Title: Install strongback (i.e., stiffener or catwalk).
Course: Building Trades II (17009-II) > Section: Carpentry: Framing a Ceiling

Installation should include locating and fastening strongback, according to specifications.

IRC: Chapter 8 (https://codes.iccsafe.org/content/IRC2018P4) covers code-approved and required strongbacks in stick- and truss-roof framing along with gable-end supports.

Process/Skill Questions:

- What is a strongback?
- When is a strongback required? When is a catwalk required?
- What may be the consequences of not having a strongback?
- Where is the strongback located on an engineered building product?

NCCER Standards:

Carpentry Fundamentals: Level 1

- 27106-06 Wall and Ceiling Framing