With the metric square each bundle contains 22 shingles.
How many roof shingles in a bundle.
Each shingle is 13 1 4 inches by 39 3 4 inches and the square covers 99 98 square feet using 65 shingles.
Roof shingles are sold by both the bundle and by the square.
It is common to use 3 bundles to a square of shingles.
A square of shingles is the quantity needed to cover 100 sq.
With heavier materials a square might consist of four or five bundles each with fewer shingles than the normal bundle.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.
This means that if you are going to be using heavier shingles you will need to have more bundles to cover each square foot.
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.
With that as background you are now ready to estimate how many shingles you will purchase for your roof project.
Owens corning offers a metric square of shingles.
The shingle bundles will be plastic or paper wrapped bundles that are made to be light enough for a single person to carry.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.