How Do You Figure Out Roof Pitch

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

How do you figure out roof pitch.

The slope is the same as the pitch. Measure from the roof. Rafter rise run from the pythagorean theorem. 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.

How to calculate the pitch of a roof method one. Here s an easy safe way to determine the pitch from inside your attic. How to calculate roof pitch. Pitch tan angle where angle is the roof pitch expressed in degrees.

First measure 12 inches from one end of the level and make a mark. Position your level against the roof until the bubble of the vial sits between two lines. Another method to find the roof pitch is to go into the attic and measure the rise. Take a measurement of 12 inches using a level.

This is the amount your roof inclines in a 1 foot span or the pitch of your roof. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. Take the measurement of the vertical. Measure from the attic.

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

Even if you want to use a flat roof pitch calculator system you will be able to find one. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. Before taking any measurements you must first confirm that it s safe to walk on your roof. If you want to know how to find the pitch of a roof then start with a calculator.