a "wall plate" typically refers to a horizontal structural element that is placed on top of a wall to support other components of the building, such as roof trusses or joists. Wall plates are usually made of timber or metal and serve as a critical interface between the wall and the roof structure. They help distribute loads evenly across the wall and provide a stable base for the construction of the roof.

In timber-framed construction, wall plates are often secured to the top of the wall studs and are essential for maintaining the structural integrity of the building. They ensure that the loads from the roof are transferred effectively to the walls and down to the foundation. Proper installation and alignment of wall plates are crucial for the overall stability and safety of the structure.

In commercial projects, where steel framing might be more common, the term "wall plate" might still be used, but the materials and specific design considerations can vary based on the structural requirements and the type of construction system being employed.