Door Frame Sections

Door Frame Sections: Side jambs, head jambs, and mulls are the parts that make up the frame. Residential door frames are most often made of wood but can also be made of aluminum, fiberglass, or a composite material.

Door Frame

The door frame is a framework that supports the door. It includes side jambs, sill, and head jambs. Most of the time Wooden or timber material is used for residential door frames. Nowadays, composite materials, fiberglass, and aluminum are also used for door frames.

A door Frame can be defined as a simple assembly of vertical and horizontal members that form an enclosure to which the door can fix.

The door frame provides a border to the door which makes the door more attractive or beautiful. According to the size of the opening, the size of the frame has been decided.

The cost of the frame is depending on the size of the frame with increasing size the cost of the frame is also increased. The door frame has various parts every part has its own importance.

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Door Panel

The door panel makes your door frame look complete. Smaller panels go between the stiles, rails, and mullions to create a complete structure. Also known as a slab, it fills the frame built by the rails and stiles of the door.

Door panels are the fundamental components of the door that swings back and forth. Wood or glass panes are ideal options for the door panel section. Glass panes are typical in double doors. They add a decorative element to your exterior doors. Using glass enhances the curb appeal and allows interior doors to let in more light.

Main Parts of a Door Frame

  • Door Casing Trim
  • Head Jamb
  • Strike Plate
  • Threshold
  • Transom
  • Weather Strip
  • Jack Studs
  • Door Latch
  • Door Header
  • Doorstop
  • Door Jamb
  • Frame Reinforcer

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Parts of a Door – the Basics


An architrave is a piece of wood that goes around the door frame to cover the gap between the wall and the door frame. Often selected for decorative purposes.


Beading is only found on glazed doors. It’s the piece of wood that surrounds the glazing to hold the glazing in place.


The wooden framework that sits over the edge of the door frame. This is what architraves will be fitted around. Also known as door lining.

Door Frames:

This is the frame the door sits flush in. The hinges are installed on the frame.

Door Lining:

Another name for door casing, perhaps more common, it’s the wooden framework that sits over the edge of the door frame.


A door jamb is one part of a whole door frame. It refers to whichever side the hinges are mounted on.

Different Parts of a Door Frame

A door frame is attached to the opening in which a door is to be fixed; it gives a border for the door. The door frame is the associate to which a door is fixed or hung. The door frame consists of an assembly of horizontal and vertical members which are placed at the top, bottom and sides of an opening so as to form an enclosure providing support for a door.

Generally, the door frame is made of wood. However, the recent development has made the granite, marble, metal, aluminium, and precast concrete frame more popular and famous. Stones, when applied in full width of the wall, looks neat, clean and gorgeous and also easy to maintain.

Frame consists of almost 50 % or even more of the total consumption of wood while making a door. Hence, wooden frame turns out to be very costly and hence are not much in use now. Granite or other natural stones like polished Kota or Jaisalmer stone have become popular basically, due to its less cost. Stones do not decay due to moisture and termite and are insect free, and do not need frequent paint or polishing.

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The Parts of a Door You Can't See

The structural parts of the door frame are constructed as part of the wall and are hidden by the wall covering. They include the following:

King studs extend from floor to ceiling on either side of the opening. Their spacing determines the width of the rough opening. Jack studs extend from the floor to the top of the door opening. Also known as trimmers, they're attached to the sides of the king studs that face the door opening.

Their purpose is to support the header. The header is the horizontal piece of lumber that forms the top of the frame. Its thickness matches the stud width (2x4, 2x6, etc.), and its width may be anywhere from 2 to 12 inches, depending on the load above that it has to support. Cripple studs are short lengths of 2x4 lumber that extend from the header to the top plate of the wall. They too are there to support the load over the door.

Pub: 29 Apr 2023 07:37 UTC
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