The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12.
Common roof pitch angles used by builders.
Or the colon can replace the slash as in 2 12 or 7 12.
Roof pitch designations are comprised of two numbers indicating a ratio.
Historically roof pitch was designated in two other ways.
A ratio of the ridge height to the width of the building span and as a ratio of the rafter length to the width of the building.
Commonly used roof pitches were given names such as greek.
The ridge height is 1 9 to 1 7th the span an angle of 12 5 to 16.
Pitch is the term used to describe the angle slope or slant of your roof.
Pitch angle incline slope they all can be used to refer to the steepness of a roof.
Roof pitch is a measurement of a roof s slope expressed as a ratio.