Install a prehung interior door unit.

Installation should include

• hanging the door square, level, and plumb, with side jambs straight-edged
• applying adequate shims on all jambs
• ensuring that the door makes contact with the stops
• ensuring that the clearance margin between the door and the jamb is consistent.

Process/Skill Questions:

• What determines a right-hand or a left-hand door?
• What are examples of prehung units?
• What are the key fastening points for prehung interior door units?

NCCER Carpentry Standards

Level Two, Module Six (27208-13): Doors and Door Hardware

Module Six (27208-13) describes the installation of metal doors and related hardware in steel-framed, woodframed, and masonry walls, along with their related hardware, such as locksets and door closers. A discussion on the installation of wood doors, folding doors, and pocket doors is also presented.