What does "O.C." stand for when referring to trusses?

The term "O.C." in the context of trusses stands for "On Center," which refers to the spacing of framing members, such as trusses or studs. When constructing a building, it is crucial to provide consistent spacing for structural integrity and ease of installation. The "On Center" measurement indicates the distance from the center of one member to the center of the next, which assists builders and contractors in accurately placing these supports.

Accurate placement is vital for several reasons, including load distribution, alignment of materials, and facilitating connections between components. Standard spacings, such as 16 inches or 24 inches on center, are often specified in building codes and construction practices, making it easier to standardize materials and work processes.

Understanding this terminology is essential for anyone involved in construction or structural design, as it lays the groundwork for ensuring safety and reliability in building projects.