Floor Framing

In this overview of residential floor framing practices, you will learn about the application and limits of various floor framing materials, including dimensional lumber joists, I-joists, floor trusses, and subfloor panels.

Learning Objectives

At the conclusion of this lesson, you will be able to:

• Compare dimensional lumber joists to I-joists
• Define span
• Define deflection
• Describe the advantages and drawbacks of I-joists
• Describe how a floor truss transfers building loads
• Identify common subfloor materials
• Summarize best practices for sheathing floors

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