There are two main categories of roofing.
Is my roof sq footage listed anywhere.
Anything more than 9 in 12 is considered steep.
This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof.
For example this shed roof has one roof plane.
As you begin to calculate various costs you will see that the cost is a result of the interplay of many different variables including roof area in terms of footage measurement of any roof extras like.
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 low slope roof is anywhere from 2 in 12 to 4 in 12.
If your roof is 5 000 square feet you will have 50 squares.
This gable roof has two planes.
Make a sketch of your roof before you go out to measure it.
For the total square footage of the roof.
The total amount of roofing material you need is 17 300 1 730 19 030 square feet.
The answer is the number of roofing squares for the roof.
This means you would need 240 squares of shingles to cover that roof.
Conventional slope roof range between 4 in 12 and 8 in 12.
Multiply the square footage of your roof by 1 to get the 10 percent waste allowance.
A flat roof has a slope of 2 in 12 or less.
To conclude the example if your total roofing area is 17 300 square feet your waste allowance would be 17 300 x 1 1 730 square feet.
The best part of a roofing calculator is that it offers a free insight into the total cost of the replacement roof project on a sq ft basis.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
A roofing square is equal to 100 square feet of the roof.
A x b 120 x 100 12 000 sq.
Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.
To determine the number of squares on the gable roof example in this post divide its total of 24 000 square feet by 100 24 000 100 240.
Unless you live in a very rural town that is void of any zoning laws or building codes or if the roof on your home predates the local government chances are there is a public record in your local town village city or county clerk s or code enforcement officer s office that details any major exterior renovations to your home including a roof replacement.
Simply measure length a x width b.
Convert the area to roofing squares.
A home s roof is measured in squares.
If you are replacing your entire roof you will need to purchase shingles in 50 squares to sufficiently cover your 5 000 square foot roof.
The run always remains constant at 12 inches.
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