Total square footage from example 2 above.
How much is a square foot of roofing.
To accurately calculate the area of your roof you must first determine its slope or pitch.
For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.
Number of squares.
Most composition shingles are 3 bundles per square most of the 40yr composition shingles are 4 bundles per square some 5 or more.
Now in order to determine how many squares are there on the gable roof for example all you need to do is divide the total square footage by 100.
Roof removal costs 1 63 per square foot for a single story home and as much as 1 96 per square foot for a 3 story townhome.
1 square in roofing 100 square feet.
Bundles of roofing material per square.
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.
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.
Outside of the u s a degree angle is typically used.
Most homeowners spend between 1 500 and 3 000 total when hiring a professional and the cost goes up from there for high end materials like slate or other stone tiles which are heavier.
2 feet x 50 feet 100 square feet or 1 roofing square 50 feet x 50 feet 2500 square feet so 2500 100 25 roofing squares.
A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally.
It is often compared to slope but is not exactly the same.