It typically takes three bundles of standard three tab asphalt shingles to cover one square on a roof.
How many bundles in a square for roofing shingles.
A roof square is equal to 100 square feet so each bundle covers roughly 33 1 3 square feet.
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.
The most common you find apply to three tab shingles and take three bundles of shingles for each square.
Each bundle covers 33 3 sq.
If the shingles you are using come three bundles to a square calculating the number of bundles you ll need is simple.
Since transportation is a major cost factor expect prices to vary by location.
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.
But be careful not all shingle brands are packaged three bundles to a square.
It can also include some of the lighter weight laminated shingles.
Each square will need three bundles of shingles to cover it.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
Therefore a 40 square roof would require approximately 120 bundles of shingles.
Laminated and heavier three tab shingles therefore require four to five bundles to cover 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.
So most popular shingles are sold such that three bundles are needed to cover one square of roof area.