If the shingles you are using come three bundles to a square calculating the number of bundles you ll need is simple.
How many bundles of roofing shingles in a square.
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.
Since transportation is a major cost factor expect prices to vary by location.
Each square will need three bundles of shingles to cover it.
Of roof area close enough to the 32 sq.
Read the label carefully as some brands need a bit more than three bundles to cover a square.
Specialty shingles such as iko armourshake are heavier and therefore packaged to cover 20 square feet per bundle or five bundles per 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.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
The hardest part is how you determine the number of bundles it requires you to order to cover all your roof areas.
The square footage of a roof is normally measured in squares of 100 feet.
Each bundle covers 33 3 sq.
With that as background you are now ready to estimate how many shingles you will purchase for your roof project.
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.