A vertical framing member that forms the skeleton of a wall. Supports sheathing, drywall, and loads from above.
Stud
A shorter stud placed under a header to transfer load to the sole plate.
Jack Stud
The panel material (e.g., plywood or OSB) attached to the outside of a frame, providing structural rigidity and a base for siding
Sheathing
A tool or concept ensuring horizontal alignment.
Level
A heavy horizontal structural element designed to carry significant loads.
Beam
A horizontal framing member in a wall. Comes in different types (e.g., sole plate, top plate).
Plate
Short framing members filling gaps under openings (e.g., window sills) or above headers.
Cripple
The process of marking where studs, openings, and other elements will be placed on plates or sheathing.
Layout
Refers to vertical alignment; lines are perfectly straight up and down.
Plumb
The horizontal member at the bottom of a window opening or other structure.
Sill
The bottom horizontal board of a wall frame, resting on the floor.
Sole Plate or Bottom Plate
A horizontal structural member over an opening (e.g., door, window) to transfer the load around the opening.
Header
A board or strip that provides a surface for attaching finish materials like trim or drywall.
Nailer
A 90-degree angle or the tool used to check and ensure right angles during framing.
Square
A diagonal framing member that adds stability and strength to the wall.
Brace
The horizontal board at the top of a wall frame that ties the studs together and supports the load above.
Top Plate
The framed opening in a wall where doors, windows, or other fixtures will be installed.
Rough Opening
Overlapping boards used for exterior sheathing or decorative wall finishes, creating a tight joint.
Shiplap
A tool used to snap straight lines for reference during construction.
Chalk Line
Hardware used to secure components together, such as nails, screws, or bolts.
Fastener
A full-height stud that supports a header in a framed opening like a door or window.
King Stud
Short pieces of wood installed between studs for support, bracing, or to attach other elements.
Blocking
A thin piece of material used to level or align construction elements during installation.
Shim
A horizontal framing member supporting floors or ceilings.
Joist
A shortened framing member placed on the sides of an opening to support the header.
Trimmer