How To Measure The Rise Of A Roof

Then enter the value of the run and choose the unit of measurement from the drop down menu.

How to measure the rise of a roof.

Finally enter the value of the rafter length and. Let s say it is equal to 1 5 m. Measure the span of the building or consult your blueprints. The span of the building is the total width of the.

The next step is to measure the pitch also referred to as the roof slope of the roof deck. 8 inches and you have an 8 in 12 pitch. Measure the run length it is the horizontal distance between the roof ridge and the wall of the building. Here are the steps to follow for the roof angle calculator.

Check with the designer to get the unit rise for the roof which is the slope of the roof. You ll need to figure out the vertical distance also known as the rise over a 12 horizontal segment also known as the run. For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally. Pitch measurement method 2 2.

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. Roof slope calculator example of use. Measure the rise of your roof. First enter the value of the rise and choose the unit of measurement from the drop down menu.

On a 38 degree sloping roof angle t each individual vertical rise of 9 4 y 1 would have a horizontal run x 1 of 12 inches. The roof slope is the horizontal angle of the roof. How to calculate roof rise. For a roof with the ridge above one wall the span is the same as the run.

If this distance measures 4 inches you have a 4 in 12 pitch. The slope is the same as the pitch. Let s assume it is equal to 6 m. Calculate the rafter length substituting these values.