Measuring Roof Pitch

Placing a ladder near the roof you will put a level a foot or so up on the roof hold it level and measure from the.

Measuring roof pitch.

And pitch is a fraction derived by dividing the rise by the entire span. The slope is the same as the pitch. Slope minimums for various roof coverings. How to calculate the pitch of a roof method one.

For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally. For a roof with the ridge above one wall the span is the same as the run. Using ruler and tape you can do it anyway of these ways. One method to find the pitch is to climb on the roof and measure the rise for a 12.

If the pitch is 1 3 the slope is 8 12. If the slope is 4 12 the pitch for the 24 foot span is 1 6. 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. Another method to find the roof pitch is to go into the attic and measure the rise.

Although there s isn t any standard pitch of a roof used on all kinds of sloped roofs you can determine the range of pitches by using a roof angle calculator and by considering factors like the local climate and roofing materials. Measure from the attic. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. For more complex roofs you may need to calculate it section by.

Measure from the roof. On a ladder at the walled part of the pitched roof place the level against the roof overhang rafter with the 12 inch.