This price range.
Roof for a 1800 square footage house.
Basic removal of existing roofing material underlayment flashing and trims to prepare a fresh base for new material.
This nominal square footage amount is then multiplied by a factor associated with the roof s pitch.
The estimates above for how many square feet of roofing average single story and two story homes have are based on a roof with a 6 12 slope.
When calculating roofing costs per square asphalt shingles run from 350 and 500 per square metal or tin roofs costs 600 to 1 200 per square and concrete or clay costs between 1 200 and 1 800 per square.
A new asphalt shingles roof for a typical 2 000 sq.
4 7.
Slope of the roof.
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 achieve the amount of material.
Roof pitches in.
Across the us a typical architectural asphalt shingle roof will cost between 4 00 and 7 00 per sq.
Outside of the u s a degree angle is typically used.
Select how steep the roof is.
How do you calculate square footage for a roof.
Roofing material is estimated by the square which is equal to 100 square feet.
It is often compared to slope but is not exactly the same.
Roofing cost per square foot.
Estimate per square foot.
As an example if your overhang is 12 inches you ll add 2 feet to the overall length and 2 feet to the overall width of the house.
To install depending on the type of shingle and project specifics variables.
You can also get a rough estimate by looking at the square footage of your house.
Measure your house at ground level then add in the roof s overhang for greater accuracy.
This chart is a general guideline that covers tiny houses to average size homes.
A 4 12 pitch is relatively easy to walk an 8 12 is very difficult to walk and a 12 12 is impossible to walk.
Roofs with less slope need less shingles and roofs with more slope need more shingles.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
Single story ranch house can range in price from 8 500 to 16 500 fully installed.
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.
For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.
If you are replacing your current roof add 125 to 500 per roofing square for old roof removal.