Each square will need three bundles of shingles to cover it.
How many square feet does a bundle of roofing shingles.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
The square footage of a roof is normally measured in squares of 100 feet.
Normal architectural shingles are approximately 3 bundles per square.
Four bundles to a square.
A square is a 10 foot by 10 foot area and requires three bundles of shingles for coverage.
Each plywood sheet is 4 x 8 feet or 32 square feet which coincidentally is almost exactly equivalent to the coverage of one bundle of traditional three tab shingles.
To find the amount of shingles you will need multiply the number of squares by three.
This would be 87.
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.
There are approximately 33 33 square feet in a bundle of standard composite shingles.
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.
Since transportation is a major cost factor expect prices to vary by location.