Thus at the mid point of the above price range you can expect to pay about 4 50 per sq.
Roofing per square ft.
Your roof is without a doubt one of the most important elements of your home.
Roofing cost per square foot.
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.
Flat roof costs 8 000 16 000 depending on the material you choose.
Now assuming an average pitch of 9 12 we multiply the 2d area of 1 300 by 1 25.
Depending on the form and material metal roofing can run anywhere from 75 to 1 000 and more per square.
The average cost to replace a flat roof is 5 10 per square foot.
This nominal square footage amount is then multiplied by a factor associated with the roof s pitch.
When calculating roofing costs per square asphalt shingles run from 350 and 500 per square metal or tin roofs costs 600 to 1 200 per square and concrete or clay costs between 1 200 and 1 800 per square.
A square as mentioned above is a measurement that equals 100 square feet.
This gives us a 3d roof area of 1 625 sq ft.
Or 450 per square to replace an asphalt shingle roof on a typical single family house.
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.
There are three common forms to choose from.
Assuming this is a hip roof we multiply this by 1 1 which gives us roughly 18 squares or 1 800 square feet of the roof surface.
Roof pitches in degrees.
According to the united states census the average roof is 17 squares or about 1 700 square feet.