Understanding the Components of Shutter Doors

If you are replacing a door or preparing for a new build, and all the technical jargon is overwhelming, we have you covered. This article breaks down every part of a door so you understand the vocabulary and how all the parts and pieces come together. 

Understanding the basic parts of a door shutter makes it easier to talk with contractors and dealers to find the right door for your project.

• Door Frame
  The door frame consists of several components, including the side jambs, head jamb, and mullions. While most residential doors are made of wood, they can also be crafted from materials like aluminum, fiberglass, or composites. Door frames are typically available pre-primed for painting, but they can also be ordered with factory-applied finishes in a variety of colors.

 

• Head Jamb
  The head jamb refers to the horizontal top section of a shutter door or window frame.

 

• Door Jamb vs. Door Frame
  A door jamb is a single vertical element of the door frame. The frame is made up of two vertical side jambs and the horizontal head jamb at the top. Together with the mullion, these parts form the complete door frame.

 

• Mullion (Mull)
  A mullion is the vertical seam or divider between two windows or between a door and a window when they are joined together. This seam is often covered with trim known as a mull casing to hide the connection.

 

• Sill
  The sill is the bottom part of a shutter door frame, positioned where the door is sealed and secured to the floor. Sills are only present on exterior doors, such as those leading to the outside or a garage.

 

• Threshold
  A threshold is a protective covering for the sill, often sloped outward to divert water. It is typically made from durable materials like metal or fiberglass to withstand frequent foot traffic.

 

• Sidelights
  Sidelights are tall, narrow windows that are positioned beside a door, either on one or both sides. These windows allow more natural light into entryways and enhance the view, contributing to a more inviting and bright entrance.

 

• Brick Mold
  The brick mold is an exterior trim that covers the gap between the window or door frame and the surrounding exterior wall. It is thicker than typical interior trim and helps buffer the window or door from the brick or other cladding materials. Brick molding can be made from wood, aluminum, PVC, fiberglass, or composite materials. It also serves as the attachment point for a storm door or screen door.

 

• Weatherstripping
  Weatherstripping is used to seal the gaps between the door frame and the door panel on exterior doors. It is typically made from flexible, durable materials like silicone rubber or foam to prevent drafts and improve energy efficiency.

Bottom Line 

Hence, these are the components of a door shutter that you must consider when buying one for your space. Understanding the functions will allow you to choose the right one for you.

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