3 bundles per square.
How many square feet per roofing bundle.
Typically it takes three bundles of standard sized standard weight shingles to cover 100 square feet of roof surface.
It will usually take three or four bundles to make up one 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.
There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.
To find the amount of shingles you will need multiply the number of squares by three.
If it s a re roof project and you have access to the original paperwork from the last shingle installation that may be useful in showing the roof area.
This would be 87.
To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100.
A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.
The result is 240 and this means you would need 240 squares of shingles to cover that roof.
A square is a 10 foot by 10 foot area and requires three bundles of shingles for coverage.
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.
Each square will need three bundles of shingles to cover it.
Normal architectural shingles are approximately 3 bundles per square.
A square is an area of roof which measures 100 square feet.
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.
A square of shingles covers 100 square feet of roof step 3 look at the bundle package of cedar shingles to see how many bundles it takes to make up one square of shingles.
One bundle of shingles covers approximately 33 square feet of roof depending on the size and weight of the shingles.
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.
However shingles are packaged in a way that they are light enough for the average person to carry around.
Also have a couple of bundles spare on hand to cover wind damage etc.
Since transportation is a major cost factor expect prices to vary by location.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.