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 shingles to roof 3 78 squares.
This would be 87.
To determine how many squares a roof is just divide its square footage by 100.
However if you are using heavier shingles you will require 4 to 5 bundles for a square.
By 36 in in each bundle.
It typically takes 3 bundles of shingles to cover each square of a roof.
The most common you find apply to three tab shingles and take three bundles of shingles for each square.
Figuring out the roof area is the first step to determine how many bundles you ll need to order.
A square of shingles is a roofing term for 100 square feet.
So most popular shingles are sold such that three bundles are needed to cover one square of roof area.
When shingles come three bundles to the square there are 29 standard sized shingles 12 in.
Once you look at the more substantial three tabbed variety these require four per square and sometimes possibly five to cover the same square.
Since transportation is a major cost factor expect prices to vary by location.
But be careful not all shingle brands are packaged three bundles to a square.
How many shingles in a square.
There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.
To properly calculate how many bundles of shingles are needed to roof your home you need to calculate the total square footage of the roof and convert it to squares.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
Singles are often sold in bundles with three bundles equaling one roof square.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
However shingles are packaged in a way that they are light enough for the average person to carry around.
For example a 2 000 square foot roof has 20 squares of shingles.
A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.
Heavier three tabbed shingles and laminated shingles require four or sometimes five bundles to cover a square.
Read the label carefully as some brands need a bit more than three bundles to cover a square.
Normal architectural shingles are approximately 3 bundles per square.
When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle.
A square represents 100 square feet of area covered by shingles.
It can also include some of the lighter weight laminated shingles.