Section off your roof and write your calculations down as shown below dotted lines.
Measuring a roof from the ground.
Measure the distance from where you re standing to the face of the wall you walked away from.
L h 2 area calculating an area of a triangle when estimating a roof.
Take the following steps to measure your roof from the ground.
The length l times the height h of a triangle is twice its area a2.
Use a simple formula to approximate the square footage of triangular areas where two sections of a roof meet at each.
Measure the height from the ground to the.
So if you divide your answer of a product of length times height by two you will get the area of a triangle.
1 roof square 100 square feet.
Calculate the pitch of the roof.
Stretch your tape measure along the walls from end to end.
If you were to click on the peaks it wouldn t give you an accurate reading of your measurement.
Walk away from your house perpendicular to the wall that is under the roof pitch you d like to measure.
Go all the way around your house and fill in your outline with your measurements making sure to account for overhang.
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.
To sum it up each individual tab on a 3 tab shingle measures approximately 12 wide by 6 high.
Find the length and width of the building s exterior walls.
Research other methods for measuring a roof from the ground online or talk to a roofing contractor.
Thus in a simple style house you ll only have to click on the corners.
Outline the roof at the points that are on the same level or elevation to ensure that you re getting an accurate calculation of your roofing measurements.
Use a pitch.
Make a outline of your roof on paper.
Determine your roof pitch see roofpitch if you need help.
The pitch is the steepness of the roof.