Pitch measurement method 1.
Roof framing measurements.
Roof framing rafter layout.
Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.
8 inches and you have an 8 in 12 pitch.
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.
This is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares.
If this distance measures 4 inches you have a 4 in 12 pitch.
Roof reports and wall reports made easy.
This will the first point of the rafter measurement line.
Measure down y height from the long point of the rafter cut and make a mark.
How to calculate your roof square footage first measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface.