How Do You Figure Out Roof Pitch

For more complex roofs you may need to calculate it section by.

How do you figure out roof pitch.

First measure 12 inches from one end of the level and make a mark. Take the measurement of the vertical. Take a measurement of 12 inches using a level. Before taking any measurements you must first confirm that it s safe to walk on your roof.

How to calculate roof pitch. Another method to find the roof pitch is to go into the attic and measure the rise. Pitch tan angle where angle is the roof pitch expressed in degrees. For a roof with the ridge above one wall the span is the same as the run.

Measure from the roof. Rafter rise run from the pythagorean theorem. Place the end of your level the 0 inch point of your 12 marking against the roof surface. For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally.

The slope is the same as the pitch. Here s an easy safe way to determine the pitch from inside your attic. Rise run pitch where pitch is expressed in percent. This is the amount your roof inclines in a 1 foot span or the pitch of your roof.

Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. Hold the level straight and level bubble centered and then measure the vertical distance down from the your 12 mark on the level down to the roof. Even if you want to use a flat roof pitch calculator system you will be able to find one.

If you want to know how to find the pitch of a roof then start with a calculator. One method to find the pitch is to climb on the roof and measure the rise for a 12. Measure from the attic. How to calculate the pitch of a roof method one.