1 2 Pitch Roof

5 12 roof pitch 22 angle 22 62.

1 2 pitch roof.

The examples below provide visual examples of roof pitch. The table below shows common roof pitches and the equivalent grade degrees and radians for each. Roof pitch designations are comprised of two numbers indicating a ratio. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.

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. Roof slope roof angle and pitch degrees. Roofing terminology for roof pitch are. Roof pitch defined and explained.

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. Pitch is the term used to describe the angle slope or slant of your roof. Historically roof pitch was designated in two other ways. Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them.

Commonly used roof pitches were given names such as greek. To see roof pitch to degrees equivalents. 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. 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.

4 12 roof pitch 18 angle 18 43 degrees details. Most roof s have a pitch in the 4 12 to 9 12 range. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. The ridge height is 1 9 to 1 7th the span an angle of 12 5 to 16.