Over time that damage could really add up.
Number of squares on a roof.
Bundles of roofing material per square.
When figuring the amount of shingles needed to roof a house you first convert the total square footage of the roof to squares a square represents 100 square feet of area covered by shingles.
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.
A square simply refers to a 10 x 10 square of roofing.
10 feet x 10 feet 100 square feet or 1 roofing square 5 feet x 20 feet 100 square feet or 1 roofing square 2 feet x 50 feet 100 square feet or 1 roofing square 50 feet x 50 feet 2500 square feet so 2500 100 25 roofing squares.
Number of squares.
While the average lifespan for a typical roof can be 15 20 years a long hard winter or a particularly intense storm can cause lasting damage to a roof.
For example if your roof is 1 500 ft 2 then it will take 47 sheets of plywood to sheath it.
To find the squares divide the overall roof area by 100 and then round up.
The result is 240 and this means you would need 240 squares of shingles to cover that roof.
Multiply the number of roofing squares by the following digits below.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
Although roofing projects are estimated and sold by the square.
1 07 x roofing squares medium pitch.
1 36 x roofing squares.
Most composition shingles are 3 bundles per square.
To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100.
Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.
Convert the area to roofing squares.
As a result.
This is simply 100 square feet of roof.
This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof.
The answer is the number of roofing squares for the roof.
Singles are often sold in bundles with three bundles equaling one roof square.
So dividing the area of the roof by 32 will give you the number of sheets needed.
How to estimate roofing materials.
For instance if the roof is 1550 square feet then it is 16 squares.
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Multiply the length of the roof in feet by the width of the roof in feet to find the area of the roof in square feet.