Although ceramic tile roofs are expensive they can have a life span of over 100 years.
How many shingles do i need for my roof.
The key dimension you need to look at is the area covered per bundle.
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.
3 determine the bundles of shingles needed to cover the roof.
The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans.
How many bundles of shingles will you need the average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
It is common to use 3 bundles to a square of shingles.
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.
However if you are using heavier shingles you will require 4 to 5 bundles for a square.
The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square.
For high wind areas or when shingles are being applied to a mansard six nails per shingle are required or 480 nails per square.
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.
A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.
Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry.
For a new roof you will also need the same amount of underlayment.
Multiply the number of starter shingles required by 5 to determine the number of nails required to fasten starter course.
This is based on 80 shingles per square.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
The result is 240 and this means you would need 240 squares of shingles to cover that roof.
For example if brand a has 20 shingles in a package but brand b has 26 it could be that the brand a bundle covers more area.
It takes 3 bundles to cover a square if you use 3 tab shingles the most common type.
You can t merely go by the number of shingles in a bundle since shingle size and coverage vary from one brand to the next.
Divide the total footage by 100 to determine the number of squares in the roof.
Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years.