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.
Sq ft square roof.
Roofing material is estimated by the square which is equal to 100 square feet.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
Convert the area to roofing squares.
Thus at the mid point of the above price range you can expect to pay about 4 50 per sq.
1 roofing square 9 290304 m 3.
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.
Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive.
100 square feet 1 roofing square 9 290304 cubic meters si unit.
Your roof is without a doubt one of the most important elements of your home.
Roof pitches in degrees.
That said on average most contractors will charge between 3 50 and 5 50 per square foot or 350 to 550 per square 100 sq ft to install or replace an asphalt shingle roof on a typical house.
The average roof is 3 000 square feet or around 30 squares.
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.
Or 450 per square to replace an asphalt shingle roof.
This nominal square footage amount is then multiplied by a factor associated with the roof s pitch.