Square Footage For Roofing Shingles

Each square will need three bundles of shingles to cover it.

Square footage for roofing shingles.

Although roofing projects are estimated and sold by the square. Finally calculate your roof s total square footage by simply adding the square footage of each of the planes together. For instance if the roof is 1550 square feet then it is 16 squares. How to estimate roofing materials.

The calculator cannot account for complex shapes based on a measurement of square footage alone. The square footage of a roof is normally measured in squares of 100 feet. 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. Your roofer will know that steeper roofs use more shingles than lower sloped roofs for the same house size and there are established slope multiplier factors to make this calculation simple see table below.

This is simply 100 square feet of roof. To find the squares divide the overall roof area by 100 and then round up. Find the total square footage of your roof by multiplying the width by the length and then divide that number by 100 and you will get the number of squares you need to cover. Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last.

1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. For the total square footage of the roof. For example a very steep roof on a 1 000 square foot attic will need more shingles than a lower sloped roof on the same sized attic. Simply measure length a x width b.

For example this shed roof has one roof plane. The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans.