How Do You Figure Out Roof Pitch

If you want to know how to find the pitch of a roof then start with a calculator.

How do you figure out roof pitch.

Even if you want to use a flat roof pitch calculator system you will be able to find one. One method to find the pitch is to climb on the roof and measure the rise for a 12. How to calculate the pitch of a roof method one. 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.

Position your level against the roof until the bubble of the vial sits between two lines. For a roof with the ridge above one wall the span is the same as the run. For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally. Rafter rise run from the pythagorean theorem.

Before taking any measurements you must first confirm that it s safe to walk on your roof. First measure 12 inches from one end of the level and make a mark. For more complex roofs you may need to calculate it section by. Pitch tan angle where angle is the roof pitch expressed in degrees.

The slope is the same as the pitch. Measure from the attic. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. This is the amount your roof inclines in a 1 foot span or the pitch of your roof.

Measure from the roof. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. How to calculate roof pitch. Take a measurement of 12 inches using a level.

Check the surface of the. Another method to find the roof pitch is to go into the attic and measure the rise. Take the measurement of the vertical. Here s an easy safe way to determine the pitch from inside your attic.