For example a 3 12 roof has a unit rise of 3 of height increase or rise per.
Span roofing definition.
Span roof definition a roof having two slopes of equal breadth and pitch meeting at a common ridge.
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.
Normally a roof span is the same as the building width between the outer edges of the wall top plates.
Span roof definition is a common roof having two slopes and one ridge with eaves on both sides.
What does span roof mean.