Figure The Pitch Of A Roof

Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot.

Figure the pitch of a roof.

As aforementioned there is no standard pitch of a roof. Technically roof pitch is the ratio of total vertical roof height the rise to total horizontal distance from wall to wall the span. There is no standard universal roof pitch roof pitch varies depending on culture climate style and available materials in the usa the range of standard pitches is anywhere between 4 12 and 9 12 in the uk the typical house has a pitch between 40 50 although 45 should be avoided. You write the pitch assuming a run of 12 inches thus the ratio would describe how much a roof rises for each foot of the run.

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. Contemporary houses often have flat roofs which shouldn. If you are trying to learn how to measure roof pitch calculations accurately you should really consider the importance of using a calculator. If you are trying hard to work out how to figure roof pitch measurements the calculator takes away all of those problems for you more or less instantly.

But the most commonly used pitches range between 4 12 and 9 12. How do you calculate the slope of a roof. Although most homeowners do not need to measure pitch it still pays to understand this term. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.