Hot To Measure Pitch Of Roof

The run is the horizontal length from the outside edge of a perimeter stud wall to the center of the house.

Hot to measure pitch of roof.

The rise is the vertical length from the top of a stud wall to the peak of the roof. Pitch measurement method 1 1. This is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares. Position your level against the roof until the bubble of the vial sits between two lines.

Measure from the roof. Before taking any measurements you must first confirm that it s safe to walk on your roof. Roof pitch calculator results explained slope the slope of a roof is represented as x 12 where x is the number of inches in rise for every 12 inches of run. Hold the 0 mark of the tape measure against the roof.

Measure from the attic. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. First measure 12 inches from one end of the level and make a mark. 8 inches and you have an 8 in 12 pitch.

Check the surface of the. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. It is often compared to slope but is not exactly the same. Roof pitches are measured by their riseand run.

How to calculate the pitch of a roof method one. The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7. If this distance measures 4 inches you have a 4 in 12 pitch. Take the measurement of the vertical.

Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run. Extend it upward so it is perpendicular to the level. Another method to find the roof pitch is to go into the attic and measure the rise. Move the tape measure along the the roof until it hits the level at exactly the 12 inch mark.

In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches. Measure the vertical distance from roof to level. Roof pitch is simply the slopecreated by the rafter. 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.

It can be assessed in two ways either as the angle the rafter makes with the horizontal or the proportion between the rise and the run of the roof. On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof. A roof s pitch is the rise for every 12 inches it runs.