The average roof is 3 000 square feet or around 30 squares.
Cost to replace roof per square foot.
You can quickly estimate flat roof replacement costs for the following materials.
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.
Thus at the mid point of the above price range you can expect to pay about 4 50 per sq.
Flat roof costs 8 000 16 000 depending on the material you choose.
The average price range to shingle a 3 000 square foot shake roof is between 5 000 and 12 000 low cost for installation is around 3 600 and high cost is about 120 000 for a single square of roofing 100 square feet the average price is 170 to 400.
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.
Roofing over does present some issues however.
Or 450 per square to replace an asphalt shingle roof.
Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive.
Expect to spend 1 500 to 3 000 to remove your current roof before installing a replacement.