What Is My Roof Pitch

This means if a roof rises 4 in the length of 12 your roof pitch would be 4 12 or 18 43 degrees.

What is my roof pitch.

A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. It always makes sense to the standard roof pitch angle spot on as the benefits of doing so are quite obvious. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot.

In the uk the typical house has a pitch between 40 50 although 45 should be avoided. Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run. Roof pitch is expressed as a ratio of the amount of the roof s vertical rise over a corresponding horizontal distance called the run pitch is written assuming a run of a foot or 12 inches so the ratio describes how much the roof rises for every foot of its run. Roof pitch varies depending on culture climate style and available materials.

If you want to know how to find the pitch of a roof then start with a calculator. There is no standard universal roof pitch. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. On blue prints architects engineers usually display the pitch of a roof in the format shown on the image where number 4 represents a rise and number 12 represents a length.

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. You can also estimate a roof pitch by eyeballing it from the ground from the gable side with a level and ruler. It is often compared to slope but is not exactly the same. In the usa the range of standard pitches is anywhere between 4 12 and 9 12.

For example if you used a 24 inch level and your measurement was 12 inches the pitch in your roof is 6 in 12. A a roof with a 6 rise for every 12 run has a 6 per foot or 6 in 12 pitch. To accurately calculate the area of your roof you must first determine its slope or pitch. Technically roof pitch is the ratio of total vertical roof height the rise to total horizontal distance from wall to wall the span.

Divide the results by the number of 12 inch segments in your level. Roof pitch and corresponding angles. Even if you want to use a flat roof. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches.