How To Work Out My Roof Pitch

For a roof with the ridge above one wall the span is the same as the run.

How to work out my roof pitch.

You ll need a level that is 12 or longer and a tape measure. For more complex roofs you may need to calculate it section by. If you want to know how to find the pitch of a roof then start with a calculator. Before taking any measurements you must first confirm that it s safe to walk on your roof.

One method to find the pitch is to climb on the roof and measure the rise for a 12 run. Roof pitch calculator results explained 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. Take a measurement of 12 inches using a level. For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally.

This is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares. Rafter rise run 1 5 6 2 25 36 38 25rafter 38 25 6 18 m. Measure the rise of your roof. Calculate the rafter length substituting these values into the following formula.

On the roof hold the level perfectly level and measure the height from the roof to the level 12 inches away from where the level touches the surface this will be the rise. Let s say it is equal to 1 5 m. Even if you want to use a flat roof pitch calculator system you will be able to find one. Calculate the roof pitch as the proportion of rise and run.

The slope is the same as the pitch. With the help of these roof pitch degree calculator programs you can make sure that your home is nice and balanced. Position your level against the roof until the bubble of the vial sits between two lines. Pitch rise run 1 5 6 25.