Thus at the mid point of the above price range you can expect to pay about 4 50 per sq.
How much to replace a roof 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.
The cost of a new asphalt shingle roof is on average nationwide 260 to 280 per roofing square with new roofs using architectural shingles ranging from 275 to 300 per square.
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.
The cost per square foot for a wood shingle roof is between 6 37 and 8 77.
Roofing over does present some issues however.
In total an asphalt shingle roof could cost 25 000.
Another quote from lowe s for a 1 650 square foot home was 16 800 which is 1 018 per square or 10 18 per square foot.
When leaks begin it should be repaired or replaced quickly to prevent major interior water damage and mold from growing.
It costs from 1 20 to 4 a square foot to remove and replace the roof or 1 700 to 8 400 for a typical 1 700 2 100 square foot ranch style home with a gentle slope.
A recent quote from home depot for replacing a 2 000 square foot roof with a new asphalt roof was 21 481 which is 1 074 per square or 10 74 per square foot.
This insulation significantly increases the cost but is often a necessary item due to state and local building codes as well as energy efficiency concerns.
However some roofing companies may charge upwards of 1 000 a square for an asphalt shingle roof.
That equates to about 1 274 to 1 754 per 200 square feet or for two squares.
Average cost to replace a flat roof is about 8 00 per square foot it includes tear off of the old material and 2 of polyiso rigid insulation board with 12 r value.