Keep in mind that using google earth isn t going to give you a 100 percent accurate reading but it will give you a basic idea of the size of the roof for your calculations for the roofing materials.
Measure a roof for shingles from the ground.
Measure the horizontal run of the roof surface from the ground a in the third figure below.
The base is the bottom edge of the roof while the height is what you measure from the base to the top of the triangle in a straight perpendicular line from the bottom edge of the roof.
Take the following steps to measure your roof from the ground.
L h 2 area calculating an area of a triangle when estimating a roof.
1 roof square 100 square feet.
Research other methods for measuring a roof from the ground online or talk to a roofing contractor.
Just use it as a starting point and you ll have a fairly basic idea of what you re dealing.
Section off your roof and write your calculations down as shown below dotted lines.
To sum it up each individual tab on a 3 tab shingle measures approximately 12 wide by 6 high.
So if the base is 5 feet 1 5 m and the height is 4 feet 1 2 m then you re equation would look like this.
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.
Go all the way around your house and fill in your outline with your measurements making sure to account for overhang.
We also live in an institution shake.
Don t use this as your only method of measuring.
5 feet 1 5 m x 4 feet 1 2 m 2 10 square feet 0 93 m 2.
But every roof maintenance green and black are the most common and early shingled roof things i didn t know that your choices when it is generally provide a soothing from curtains and finishes with a look of stone an.
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.
Then calculate the pitch of the roof by placing a level against it angling the level so the bubble is centered and measuring the distance between the end of the level and the roof.
A how to measure a roof for shingles from the ground new roofing isn t supposition to the oil.
Determine your roof pitch see roofpitch if you need help.
Multiple the number of shingles times the width of each shingle which you can measure at ground level to get b in the figure below.
Make a outline of your roof on paper.