Jamb:

* Angle – vertical track fastened to the door jamb, uses full height continuous angle
* Bracket – an L-shaped bracket that is used to connect the vertical track to the jamb
* Guard – additional protection for the back of the vertical track; recommended for powered forklifts and other such equipment in an operating area
* Seal – for the edge of the door to protect against weather and light infiltrations; typically nailed to the jamb outside of the door
* Extension – needed for the support of the door track and spring assemblies; frames the extensions of the door jambs above the opening height