The number of bundles or squares you need will depend on the surface area of your roof and its pitch or slope.
How many bundles of singles to roof 2500 square feet.
3 bundles per square.
The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans.
But be careful not all shingle brands are packaged three bundles to a square.
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.
This roof shingle calculator requires four basic inputs.
Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years.
To find the amount of shingles you will need multiply the number of squares by three.
When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle.
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.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
However if you are using heavier shingles you will require 4 to 5 bundles for a square.
There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.
Although ceramic tile roofs are expensive they can have a life span of over 100 years.
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.
Roof length measured in feet roof width measured in feet roof pitch.
With that as background you are now ready to estimate how many shingles you will purchase for your roof project.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
To determine how many will be needed for starters and edges measure the entire perimeter of the roof and divide it by three.
It is common to use 3 bundles to a square of shingles.
Each square will need three bundles of shingles to cover it.
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.
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.
Specialty shingles such as iko armourshake are heavier and therefore packaged to cover 20 square feet per bundle or five bundles per square.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
There are three bundles of shingles for each square.