Title: Case an interior opening.
Course: Carpentry III (17003-III) > Section: Installing Interior Finishes

Casing should include

- keeping the bottom ends of the sides square and resting on the floor
- keeping a margin around the jamb edge
- fitting miters, with no gaps
- ensuring that all nails are set without splitting the trim.

Process/Skill Questions:

- What is a cased interior opening?
- What is the relationship of the floor covering to cased openings?
- What is the significance of the margin casing for the door jamb?