Measure The Pitch Of A Roof

First measure 12 inches from one end of the level and make a mark.

Measure the pitch of a roof.

For more complex roofs you may need to calculate it section by. Let s say it is equal to 1 5 m. Measure the rise of your roof. How to calculate the pitch of a roof method one.

Check the surface of the. Pitch rise run 1 5 6 25. 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. Measure from the roof.

The slope is the same as the pitch. Another method to find the roof pitch is to go into the attic and measure the rise. Calculate the rafter length substituting these values into the following formula. For example if the roof rises 4 feet and the span is 16 feet twice the run then the pitch is 4 16 or 1 4.

Take a measurement of 12 inches using a level. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. One method to find the pitch is to climb on the roof and measure the rise for a 12. For a roof with the ridge above one wall the span is the same as the run.

Position your level against the roof until the bubble of the vial sits between two lines. For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally. Before taking any measurements you must first confirm that it s safe to walk on your roof. Take the measurement of the vertical.

Calculate the roof pitch as the proportion of rise and run.