Unit rise is a is a snonym for slope or roof slope.
Span roofing definition.
Information and translations of span roof in the most comprehensive dictionary definitions resource on the web.
For example a 3 12 roof has a unit rise of 3 of height increase or rise per.
Normally a roof span is the same as the building width between the outer edges of the wall top plates.
Definition of roof span.
What does span roof mean.
Span roof definition is a common roof having two slopes and one ridge with eaves on both sides.