A home s roof is measured in squares.
How do you measure a roof from the ground.
If your roof is 5 000 square feet you will have 50 squares.
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.
As a tip if you had.
Divide the measurement in half and mark the center of the wall at head height below the peak.
November 3 2017 at 10 24 am.
The length l times the height h of a triangle is twice its area a2.
Measure the ground.
Go all the way around your house and fill in your outline with your measurements making sure to account for overhang.
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.
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.
Each square is 100 square feet.
Take the following steps to measure your roof from the ground.
Assuming the ground is relatively flat measure the height of your eye from the ground.
Record these values as roof rise over run with the vertical measurement listed first and the horizontal second.
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.
Make a sketch of your roof before you go out to measure it.
This has shed a light on my getting great pictures and how to accurately measure the roof from the ground.
To measure an irregularly shaped roof you ll need to get on top.
Both the roof area and pitch contribute to the cost of a roofing job.
You ll need to figure out the vertical distance also known as the rise over a 12 horizontal segment also known as the run.
Measure the distance from where you re standing to the face of the wall you walked away from.
When a roof needs to be replaced one of the first steps you may perform is figuring out the roof area.
1 roof square 100 square feet.
So you should essentially see the top edge of the eve or gutter line up with the peak of the roof pitch.