Measure A Roof Pitch

The slope is the same as the pitch.

Measure a roof pitch.

Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. Using ruler and tape you can do it anyway of these ways. Generally roof pitch is calculated from the same formula that describes a right triangle. How to calculate roof pitch.

Placing a ladder near the roof you will put a level a foot or so up on the roof hold it level and measure from the. How to calculate the pitch of a roof method one. For a roof with the ridge above one wall the span is the same as the run. Measure from the roof.

One method to find the pitch is to climb on the roof and measure the rise for a 12. Rise run pitch where pitch is expressed in percent. For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally. Another method to find the roof pitch is to go into the attic and measure the rise.

On a ladder at the walled part of the pitched roof place the level against the roof overhang rafter with the 12 inch. As aforementioned there is no standard pitch of a roof. Measure from the attic. How to measure roof pitch to measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil.

For more complex roofs you may need to calculate it section by. Express roof pitch as the ratio of the amount of the vertical rise of a roof or rise over the corresponding horizontal distance or run you write the pitch assuming a run of 12 inches thus the ratio would describe how much a roof rises for each foot of the run.