1 2 Pitch Roof

Roof pitch designations are comprised of two numbers indicating a ratio.

1 2 pitch roof.

Most roof s have a pitch in the 4 12 to 9 12 range. The table below shows common roof pitches and the equivalent grade degrees and radians for each. Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them. 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.

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. Roof pitch defined and explained. Pitch is the term used to describe the angle slope or slant of your roof.

Roofing terminology for roof pitch are. The examples below provide visual examples of roof pitch. To determine your roof pitch calculator. What is a roof pitch examples.

Historically roof pitch was designated in two other ways. 5 12 roof pitch 22 angle 22 62. To see roof pitch to degrees equivalents. Or the colon can replace the slash as in 2 12 or 7 12.

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 ridge height is 1 9 to 1 7th the span an angle of 12 5 to 16. Roof slope roof angle and pitch degrees. 4 12 roof pitch 18 angle 18 43 degrees details.