The shingle count method of the old shingles have not been removed from the roof you can easily use this method to calculate the number of shingles you are going to need.
How do you measure your roof for shingles.
Measuring the area of your roof isn t the simplest process.
Record the measurements on your sketch of the roof.
Hire a roofing professional to measure a roof for shingles.
Finally divide your total square footage by one hundred and this will give you the amount of shingle squares that you will need to cover your roof.
To calculate the size of the roof you need to measure the size of the roof as if it were flat account for roof pitch calculate square footage and finally determine how many squares of material are required for the roof the calculator above can handle all of this simply enter the length width and pitch and it will determine the size of the roof in squares.
The number you get will be an accurate estimate of how much area you have to cover for your roofing project.
The length l times the height h of a triangle is twice its area a2.
Measure and record your findings.
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 you begin shopping for materials you might wonder how to measure a roof for shingles.
After all roofing materials vary greatly in cost and are priced per square foot.
Obviously you want to stay safe while still getting a close estimate.
Required measurements include the following.
Then each measurement is recorded on the diagram applicable to that roof surface.
Climb onto your roof and measure each section by its height and width.
If you use a measuring tape you ll need someone to hold the tape while you measure the area.
How to measure a roof for shingles step by step the process of accurately measuring a roof involves first making a diagram of the roof to show the basic shapes of each roof plain and how they relate to one another.
As you can see measuring a roof for shingles is not as daunting a task as many people would have you believe.
One way to get an estimate is to take the square footage or meterage of the building and multiply it by the slope factor pitch of your roof.
You can get a decent estimation this way.
If your roof measures 48 feet 15 m x 24 feet 7 3 m multiplying its length by its width would give you a square footage of 1 152 square feet 107 0 m 2.
Once you have these measurements you will need to calculate the area of the roof and then you can see how many shingles you will need.