How Many Square Feet In A Package Of Roof Shingles

Roofing contractors estimate projects and materials by the square so it is crucial to find this measurement to accurately estimate the amount of material needed.

How many square feet in a package of roof shingles.

Each shingle is 13 1 4 inches by 39 3 4 inches and the square covers 99 98 square feet using 65 shingles. Roof shingles are sold by both the bundle and by the square. The square footage of a roof is normally measured in squares of 100 feet. Before placing shingles on a roof roofers determine the total area to be covered and divide by 100 the area of a square to determine the total number of bundles needed to complete the job.

The shingle bundles will be plastic or paper wrapped bundles that are made to be light enough for a single person to carry. There are 29 standard shingles in a bundle. This means that if you are going to be using heavier shingles you will need to have more bundles to cover each square foot. This is simply 100 square feet of roof.

Owens corning offers a metric square of shingles. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. Each plywood sheet is 4 x 8 feet or 32 square feet which coincidentally is almost exactly equivalent to the coverage of one bundle of traditional three tab shingles. Shingles are packaged in paper or plastic wrapped bundles designed to be light enough for a person to carry so heavier shingles require more bundles per square.

With heavier materials a square might consist of four or five bundles each with fewer shingles than the normal bundle. However shingles are packaged in a way that they are light enough for the average person to carry around. To find the squares divide the overall roof area by 100 and then round up. A square of shingles will be the amount needed to cover an area of 100 square feet.

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 number of square feet in a bundle is printed on the paper or plastic packaging that covers the bundle. A square simply refers to a 10 x 10 square of roofing. If it s a re roof project and you have access to the original paperwork from the last shingle installation that may be useful in showing the roof area.

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