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.
How many bundles of siding shingles in a square.
This would be 87.
Since transportation is a major cost factor expect prices to vary by location.
Before placing shingles on a roof roofers determine the total area to be covered and divide by 100 the area of a square to determine the total number of bundles needed to complete the job.
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.
Once you look at the more substantial three tabbed variety these require four per square and sometimes possibly five to cover the same square.
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.
Each square will need three bundles of shingles to cover it.
How many shingles in a square.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
The number of square feet in a bundle is printed on the paper or plastic packaging that covers the bundle.
There are 29 standard shingles in a bundle.
However shingles are packaged in a way that they are light enough for the average person to carry around.
A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.
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.
The most common you find apply to three tab shingles and take three bundles of shingles for each square.
How many squares are in a bundle of shingles.
Once you have a three bundle pack to cover a square you will have 29 x 12 inches by 36 inch standard.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.