However some roofing companies may charge upwards of 1 000 a square for an asphalt shingle roof.
Roof square for 1300sq house.
The national average cost to replace a roof is 7 211 with most homeowners spending between 4 707 and 10 460 roof installation cost ranges from 400 to 550 per square depending on the roof size and materials used in reroofing.
In total an asphalt shingle roof could cost 25 000.
Although roofing projects are estimated and sold by the square.
Roofing over does present some issues however.
Things you will need steel tape measure.
Multiply the number of roofing squares for a medium pitch roof by 1 12 to 1 25 or by 1 3 to 1 42 for a high pitch roof to get the square roof area.
For 1 100 square feet average material cost ends up between 1 500 to 2 000.
I am roofing the house trailer and need to know how many packs of shingles needed cecil venturella march 3.
Expect to spend 1 500 to 3 000 to remove your current roof before installing a replacement.
A wide range of materials are available for roofing and these materials comprise the largest portion of the total cost.
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.
For instance if the roof is 1550 square feet then it is 16 squares.
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.
Thus at the mid point of the above price range you can expect to pay about 4 50 per sq.
A square simply refers to a 10 x 10 square of roofing.
Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to.
Most commonly used are asphalt shingles at an average cost of 50 to 150 per 100 square feet as of 2008.
This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
Or 450 per square to replace an asphalt shingle roof.
How to estimate roofing materials.
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.
Slope of the roof.
To find the squares divide the overall roof area by 100 and then round up.
This is simply 100 square feet of roof.