Roof Slope Finder

Roof pitch calculator results explained.

Roof slope finder. How do you calculate the slope of a roof. Then multiply the slope by 12 to get the rise. If you know the angle of the roof in degrees you can find the roof pitch by converting the angle in degrees to a slope then finding the rise by multiplying the slope by 12. Rafter rise run 1 5 6 2 25 36 38 25rafter 38 25 6 18 m.

Pitch rise run 1 5 6 25. This is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares. Slope the slope of a roof is represented as x 12 where x is the number of inches in rise for every 12 inches of run. Use a level against the underside of the rafter you re measuring to get the most accurate value.

Even if you want to use a flat roof pitch calculator system you will be able to find one. The most precise way to find the roof s slope is by measuring it from the underside. Measure the rise of your roof. Some sources consider low slope to include 3 12 pitch roofs.

Locate the level s 12 inch mark. This will allow your project to carry the depth and detail in the roof that you wanted as well as make sure that it will maintain a sturdy and effective nature throughout. First find the slope by finding the tangent of the degrees eg. Calculate the roof pitch as the proportion of rise and run.

Slopes greater than 18 12 are found on a frame roofs and some mansard style. If you want to know how to find the pitch of a roof then start with a calculator. If asphalt shingles are to be installed on a low slope roof special steps are required to avoid short roof life and roof leaks. Low slope roofs are from 0 to 3 12 in pitch.

See low slope roofing. Access one of the rafters then take.