Building Walls and Components

Front

What are the purposes of walls in buildings?

Back

To support roofs, floors, and ceilings; to enclose a space as part of the building envelope; to provide shelter and security; and to house utilities such as electrical wiring or plumbing.

Front

What is a wall in building construction?

Back

A structural element used to divide or enclose, forming the periphery of a room or building.

Front

What is a wall system?

Back

A combination of materials and components designed to create a barrier separating an interior space from the outside, essential for division of space, structural stability, and improving thermal and acoustic performance.

Front

What is a header in building construction?

Back

A single member composed of two or more wood members, securely attached together, used to transfer loads above openings.

Front

What is a top plate?

Back

The upper horizontal framing member of a stud wall, typically the same width as the studs and bottom plate, made of stress-graded dimensional lumber.

Front

What is a jack stud?

Back

A vertical structural element that sits below and supports a header, transferring its loads downward to the bottom plate and foundation.

Front

What is a king stud?

Back

A vertical structural element placed adjacent to a framed opening, such as a door or window, the same length as common studs.

Front

What is a cripple stud?

Back

A stud located either above or below a framed opening that does not run the full height of the wall.

Front

What is a bottom plate?

Back

The lowest member of the wall frame, attached directly to the floor system, and may be the same section as the common stud where a stud lands over a floor joist.