How Many Bundles In Square Of Roofing Shingles

It typically takes three bundles of standard three tab asphalt shingles to cover one square on a roof.

How many bundles in square of roofing shingles.

As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square. 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.

Then add 10 to the number to account for waste. Once you have a three bundle pack to cover a square you will have 29 x 12 inches by 36 inch standard sized shingles per bundle. So in the gable roof example above you would need 240 squares of underlayment. 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.

But be careful not all shingle brands are packaged three bundles to a square. Asphalt shingles range in price from about 25 per bundle for a standard 3 tab style to around 50 75 or more for an upgraded architectural style. Of roof area close enough to the 32 sq. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.

To estimate roofing materials start by finding the total square footage of the roof and divide the number by 100 to determine the number of squares in the roof. 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. If the shingles you are using come three bundles to a square calculating the number of bundles you ll need is simple. Therefore a 40 square roof would require approximately 120 bundles of shingles.

One bundle of shingles covers approximately 33 square feet of roof depending on the size and weight of the shingles. Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square. Each bundle covers 33 3 sq. Typically it takes three bundles of standard sized standard weight shingles to cover 100 square feet of roof surface.

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 a new roof you will also need the same amount of underlayment. So most popular shingles are sold such that three bundles are needed to cover one square of roof area. Once you look at the more substantial three tabbed variety these require four per square and sometimes possibly five to cover the same square.

Laminated and heavier three tab shingles therefore require four to five bundles to cover a square. To find the amount of shingles you will need multiply the number of squares by three. There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.