Carpenter Red Seal Exam Prep · Question
A carpenter is installing roof trusses. What is the primary purpose of temporary lateral bracing (e.g., strongbacks) during truss installation?
Temporary lateral bracing is critical to prevent individual trusses from buckling or toppling over due to wind or accidental impact during installation and befo
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Question: A carpenter is installing roof trusses. What is the primary purpose of temporary lateral bracing (e.g., strongbacks) during truss installation?
Answer options:
- To support the roof sheathing before it is fully installed. ✅ To prevent bowing or buckling of the trusses from wind or other forces before permanent bracing is in place.
- To secure the trusses to the top plates before final nailing.
- To establish the correct spacing between adjacent trusses.
Correct answer: To prevent bowing or buckling of the trusses from wind or other forces before permanent bracing is in place.
Explanation: Temporary lateral bracing is critical to prevent individual trusses from buckling or toppling over due to wind or accidental impact during installation and before the full roof diaphragm (sheathing and permanent bracing) is complete. It provides stability to the entire truss system.
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