Common Roof Pitch Angles Used By Builders

Pitch angle incline slope they all can be used to refer to the steepness of a roof.

Common roof pitch angles used by builders.

The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. Roof pitch defined and explained. Pitch is the term used to describe the angle slope or slant of your roof. Roof pitch designations are comprised of two numbers indicating a ratio.

The ridge height is 1 9 to 1 7th the span an angle of 12 5 to 16. 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. 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.

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.