How Measure The Pitch Of A Roof

How to calculate the pitch of a roof method one.

How measure the pitch of a roof.

Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. Position your level against the roof until the bubble of the vial sits between two lines. The slope is the same as the pitch. Take a measurement of 12 inches using a level.

Calculate the roof pitch as the proportion of rise and run. The rise is the vertical length from the top of a stud wall to the peak of the roof. 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. Check the surface of the.

Before taking any measurements you must first confirm that it s safe to walk on your roof. For a roof with the ridge above one wall the span is the same as the run. The run is the horizontal length from the outside edge of a perimeter stud wall to the center of the house. Measure the rise of your roof.

Measure from the roof. Take the measurement of the vertical. Roof pitches are measured by their riseand run. For more complex roofs you may need to calculate it section by.

Roof pitch roof pitch refers to the amount of rise a roof has compared to the horizontal measurement of the roof called the run. A roof s pitch is the rise for every 12 inches it runs. One method to find the pitch is to climb on the roof and measure the rise for a 12. Rafter rise run 1 5 6 2 25 36 38 25rafter 38 25 6 18 m.

For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally. Calculate the rafter length substituting these values into the following formula. Pitch rise run 1 5 6 25. First measure 12 inches from one end of the level and make a mark.

To see how pitch impacts the look of a garage and changes cost click the design center button on our pole barn kits page.