The hardest part is how you determine the number of bundles it requires you to order to cover all your roof areas.
Roofing shingles how many in a bundle.
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.
How many bundles are in a square with composition shingles of lighter weight three bundles will do a square one hundred square feet.
Heavier shingles often come packaged as four bundles per square.
Each shingle is 12 inches by 36 inches.
One bundle of shingles covers approximately 33 square feet of roof depending on the size and weight of the shingles.
How many shingles in a square 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.
To find the amount of shingles you will need multiply the number of squares by three.
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.
So most popular shingles are sold such that three bundles are needed to cover one square of roof area.
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.
It takes three bundles to make a square which in roofing is 100 square feet.
But be careful not all shingle brands are packaged three bundles to a square.