The most common type of shingles known as strip or three tab shingles are packaged with three bundles per square.
Number of roof shingles per square.
Normal architectural shingles are approximately 3 bundles per square.
However shingles are packaged in a way that they are light enough for the average person to carry around.
The hardest part is how you determine the number of bundles it requires you to order to cover all your roof areas.
How many bundles of shingles in a square you can t merely go by the number of shingles in a bundle since shingle size and coverage vary from one brand to the next.
To find the amount of shingles you will need multiply the number of squares by three.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
Each square will need three bundles of shingles to cover it.
A square of shingles covers 100 square feet of a standard roof.
Thicker shingles will be as much as 4 or 5 bundles per square.
Shingles are packaged in lightweight bundles intended for easy transport up and down a ladder and across precarious heights.
Specialty shingles such as iko armourshake are heavier and therefore packaged to cover 20 square feet per bundle or five bundles per square.
There will also be hip ridge and starter shingles needed.
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.
This would be 87.