Record these values as roof rise over run with the vertical measurement listed first and the horizontal second.
How do you measure a roof from the ground.
Take the following steps to measure your roof from the ground.
Make a sketch of your roof before you go out to measure it.
Once you work through the basic triangle we will review a typical roof and how to apply some simple math to calculate how much material you will need for a roof used in our hypothetical example.
I have done it this way before but the only issue with this method is that shingles generally have 5 inches revealed instead of 6 inches.
Measure an outside wall from end to end where the gable roof comes to a peak above the wall.
This has shed a light on my getting great pictures and how to accurately measure the roof from the ground.
November 3 2017 at 10 24 am.
Go all the way around your house and fill in your outline with your measurements making sure to account for overhang.
Divide the measurement in half and mark the center of the wall at head height below the peak.
To measure an irregularly shaped roof you ll need to get on top.
Measure the ground.
Measure the distance from where you re standing to the face of the wall you walked away from.
If you are replacing your entire roof you will need to purchase shingles in 50 squares to sufficiently cover your 5 000 square foot roof.
The length l times the height h of a triangle is twice its area a2.
Estimating the area from ground level is less precise than measuring each side individually but it can make a quick easy and safe alternative when redoing a square or rectangular roof.
1 roof square 100 square feet.
The next step is to measure the pitch also referred to as the roof slope of the roof deck.
You ll need to figure out the vertical distance also known as the rise over a 12 horizontal segment also known as the run.
As a tip if you had.
A home s roof is measured in squares.
When a roof needs to be replaced one of the first steps you may perform is figuring out the roof area.
Determine your roof pitch see roofpitch if you need help make a outline of your roof on paper.
Each square is 100 square feet.
If your roof is 5 000 square feet you will have 50 squares.