How Much Square Foot Is My Roof

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.

How much square foot is my roof.

To accurately calculate the area of your roof you must first determine its slope or pitch. Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive. Outside of the u s a degree angle is typically used. To conclude the example if your total roofing area is 17 300 square feet your waste allowance would be 17 300 x 1 1 730 square feet.

Convert the area to roofing squares. You will need to express this size in terms of square feet. To find the squares divide the overall roof area by 100 and then round up. This is simply 100 square feet of roof.

Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. A square simply refers to a 10 x 10 square of roofing. A square is an area of roof which measures 100 square feet.

The average roof is 3 000 square feet or around 30 squares. Multiply the square footage of your roof by 1 to get the 10 percent waste allowance. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. 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.

The answer is the number of roofing squares for the roof. Roofing contractors estimate projects and materials by the square so it is crucial to find this measurement to accurately estimate the amount of material needed. The first step in a free roofing estimate is measuring the roof dimensions. 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.

For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. The total amount of roofing material you need is 17 300 1 730 19 030 square feet. Roofing material is estimated by the square which is equal to 100 square feet. 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.

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. It is often compared to slope but is not exactly the same.