How Many Bundles Do I Need For My Roof

Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.

How many bundles do i need for my roof.

For instance a 7 12 roof pitch means that the roof rises 7 inches for every. However if you are using heavier shingles you will require 4 to 5 bundles for a square. 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. For a new roof you will also need the same amount of underlayment.

Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry. Underlayment usually comes in rolls of 4 squares each. Then add 10 to the number to account for waste. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.

It is common to use 3 bundles to a square of shingles. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches. Since transportation is a major cost factor expect prices to vary by location. It is often compared to slope but is not exactly the same.

When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle. 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. So in the gable roof example above you would need 240 squares of underlayment. 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.

The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square. This means you would need 240 squares of shingles to cover that roof. There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these. So in the gable roof example above you need 240 squares of underlayment.

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. Note that in the last 3 4 years costs of roof shingles and many accessories have gone down by an average of 18 20 currently the us national average for benchmark architectural shingles is around 74 51 square or 25 per bundle. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square.

For a new roof you will also need the same amount of underlayment. The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square. So most popular shingles are sold such that three bundles are needed to cover one square of roof area.