Roof length measured in feet roof width measured in feet roof pitch.
How many bundles of shingles to roof 2500 square feet.
With that as background you are now ready to estimate how many shingles you will purchase for your roof project.
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.
However if you are using heavier shingles you will require 4 to 5 bundles for a square.
Since there are twenty six shingles in a bundle of twenty year shingles which is fine for starters and edges divide the result by twenty six.
It is common to use 3 bundles to a square of shingles.
But be careful not all shingle brands are packaged three bundles to a square.
Since transportation is a major cost factor expect prices to vary by location.
Read the label carefully as some brands need a bit more than three bundles to cover a square.
To determine how many squares a roof is just divide its square footage by 100.
Shingle weight per square comparison.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
It typically takes 3 bundles of shingles to cover each square of a roof.
For example a 2 000 square foot roof has 20 squares of shingles.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle.
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.
To determine how many will be needed for starters and edges measure the entire perimeter of the roof and divide it by three.
This roof shingle calculator requires four basic inputs.