While it is possible to estimate the amount of necessary materials using only the total roof area measurement as can be seen from the table depending how large the pitch of the roof the actual area of the roof can differ by up to 2 236 from the measured total area at a pitch of 24 12.
Roofing estimates in my area.
Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive.
Please complete the following form with your information to request a complimentary roofing estimate.
However if you use premium materials such as metal wood shingles clay tile etc the cost of your roof will be at least 9 500 16 000.
This gives us a 3d roof area of 1 625 sq ft.
Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs.
For estimating purposes we also assume that there is a chimney a couple of dormers and two layers of old shingles that need to be torn off and removed before a new roof can be installed.
See costs in your area start here enter your zip code the average roof replacement cost is 4 200 6 600 on a 1 600 sq ft.
You may also speak to a sales representative at 310 527 6770 during our regular business hours of 8 00 am to 5 00 pm monday through friday holidays excluded.
Assuming this is a hip roof we multiply this by 1 1 which gives us roughly 18 squares or 1 800 square feet of the roof surface.
As such while it can be cumbersome measuring the area and pitch of each part of the roof and multiplying by the corresponding correction factor will result in the most accurate estimate of necessary.
To accurately calculate the area of your roof you must first determine its slope or pitch.
The average roof is 3 000 square feet or around 30 squares.