If your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width.
How many square feet of roof do i have.
The result is the total square footage of your roof.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
Next you will need to use a roofing materials calculator.
Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.
A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.
It is often compared to slope but is not exactly the same.
Before calculating square footage make sure the measurements you have taken are in square feet ft 2.
The answer is the number of roofing squares for the roof.
Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years.
To find the squares divide the overall roof area by 100 and then round up.
Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
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.
10 feet by 10 feet 100 square feet.
Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.
Using an international foot of exactly 0 3048 meters length.
Although ceramic tile roofs are expensive they can have a life span of over 100 years.
If for example the total square footage for the examples used so far would be 14 400 the rectangular plane plus 900 the triangle plus 2 000 the irregular shape 17 300 square feet.
Estimate the pitch of the roof.
Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure.
Add the square footage for all the planes together.
Check that your footage measurements are within this range so you can start off on the right foot.
100 square feet 1 roofing square 9 290304 cubic meters si unit.
1 roofing square 9 290304 m 3.
1 ft x 1 ft.
A square simply refers to a 10 x 10 square of roofing.
For instance if the roof is 1550 square feet then it is 16 squares.
However shingles are packaged in a way that they are light enough for the average person to carry around.