Square Foot Roofing Shingles

This is simply 100 square feet of roof.

Square foot roofing shingles.

A square simply refers to a 10 x 10 square of roofing. The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans. To find the squares divide the overall roof area by 100 and then round up. A square is an area of roof which measures 100 square feet.

A square is the number of shingles it would take to cover 100 square feet of roof area with each row of shingles covering the tabs of the layer below it. Packaging shingles are packaged in bundles that include a number of strips of roofing. To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100. 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.

Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years. 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.