How To Measure A Roof Pitch

For more complex roofs you may need to calculate it section by.

How to measure a roof pitch.

The underside of a barge rafter on a gable end. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. If you are trying hard to work out how to figure roof pitch measurements the calculator takes away all of those problems for you more or less instantly. 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. Position your level against the roof until the bubble of the vial sits between two lines. Take a measurement of 12 inches using a level. The underside of a rafter on a overhang at the bottom of the roof 3.

Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. The slope is the same as the pitch. First measure 12 inches from one end of the level and make a mark. Before taking any measurements you must first confirm that it s safe to walk on your roof.

How to determine or calculate roof pitch or roof slope 1. Check the surface of the. Another method to find the roof pitch is to go into the attic and measure the rise. How to calculate the pitch of a roof method one.

Measure from the attic. The underside of a rafter in the attic. For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally. Measure from the roof.

Pitch is the incline of the roof represented as the ratio of rise to the span twice the run. Roof pitch is often expressed as a ratio between rise and run in the form of x 12. One method to find the pitch is to climb on the roof and measure the rise for a 12. Roof pitch is simply the slopecreated by the rafter.

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. If you are trying to learn how to measure roof pitch calculations accurately you should really consider the importance of using a calculator.