In the context of a door frame, what is the purpose of the head?

The head of a door frame serves the purpose of covering the top of the door opening. This component is essential because it completes the frame structure, providing a finished appearance and helping to protect the interior of the home from elements like water and drafts. By sealing the top of the frame, the head contributes to the overall stability and functionality of the door assembly. This also plays a role in supporting the weight of the door and ensuring proper operation, as a well-fitted head can aid in maintaining alignment and preventing warping over time.

While the other components of the frame—like the vertical sides (jambs)—are crucial for structural support and keeping the door in place, the specific role of the head is distinct in that it is primarily focused on finishing and sealing the door opening at the top.