Typically, frame leg spacing and bow/truss spacing are 4-5 feet on center for single-wide buildings (up to about 12 feet wide) and double-wide buildings (up to 24 feet wide). For a triple-wide building, the frame legs and roof trusses will be anywhere from 3’ to 54” on center. That being said, if you’re looking for exact measurements, simply reach out to Steel Carports so we can provide those for you.