Identify types of door openings.

Identification should include

• dimensions of rough vs. finished openings
• the physical description of door openings
• the function of door openings
• the location of door openings
• the building code reference for the installation requirements of door openings.

Process/Skill Questions:

• Which set of plans identifies the placement of door openings?
• What are the differences in the building code between door opening requirements for commercial and residential use?
• What is the difference between rough opening and finished opening dimensions?

NCCER Carpentry Standards

Level One, Module Six (27111-13): Wall Systems

Module Six (27111-13) describes the procedures for laying out and framing walls, including roughing-in door and window openings, constructing corners and partition Ts, bracing walls, and applying sheathing. The module also includes estimating materials required to frame walls.