In the roofing trade the go to term is pitch and it is expressed in terms of 12 inches so the pitch of a roof is determined by how many inches the slope rises for every 12 inches it runs horizontally.
Common roof pitch angles used by builders.
Pitch is the term used to describe the angle slope or slant of your roof.
The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12.
Although there is no single standard roof pitch used on all sloped roofs factors such as roofing materials and local climate help to determine the appropriate range of pitches for a given building.
Or the colon can replace the slash as in 2 12 or 7 12.
Commonly used roof pitches were given names such as greek.
Roof pitch is a measurement of a roof s slope expressed as a ratio.
Roof pitch defined and explained.
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.
Pitch angle incline slope they all can be used to refer to the steepness of a roof.