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| Door lock
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Latching device, which secures a door in the closed position. |
| Door post
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Framework surrounding a door opening. Also called a doorjamb. |
| Door pull
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Knob, which does not operate a latching mechanism, that opens and closes a door. |
| Door shoe
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Weather strips at the bottom of a door to seal out the elements. |
| Door sill
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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
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(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
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Also called door casing, this molding is used to trim both door and window opening. |
| Door, bifold
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Door consisting of panels with vertical hinges in the center, so that they can fold back upon themselves. |
| Door, exterior
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Door, which is constructed to be able to be exposed to the outside elements on one or both sides. |
| Door, fire
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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. |
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