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What are the different parts of a door?

Thursday May 23rd, 2019

Doors are the epitome of functional art. Different doors function for different purposes, and boy are there a ton of door options to choose from. There are front doors, exterior doors, man doors, french doors, dutch doors, sliding barn doors, interior doors, double doors, doors with sidelights, doors with transoms, all glass doors and more! This list of door styles grows much deeper when you label the parts and pieces of each unique door. Door brickmold, door threshold, door bore, and door sweep?  It sounds like another language we are speaking here! Essentially we are, and to make it easier to learn "Doors as a second Language" let's get started with some basics and dive deeper into the parts of a door.


A. Slab:

When referring to the actual door, without referring to how it swings, slides on barn door rollers or pivots out, the slab is just the door part without anything else. Now, if you add hinges for example to this door, it is a hinged slab or swinging slab door.

A1. Door Slab Hinge Prep:

A door slab needs hinges or barn style rollers to function. For a hinged or swinging door you need to prepare the door for hinges to be installed. Typically, 3 hinges are installed on the left or right sides of the door slab. Hinge prep refers to installing the hinges, and at the exact location they should be installed at.

A2. Bore:

A door bore refers to the hole that is drilled or "bored" into the door slab to accommodate a deadbolt or a door knob. There are several options for where to bore the hole in your door slab but the most typical options are at 2 3/8" and 2 1/4" from the edge of the door.

A3. Door Bottom/Sweep:

The very underneath part of a door is referred to as the door bottom or door sweep. If you bent over and looked up at the door from the floor, that is the door bottom. A door sweep is typically installed just before the door bottom and allows the door to sweep back and forth smoothly as it is opened and shut over and over.

B. Jamb:

The jamb of a door is each of the two upright parts of a doorframe, on one of which the door is hung. Jambs and door frames can be made of composite wood , solid wood, metal, and heavy dusty plastic composites.

B1. Stop:

A door stop refers to the horizontal piece of wood or metal installed onto the underside of the door jamb and stops the door as it closes.

B2. Threshold:

The door's threshold is a wood or metal piece that runs horizontally across the bottom of the door frame opposite the door stop. A threshold is an important factor in the energy efficiency of a home or building as it is installed on the very bottom of the door jamb and seals the gap between the floor or bottom of the door and the door itself. 


B3. Weather stripping:

The door will allow wind and water inside if it doesn't have weather stripping on it. Weather stripping keeps the draft out and seals around the door.

B4. Door Jamb Hinge prep:

Just as the door slab needs to be prepared to install the hinges onto it, the door jamb also needs hinge preparation for installation. This hinge installation prep is typically done with a door hinging machine which cuts out the exact door hinge notches. If not done by machine, a fine carpenters chisel is used to create the hinge notch.

B5. Strike plate prep:

When the door knob is used it has a small tongue on the horizontal side that depresses in and out of a strike plate found on the door jamb or on another door if it is a double door. The strike plate is notched out using a machine or a carpenters chisel.

B6. Brickmold:

The brickmold on a door is the molding used around the door and found between the wall and the door itself. It fills the gap between where the door and the masonry or wall of the house meet. Brickmold is typically made of solid wood or composites and is often referred to as the trim of a door. It really has nothing to do with bricks or masonry at all.

Now that you're versed in your new language, you're ready to put it into practice by ordering a new, beautiful door for yourself. Click here to see our vast array of options available now.
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