A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.
How many shingles needed for roof.
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.
Note that in the last 3 4 years costs of roof shingles and many accessories have gone down by an average of 18 20 currently the us national average for benchmark architectural shingles is around 74 51 square or 25 per bundle.
However shingles are packaged in a way that they are light enough for the average person to carry around.
It is common to use 3 bundles to a square of shingles.
The number of squares determines the amount of shingles needed.
When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans.
So most popular shingles are sold such that three bundles are needed to cover one square of roof area.
Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material.
Enter square footage calculate or enter the square footage of the attic or area to be vented.
There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
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.
3 determine the bundles of shingles needed to cover the roof.
Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years.
It takes 3 bundles to cover a square if you use 3 tab shingles the most common type.
Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator.
However if you are using heavier shingles you will require 4 to 5 bundles for a square.
Divide the total footage by 100 to determine the number of squares in the roof.
When figuring the amount of shingles needed to roof a house you first convert the total square footage of the roof to squares a square represents 100 square feet of area covered by shingles.
But be careful not all shingle brands are packaged three bundles to a square.