For a new roof you will also need the same amount of underlayment.
How many shingles do i need to cover my roof.
3 determine the bundles of shingles needed to cover the roof.
A square represents 100 square feet of area covered by shingles.
Although ceramic tile roofs are expensive they can have a life span of over 100 years.
The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square.
Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years.
This means you would need 240 squares of shingles to cover that roof.
It is common to use 3 bundles to a square of shingles.
Divide the total footage by 100 to determine the number of squares in the roof.
This means that if you are going to be using heavier shingles you will need to have more bundles to cover each square foot.
The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square.
Ask the inspector to document the condition of your roof with pictures and a written signed evaluation of the roof s condition.
So in the gable roof example above you need 240 squares of underlayment.
Wood shingles and shakes.
Every 2 3 years after they are 10 years old.
Here s an inspection schedule.
The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans.
It takes 3 bundles to cover a square if you use 3 tab shingles the most common type.
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.
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.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
Yearly once the roof is 5 years old.
For a new roof you will also need the same amount of underlayment.
A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.
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.
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.