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.
Roofing bundle square.
Therefore order one bundle for every sheet of roof sheathing you have.
If you are using three bundles to a square calculating bundle numbers is simple.
It does not matter how you arrive at 100 square feet.
Since transportation is a major cost factor expect prices to vary by location.
Of your roof area which is close to the sheet coverage area of 32 sq.
This would be 87.
Each of your bundles can cover 33 3 sq.
Four bundles to a square.
A square is 100sq feet if your using some of the heavier roofing most one bundle of shingle covers about 33 square feet of roof hence around 850 bundles of shingles will be needed for 28000 square feetroof.
But be careful not all shingle brands are packaged three bundles to a square.
Shingles are packaged in bundles that include a number of strips of roofing.
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.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
The term roofing square and roof pitch are the most commonly used terms in the roofing industry.
1 roofing square 100 square feet.
Twenty seven strips equal a bundle generally speaking and roughly three to four compose a square.