Title: Install pre-hung exterior door units.
Course: Carpentry III (17003-III) > Section: Installing Exterior Doors and Windows

Installation should include

- hanging the door square, level, and plumb, with side jambs straight-edged
- applying shims at each hinge and at three locations on the lock side of the jamb
- ensuring that the door contacts its stops
- ensuring that the clearance margin between door and jamb is consistently to within +/- 1/16 inch.

Process/Skill Questions:

- How can an out-of-level head jamb affect the operation of a door?
- What are the most critical fastening points on jamb installation?

NCCER Carpentry
Adv. Carpentry, Module 27208: Doors and Door Hardware

Describes the installation of metal doors and related hardware in steel-framed, wood-framed, and masonry walls, along with their related hardware, such as locksets and door closers. Also discusses the installation of wood doors, folding doors, and pocket doors.