Number Of Shingles Needed To Cover Roof

In order to know the appropriate amount of roofing felt to use the roof pitch will need to be calculated first.

Number of shingles needed to cover roof.

Divide the roof s total square footage by 100 to determine the number of squares of shingles needed. The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square. There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these. This means that if you are going to be using heavier shingles you will need to have more bundles to cover each square foot.

Add an extra 10 percent. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. 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.

It is common to use 3 bundles to a square of shingles. 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. Cecil venturella march 3. Since transportation is a major cost factor expect prices to vary by location.

Roofing felt also known as tar paper is a roll of felt coverage is often used when constructing a roof. It takes 3 bundles to cover a square if you use 3 tab shingles the most common type. However shingles are packaged in a way that they are light enough for the average person to carry around. 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.

The number of squares determines the amount of shingles needed. Divide the total footage by 100 to determine the number of squares in the roof. The result is 240 and this means you would need 240 squares of shingles to cover that roof. 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.

3 determine the bundles of shingles needed to cover the roof. 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. One pack of standard shingles covers 33 sq. Unless you are applying shingles directly to an already existing asphalt roof you probably also need the same amount of underlayment.

Shingles are sold in squares which are 100 square foot sections of roofing. It provides extra waterproofing to protect the wood until shingles are installed. The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.