
Use of Cantilevered Sill Plates with Metal Plate Connected Wood Trusses to Align with Varying Thicknesses of Exterior Sheathing DG No. 2504
In certain conditions continuous insulation is installed on the outside of a foundation wall or monolithic downturned slab.
Research / Report
Monday, August 4, 2025
SBCA Knowledge Center
Position Statement on Sealed Truss Placement Diagrams for the International Building Code CSR No. 2401
Position Statement on Sealed Truss Placement Diagrams for the International Building Code
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.
Technical Paper
Thursday, April 3, 2025
SBCA Knowledge Center
Floor Trusses with Masonry Bearing Walls TF No. 1085
We would like to know if there is a problem with using wood floor trusses with masonry bearing walls without a ledger. Our local supplier has told me that encasing the wood truss in the masonry wall could be detrimental to the truss due to moisture.
Technical Paper
Thursday, April 3, 2025
SBCA Knowledge Center
Long Term Performance of Metal Plate Connected Wood Trusses TF No. 1088
How do trussed roofs perform in long-term service? Are there any reports of rusting in the nail plates, rot/insect attack, do-it-yourself modifications, or condensation and ventilation problems in the attic?
Technical Paper
Thursday, April 3, 2025
SBCA Knowledge Center
