Square Footage For Roofing Shingles

The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans.

Square footage for roofing shingles. 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. To find the squares divide the overall roof area by 100 and then round up. Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last. Each square will need three bundles of shingles to cover it.

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. For the total square footage of the roof. Finally calculate your roof s total square footage by simply adding the square footage of each of the planes together. A square simply refers to a 10 x 10 square of roofing.

Simply measure length a x width b. For instance if the roof is 1550 square feet then it is 16 squares. 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. 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.

A x b 120 x 100 12 000 sq. How to estimate roofing materials. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Although roofing projects are estimated and sold by the square.

This is simply 100 square feet of roof. The square footage of a roof is normally measured in squares of 100 feet.