Latching device, which secures a door in the closed position.
Door post
Framework surrounding a door opening. Also called a doorjamb.
Door pull
Knob, which does not operate a latching mechanism, that opens and closes a door.
Door shoe
Weather strips at the bottom of a door to seal out the elements.
Door sill
Part of an exterior door that runs the full depth and width of the casing on the bottom portion, from the inside to the outside.
Door threshold
(1) A length of wood, masonry, etc. along the bottom of a doorway. (2) Entrance to a building or room. (3) The beveled wood or metal strip over the sill of an exterior door. (4) The beginning point of something.
Door trim
Also called door casing, this molding is used to trim both door and window opening.
Door, bifold
Door consisting of panels with vertical hinges in the center, so that they can fold back upon themselves.
Door, exterior
Door, which is constructed to be able to be exposed to the outside elements on one or both sides.
Door, fire
A door designed to resist the passage of fire. Fire doors are rated by the amount of time they can resist the penetration of fire with the time ranging from one-half to three hours. Fire doors are used to close openings in firewalls, so that the door area is no more vulnerable to fire than the wall.
