How Do I Determine My Roof Pitch

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.

How do i determine my roof pitch.

Some levels have markings already and in this case you are ready. Before taking any measurements you must first confirm that it s safe to walk on your roof. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. 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.

Check the surface of the. Divide the results by the number of 12 inch segments in your level. For more complex roofs you may need to calculate it section by. You ll need a level that is 12 or longer and a tape measure.

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. For example if you used a 24 inch level and your measurement was 12 inches the pitch in your roof is 6 in 12. You can also estimate a roof pitch by eyeballing it from the ground from the gable side with a level and ruler. Take the measurement of the vertical.

Position your level against the roof until the bubble of the vial sits between two lines. How to determine your roof pitch the easy way step 1. Climb on the roof and measure. Roof pitch is simply the slopecreated by the rafter.

Make sure your have a 12 mark on your level. One method to find the pitch is to climb on the roof and measure the rise for a 12 run. Also referred to as roof slope or roof slant so what does the 7 12 in the example to the right mean. Roof pitch calculator is determined by the number of inches it rises vertically for every 12 inches it extends horizontally.

On the roof hold the level perfectly level and measure the height from the roof to the level 12 inches away from where the level touches the surface this will be the rise. For a roof with the ridge above one wall the span is the same as the run. Take a measurement of 12 inches using a level. Roof pitch is often expressed as a ratio between rise and run in the form of x 12.

This is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares. The 7 means that the roof rises 7 for every 12 it runs.