1 2 Pitch Roof

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.

1 2 pitch roof.

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. Or the colon can replace the slash as in 2 12 or 7 12. Roof slope roof angle and pitch degrees.

A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely makes the cut off for one of the most popular roofing material options. Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. A pitch over 9 12 is considered a steep slope roof between 2 12 and 4 12 is considered a low slope roof and less than 2 12 is considered a flat roof.

What is a roof pitch examples. 4 12 roof pitch 18 angle 18 43 degrees details. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7.

The examples below provide visual examples of roof pitch. Roof pitch designations are comprised of two numbers indicating a ratio. To determine your roof pitch calculator. Pitch is the term used to describe the angle slope or slant of your roof.

5 12 roof pitch 22 angle 22 62. Most roof s have a pitch in the 4 12 to 9 12 range. Roofing terminology for roof pitch are. Historically roof pitch was designated in two other ways.