The square footage of a roof is normally measured in squares of 100 feet.
How many bundles of roofing shingles in a 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.
A typical bundle of shingles weighs about 75 pounds while some premium products can weigh over 100 pounds per bundle so consider delivery of materials.
Each bundle covers 33 3 sq.
Since transportation is a major cost factor expect prices to vary by location.
If the shingles you are using come three bundles to a square calculating the number of bundles you ll need is simple.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
Of roof area close enough to the 32 sq.
The hardest part is how you determine the number of bundles it requires you to order to cover all your roof areas.
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.
To find the amount of shingles you will need multiply the number of squares by three.
Read the label carefully as some brands need a bit more than three bundles to cover a square.
There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.
Specialty shingles such as iko armourshake are heavier and therefore packaged to cover 20 square feet per bundle or five bundles per square.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
Laminated and heavier three tab shingles therefore require four to five bundles to cover a square.