Square Footage For Roofing Shingles

Simply measure length a x width b.

Square footage for roofing shingles.

The calculator cannot account for complex shapes based on a measurement of square footage alone. Although roofing projects are estimated and sold by the square. How to estimate roofing materials. The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans.

A x b 120 x 100 12 000 sq. This gable roof has two planes. This is simply 100 square feet of roof. For instance if the roof is 1550 square feet then it is 16 squares.

Each square will need three bundles of shingles to cover it. 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. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Finally calculate your roof s total square footage by simply adding the square footage of each of the planes together.

For the total square footage of the roof. A square simply refers to a 10 x 10 square of roofing. 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. 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.

The square footage of a roof is normally measured in squares of 100 feet. To find the squares divide the overall roof area by 100 and then round up.