What is Wood Plate?
A wood plate is a horizontal framing member that provides a surface for attaching structural components.
Definition
Purpose
A wood plate ties different framing members together, providing a solid connection. In the wall, it holds the wall studs in position and helps keep the frame aligned during construction. And at the bottom of the wall, the plate rests on the foundation to create a stable base, while the top plate supports the framing above. Similar plates are also used where joists and rafters meet the rest of the structure, helping transfer loads from one member to another.
Examples of Use
- Wall framing: Wall studs are fastened between the top and bottom wood plates to form the wall frame.
- Foundation connection: A mudsill is a wood plate installed directly on the foundation before the walls are built.
- Roof framing: Rafters are connected to the top plate to support the roof structure.
Related Terms
Notes
- Wood plates are typically made from standard wood lumber used for structural framing.
- For bottom plates or mudsills, builders often choose durable wood species or pressure-treated lumber because these members are closest to moisture.
- The size of a wood plate usually matches the width of the wall studs used in the frame.
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