If you are replacing your current roof add 125 to 500 per roofing square for old roof removal.
Roof cost per sq foot.
Or 450 per square to replace an asphalt shingle roof on a typical single family house.
For an average roof of 17 squares according to the united states census which puts average home size at 2 200 square feet and two stories roofing materials typically range from 2 500 to 25 000.
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 difference between the two will likely be between 50 and 150 per square 100 sq ft depending on the contractor and whether they are a factory certified installer.
Installing a simple 1 600 sq ft.
You can quickly estimate flat roof replacement costs for the following materials.
Flat roof costs 8 000 16 000 depending on the material you choose.
Steel can also be painted to match the style of the home.
The average cost to replace a flat roof is 5 10 per square foot.
Copper panels are also a great option but are more expensive and can cost up to 1 500 per square.
Thus at the mid point of the above price range you can expect to pay about 4 50 per sq.
Roofing cost per square foot 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.