A square is an area of roof which measures 100 square feet.
Satalite way to know how many squares a roof is.
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However shingles are packaged in a way that they are light enough for the average person to carry around.
A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
The most common type of shingle called a three tab or strip shingle is.
For instance if the roof is 1550 square feet then it is 16 squares.
This is simply 100 square feet of roof.
The google maps area calculator is not 100 accurate.
The result is 240 and this means you would need 240 squares of shingles to cover that roof.
The answer is the number of roofing squares for the roof.
Convert the area to roofing squares.
A square represents 100 square feet of area covered by shingles.
A square simply refers to a 10 x 10 square of roofing.
Singles are often sold in bundles with three bundles equaling one roof square.
To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100.
Similarly if you using the area calculator tool to measure a roof with multiple levels you should do the individual section separately.
Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.
This can make it even safer to do your measuring and it also removes a level of guessing to your calculation.
How to estimate roofing materials.
There are many great benefits to using google earth to measure your roof but nothing is as good as using diy s satellite roof measurement.
The first of which is that you don t even have to go up on the roof.
Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material.
This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof.
To find the squares divide the overall roof area by 100 and then round up.
If you are trying to see a good close in satellite image of the roof on a specific building see roof online s page how to find a building on google earth and see a good close up of the roof.
Although roofing projects are estimated and sold by the square.