Use a pitch.
Measuring roof pitch from the ground.
There are many great benefits to using google earth to measure your roof but nothing is as good as using diy s satellite roof measurement.
For a roof with the ridge above one wall the span is the same as the run.
Measuring your roof from the ground 1.
For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally.
It works great inside a commercial building flat roof but really outside it is hard to use cause the laser has to hit whatever being pointed toward to get a reading and when the sun is out that is hard to do.
Research other methods for measuring a roof from the ground online or talk to a roofing contractor.
Go all the way around your house and fill in your outline with your measurements making sure to account for overhang.
Calculate the pitch of the roof.
Make a outline of your roof on paper.
For more complex roofs you may need to calculate it section by.
Find the length and width of the building s exterior walls.
Measure the distance from where you re standing to the face of the wall you walked away from.
Roof pitch is represented in inches rise of 12 inches run.
It is great for measuring inside though when marking out leaks.
To sum it up each individual tab on a 3 tab shingle measures approximately 12 wide by 6 high.
Determine your roof pitch see roofpitch if you need help.
Walk away from your house perpendicular to the wall that is under the roof pitch you d like to measure.
A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally.
I have a bosch laser tape measure i bought from home depot that measures up to 230 feet.
As a tip if you.
The first of which is that you don t even have to go up on the roof.
Section off your roof and write your calculations down as shown below dotted lines.
The pitch is the steepness of the roof.
To find the pitch of your roof you ll first.
This can make it even safer to do your measuring and it also removes a level of guessing to your calculation.
Measure the height from the ground to the.
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.
Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs.
Use a simple formula to approximate the square footage of triangular areas where two sections of a roof meet at each.
Take the following steps to measure your roof from the ground.
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.
Stretch your tape measure along the walls from end to end.
Tool to measure rake pitch from ground.