Add an extra 10 percent.
Number of shingles needed to cover roof.
However shingles are packaged in a way that they are light enough for the average person to carry around.
Divide the total footage by 100 to determine the number of squares in the roof.
Since transportation is a major cost factor expect prices to vary by location.
There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.
The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square.
One pack of standard shingles covers 33 sq.
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.
Shingles are sold in squares which are 100 square foot sections of roofing.
A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.
This means that if you are going to be using heavier shingles you will need to have more bundles to cover each square foot.
Divide the roof s total square footage by 100 to determine the number of squares of shingles needed.
It provides extra waterproofing to protect the wood until shingles are installed.
Singles are often sold in bundles with three bundles equaling one roof square.
In order to know the appropriate amount of roofing felt to use the roof pitch will need to be calculated first.
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.
3 determine the bundles of shingles needed to cover the roof.
It is common to use 3 bundles to a square of shingles.
Cecil venturella march 3.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
Unless you are applying shingles directly to an already existing asphalt roof you probably also need the same amount of underlayment.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
The number of squares determines the amount of shingles needed.
But with all the different types available not all packs are equal in the amount of pieces they contain the length of the individual shingle and the square foot coverage per pack.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
Not all types of shingles can be used for the starter strip and the ridge capping needed or you could be using ridge caps to cover the top ridge and the hips.
It takes 3 bundles to cover a square if you use 3 tab shingles the most common type.
When figuring the amount of shingles needed to roof a house you first convert the total square footage of the roof to squares a square represents 100 square feet of area covered by shingles.
