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.
How much should a roof replacement cost 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 exact material you use will have an impact on the cost of the roof with basic felt solutions costing around 50 per square metre for the material itself and more high end materials such as modern grp a form of fibreglass going up to 90 per square metre but allowing unlimited options in terms of colour and generally being more long lasting.
The cost can be more for larger homes homes with complex roof designs or when installing.
However some roofing companies may charge upwards of 1 000 a square for an asphalt shingle roof.
Roofing over does present some issues however.
How much does roof replacement cost.
Expect to spend 1 500 to 3 000 to remove your current roof before installing a replacement.
The cost of materials for a basic 3 tab 25 year shingles could range anywhere from 150 to 200 per square for all the necessary materials.
In total an asphalt shingle roof could cost 25 000.
Flat roof replacement costs.
In addition to composition shingles materials may also include any necessary roofing felt underlayment ice and water shield nails ridge vent and roof flashing details such as valley drip edge gable and chimney flashing and caulk.
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.