Normally a roof span is the same as the building width between the outer edges of the wall top plates.
Span roofing definition.
Span roof definition a roof having two slopes of equal breadth and pitch meeting at a common ridge.
A roof consisting of two equal sloping sides meaning pronunciation translations and examples.
Information and translations of span roof in the most comprehensive dictionary definitions resource on the web.
Unit rise is a is a snonym for slope or roof slope.
For example a 3 12 roof has a unit rise of 3 of height increase or rise per.
The vertical change in height per unit of horizontal distance or run.