Title: Identify subfloor sheathing.
Course: Carpentry I (17003-I) > Section: Identifying Elements of Floors

Identification should include

- the physical description of subfloor sheathing
- the function of subfloor sheathing
- orientation of the sheathing (i.e., long dimension perpendicular to the framing)
- the building code reference for the use or installation requirements of subfloor sheathing.

Process/Skill Questions:

- What factors should be considered when determining the type of subfloor sheathing to use?
- What methods should be used to reduce the number of structural problems?
- What are the consequences of improper installation of sheathing?

NCCER Carpentry

General Carpentry, Module 27105 Floor Systems describes the layout and construction procedures for floor systems, including how to read and interpret construction drawings and specifications, and how to identify different types of framing systems, floor system components, and floor system materials. It also covers how to estimate the amount of materials needed for a floor assembly and on some common alternative floor systems.