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.

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. 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. 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. 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. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.

Commonly used roof pitches were given names such as greek. Or the colon can replace the slash as in 2 12 or 7 12. Roofing terminology for roof pitch are. 5 12 roof pitch 22 angle 22 62.

Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them. To see roof pitch to degrees equivalents. Roof pitch designations are comprised of two numbers indicating a ratio. Roof pitch defined and explained.

What is a roof pitch examples. To determine your roof pitch calculator. The table below shows common roof pitches and the equivalent grade degrees and radians for each. Historically roof pitch was designated in two other ways.