How Many Roof Shingles Per Square Foot

It is often compared to slope but is not exactly the same.

How many roof shingles per square foot. The square footage of a roof is normally measured in squares of 100 feet. Shingles come pre packed in either paper or plastic wrapped bundles and they design them to be an ideal weight for one person to carry. 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 instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.

A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. The most common type of shingles known as strip or three tab shingles are packaged with three bundles per square. A square is 100sq feet if your using some of the heavier roofing most one bundle of shingle covers about 33 square feet of roof hence around 850 bundles of shingles will be needed for 28000 square feetroof. A square of shingles covers 100 square feet of a standard roof.

Before you start your project you need to calculate the size of the roof you intend to cover. For example a 2 000 square foot roof will require 20 squares or 60 bundles. So most popular shingles are sold such that three bundles are needed to cover one square of roof area. Add a square for waste so you will need 157 bundles.

It takes a square of shingles to cover 100 sq. Asphalt shingles are typically packaged with this in mind but if a package of shingles covered an entire 100 square foot square it would be too heavy to handle. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. Take the square foot of 5 128 divide by 100 100 sq ft is equal to one square so you have 51 28.

Although roofing projects are estimated and sold by the square roofing material is often not sold in 1 square increments. This would be 87. It takes 3 bundles per square so you will multiply 51 28 by 3 and you will get 153 84. Outside of the u s a degree angle is typically used.

A typical bundle of three tab shingles has 29 standard sized shingles. Normal architectural shingles are approximately 3 bundles per square. The number of bundles or squares you need will depend on the surface area of your roof and its pitch or slope. How many bundles of shingles will you need the average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.

A professional will likely purchase slightly more materials than necessary to ensure there is extra material if needed. Each square will need three bundles of shingles to cover it. However shingles are packaged in a way that they are light enough for the average person to carry around. Four bundles to a square.

Of your new roof.