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.
Roof replacement cost per sq ft.
Roofing over does present some issues however.
Garage roof repair costs 10 to 25 per square foot for flashing and sealing work or 250 to 850 for replacing up to 100 sf of asphalt shingles roll roofing or metal.
Or 450 per square to replace an asphalt shingle roof on a typical single family house.
Roof installation cost ranges from 400 to 550 per square depending on the roof size and materials used in reroofing.
The national average cost to replace a roof is 7 211 with most homeowners spending between 4 707 and 10 460.
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.
Steel panels cost 300 800 per square.
Steel can also be painted to match the style of the home.
Additional fees apply for specialty materials and structural work.
Thus at the mid point of the above price range you can expect to pay about 4 50 per sq.
Garage roof replacement costs 1 000 to 2 500.