This nominal square footage amount is then multiplied by a factor associated with the roof s pitch.
Roof estimate of 4500 square foot house.
Assuming a single story rectangular house with a hip roof that has two foot overhangs on each side of the house we have approximately 13 squares or 1 300 square feet of 2d roof surface area.
In addition to the new roofing material you may also need to replace other important parts of the roof such as fascia boards.
5 6 6 20 per square foot.
To find the squares divide the overall roof area by 100 and then round up.
The typical factor is 25 more roof than house square footage.
A typical homeowner spends between 5 209 and 10 249.
15 25 per square foot.
Take your ground floor square footage and multiply by 125.
Measure your house at ground level then add in the roof s overhang for greater accuracy.
10 12 per square foot.
As an example if your overhang is 12 inches you ll add 2 feet to the overall length and 2 feet to the overall width of the house.
How to estimate roofing materials.
Roofing cost per square foot.
The slope of your roof will factor into how many additional square feet are on your roof.
Depending on the material the price can range from 65 to 350 per section.
Roofing material pricing is in 10 by 10 foot 100 square feet sections.
Roofing contractors charge different prices in different regions of the us.
Although roofing projects are estimated and sold by the square roofing material is often not sold in 1 square increments.
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.
Roofing over costs around 2 to 3 per square foot as opposed to the average full replacement cost of 4 50 so roofing over a 1 500 square foot roof may only cost 3 000 to 4 500.
This is simply 100 square feet of roof.
Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more.
This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof.
6 5 8 per square foot.
For instance if the roof is 1550 square feet then it is 16 squares.
Now based on the info provided your home s floor plan is roughly 1 000 sq ft.
Roof pitches in.
Roofing over does present some issues however.
Roof size calculations the hard way.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
The average national price for roof installation is 7 727.
If you have a 2 story house you divide total square footage by 2 before multiplying by 125.