12 12 Roof Pitch

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

12 12 roof pitch.

Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof. Roof pitch designations are comprised of two numbers indicating a ratio. Conventional forms range from 4 12 9 12 and steep slope roofing is more than 9 12 and requires extra fasteners. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12.

Roof pitch defined and explained. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot. A roof with a 6 rise for every 12 run has a 6. Pitch is the term used to describe the angle slope or slant of your roof.

Roofing terminology for roof pitch are. A 12 12 roof pitch can also be expressed as 12 over 12 and when you re talking to a roofer this is the most common way you ll hear it explained because it s easy to say in conversation. The exact roof slope in degrees is given by the arctangent. To determine your roof pitch calculator.

The steep roof of the tropical papua new guinea longhouse for example sweeps. The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed. Another way to express a 12 12 pitch is 12 and 12 in this pitch the first twelve is your roof s rise and the second twelve is the roof s run. Roof pitch is a term describing how steep or flat your roof slope is.

Roof pitch is used to describe the slope or angle of the roof. The examples below provide visual examples of roof pitch. Thus pitch is typically greater in areas of high rain or snowfall. 1 12 roof pitch angle 4 76 degrees.

Or the colon can replace the slash as in 2 12 or 7 12. If a roof rises 1 in a length of 12 this is 1 12 roof pitch. Roof pitches 4 12 thru 12 12. Pitch has a basic range but it s not uniformly defined however the range from flat that is not perfectly flat but is sloped in order to drain water is up to 12 2 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. Roof slope roof angle and pitch degrees.