How To Measure A Roof Pitch

How to determine or calculate roof pitch or roof slope 1.

How to measure a roof pitch.

Position your level against the roof until the bubble of the vial sits between two lines. For more complex roofs you may need to calculate it section by. How to calculate the pitch of a roof method one. Before taking any measurements you must first confirm that it s safe to walk on your roof.

The slope is the same as the pitch. 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. Take the measurement of the vertical. Measure from the roof.

Take a measurement of 12 inches using a level. If you are trying to learn how to measure roof pitch calculations accurately you should really consider the importance of using a calculator. First measure 12 inches from one end of the level and make a mark. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.

Roof pitch is often expressed as a ratio between rise and run in the form of x 12. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally. 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.

The underside of a rafter on a overhang at the bottom of the roof 3. Another method to find the roof pitch is to go into the attic and measure the rise. The underside of a barge rafter on a gable end. The underside of a rafter in the attic.

Pitch is the incline of the roof represented as the ratio of rise to the span twice the run. Measure from the attic. For a roof with the ridge above one wall the span is the same as the run. Check the surface of the.

To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. Roof pitch is simply the slopecreated by the rafter.