What does the term "Truss Span" refer to in the context of roofing?

"Truss Span" specifically refers to the distance between the supports for roof trusses. This measurement is critical because it determines how the weight of the roof is distributed and supported by the underlying structure. Proper understanding of the truss span is essential for ensuring structural integrity and stability, as it influences the design choices related to the size and spacing of trusses, and ultimately affects the overall load-bearing capacity of the roofing system.

In roofing design, the span where the trusses are installed must account for various factors, such as materials used, anticipated loads (including live loads like occupancy and snow, and dead loads like the weight of the roof itself), and local building codes. An appropriate truss span will ensure that the roof can adequately support these loads without failure. This understanding is fundamental for architects, builders, and engineers involved in construction and design.