Square Footage For Roofing Shingles

Finally calculate your roof s total square footage by simply adding the square footage of each of the planes together.

Square footage for roofing shingles.

A x b 120 x 100 12 000 sq. The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Each square will need three bundles of shingles to cover it.

To find the squares divide the overall roof area by 100 and then round up. The calculator cannot account for complex shapes based on a measurement of square footage alone. How to estimate roofing materials. Although roofing projects are estimated and sold by the square.

Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last. For instance if the roof is 1550 square feet then it is 16 squares. 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. A square simply refers to a 10 x 10 square of roofing.

This is simply 100 square feet of roof. 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. The square footage of a roof is normally measured in squares of 100 feet. Simply measure length a x width b.

This gable roof has two planes. For example this shed roof has one roof plane.