It can also include some of the lighter weight laminated shingles.
How many bundles of roofing per square.
This roof shingle calculator requires four basic inputs.
On the low end asphalt averages 100 and 150 per square while slate averages about 1 200.
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.
Felts sqs per roll.
A bundle is around 1 3 of a square and costs an average of 30 to 600.
The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square.
A square is equal to 100 square feet and will cost anywhere between 100 and 1 800.
Bundles of roofing material per square.
Specialty shingles such as iko armourshake are heavier and therefore packaged to cover 20 square feet per bundle or five bundles per square.
For a new roof you will also need the same amount of underlayment.
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.
There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
So in the gable roof example above you would need 240 squares of underlayment.
How many shingles in a square.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
Once you have a three bundle pack to cover a square you will have 29 x 12 inches by 36 inch standard sized shingles per bundle.
Normal architectural shingles are approximately 3 bundles per square.
Underlayment usually comes in rolls of 4 squares each.
Each square will need three bundles of shingles to cover it.
Roof length measured in feet roof width measured in feet roof pitch.
The square footage of a roof is normally measured in squares of 100 feet.
Most composition shingles are 3 bundles per square most of the 40yr composition shingles are 4 bundles per square some 5 or more wood shakes 5 bundles per square wood shingles 4 bundles per square roofing felt per square roofing felt comes in a wide variety coverage s.
With that as background you are now ready to estimate how many shingles you will purchase for your roof project.
The most common you find apply to three tab shingles and take three bundles of shingles for each square.
Once you look at the more substantial three tabbed variety these require four per square and sometimes possibly five to cover the same square.
This would be 87.
Since transportation is a major cost factor expect prices to vary by location.
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.
But be careful not all shingle brands are packaged three bundles to a square.