Calculate the pitch of the roof.
Measuring roof pitch from the ground.
For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally.
Research other methods for measuring a roof from the ground online or talk to a roofing contractor.
Use a pitch.
Walk away from your house perpendicular to the wall that is under the roof pitch you d like to measure.
Take the following steps to measure your roof from the ground.
Measure the distance from where you re standing to the face of the wall you walked away from.
To find the pitch of your roof you ll first.
As a tip if you.
The most precise way to find the roof s slope is by measuring it from the underside.
For example a 3 pitch or 3 in 12 pitch or 3 12 pitch all mean that the roof rises 3 inches for every 12 inches of it s horizontal run.
Roof pitch is represented in inches rise of 12 inches run.
Section off your roof and write your calculations down as shown below dotted lines.
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.
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.
For a roof with the ridge above one wall the span is the same as the run.
Access one of the rafters then take the measurement this way.
The pitch is the steepness of the roof.
For more complex roofs you may need to calculate it section by.
Find the length and width of the building s exterior walls.
Determine your roof pitch see roofpitch if you need help.
To sum it up each individual tab on a 3 tab shingle measures approximately 12 wide by 6 high.
Stretch your tape measure along the walls from end to end.
Locate the level s 12 inch mark.
Use a level against the underside of the rafter you re measuring to get the most accurate value.
Measure the height from the ground to the.