What construction feature is often included at the top part of a hinge door frame?

The header is a crucial construction feature located at the top part of a hinge door frame. Its primary function is to support the structure above the door opening, distributing the weight of the wall above and transferring load to the vertical supports, known as the jambs. This element is typically horizontal and ensures the stability and structural integrity of the door frame, allowing for safe and seamless operation of the door.

Understanding the role of the header is important, as it is integral to the overall architecture of the door frame. It aids in maintaining proper alignment and function of hinges, ensuring that the door swings freely and fits correctly within the frame. This structural component also typically accommodates the door's hardware, such as hinges or electric strike plates, contributing further to the door's functionality.

Other options, while related to door frames, serve different purposes. The threshold is positioned at the base of the door frame and is meant to provide a surface for transition between rooms or between the interior and exterior. The jamb is the vertical portion of the frame that holds the door in place and is not situated at the top. The baseboard is typically a finishing element found at the bottom of walls, rather than a functional part of the door frame itself.