In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches.
Roof replacement square foot.
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Roofing over does present some issues however.
The majority of homes in the us have an asphalt shingle roof.
That includes installation and everything.
A roof that s less than 1 000 square feet will cost around 4700 while a roof that s 1 000 to 1 000 square feet will cost around 9 200.
Flat roof costs 8 000 16 000 depending on the material you choose.
Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure.
Or 450 per square to replace an asphalt shingle roof on a typical single family house.
Next you will need to use a roofing materials calculator.
Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive.
So before i start breaking things down let me say that in 2018 the average cost for roof replacement for a 2500 square foot homeis 8500 to 11500.
Roofing material is estimated by the square which is equal to 100 square feet.
Replacing an asphalt roof with new shingles will cost between 5 400 and 9 000 or an average of 7 211 for a 2 000 square foot home not including old roof removal.
For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.
This gives us a 3d roof area of 1 625 sq ft.
The average cost to replace a flat roof is 5 10 per square foot.
Thus at the mid point of the above price range you can expect to pay about 4 50 per sq.
You can quickly estimate flat roof replacement costs for the following materials.
Now the roof on a 2500 square foot home is not 2500 square feet.
Check that your footage measurements are within this range so you can start off on the right 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.
Roof replacement cost by roof size in many cases the larger your roof the more you ll pay to replace your roof.
Average roof replacement cost by roof size.
Outside of the u s a degree angle is typically used.
Installing a simple 1 600 sq ft.
It is often compared to slope but is not exactly the same.
The actual cost will vary depending on whether it is a composite asphalt shingle roof or a fiber cement concrete composite shingle installation.
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.