As a tip if you.
How to measure roof pitch from the ground.
How to determine roof pitch diy there are two distinctly different methods one is more accurate while the other is faster and easier.
Determine your roof pitch see roofpitch if you need help.
Section off your roof and write your calculations down as shown below dotted lines.
For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally.
Measure the distance from where you re standing to the face of the wall you walked away from.
Measure the height from the ground to the.
8 inches and you have an 8 in 12 pitch.
For a roof with the ridge above one wall the span is the same as the run.
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.
If this distance measures 4 inches you have a 4 in 12 pitch.
Walk away from your house perpendicular to the wall that is under the roof pitch you d like to measure.
For more complex roofs you may need to calculate it section by.
This method tends to be more accurate because no layers of roofing are involved.
To sum it up each individual tab on a 3 tab shingle measures approximately 12 wide by 6 high.
Make a outline of your roof on paper.
The slope is the same as the pitch.
Use a simple formula to approximate the square footage of triangular areas where two sections of a roof meet at each.
To find the pitch of your roof you ll first.
The first involves climbing up on the roof or at least the edge and actually measuring the pitch using a carpenter s level and a tape measure.
Take the following steps to measure your roof from the ground.
Pitch measurement method 1 1.
Calculate the pitch of the roof.
Stretch your tape measure along the walls from end to end.
The pitch is the steepness of the roof.
Find the length and width of the building s exterior walls.
Use a pitch.
The first technique is referred to as the shingle count method which is used for estimating the measurements of all rectangular shaped sections of a roof.
Go all the way around your house and fill in your outline with your measurements making sure to account for overhang.
Measuring your roof from the ground 1.