1 12 Roof Pitch House

1 pitch 1 01 2 pitch 1 02 3 pitch 1 03 4 pitch 1 05 5 pitch 1 085 6 pitch 1 12 7 pitch 1 16 8 pitch 1 21 9 pitch 1 25 10 pitch 1 31 11 pitch 1 36 12 pitch 1 42.

1 12 roof pitch house.

We included a roof pitch chart below the 7 12 example image and the calculator below that. Roof pitch degree table. Since this is a flat roof or nearly flat roof. Arctan 3 12 14 0 the primary purpose of pitching a roof is to redirect water and snow.

The exact roof slope in degrees is given by the arctangent. Image 1 12 to 12 12 roof pitch 7 12 pitch. Think of a classic addams family haunted house with its soaring peaks and you have a picture of a high pitched roof. 1 12 roof pitch angle 4 76 degrees.

Roofs on victorian era houses were often sharply angled with a steep pitch. 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. If a roof rises 1 in a length of 12 this is 1 12 roof pitch.

If this isn t practical then perform the same measurement on the underside of the roof. In degrees 10 2 in 12 or 1 in 6 is considered a minimum. 0 pitch 1 00x the roof area. Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them.

However you can only use this pitch with built up roofing or specialized synthetic roofing. 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. This is one of the rare pitches where the numerator is greater than. You can go by the measurements taken by walking the roof.

The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. Definitions vary on when a roof is considered pitched. Thus pitch is typically greater in areas of high rain or snowfall.