Number Of Shingles Needed To Cover Roof

Unless you are applying shingles directly to an already existing asphalt roof you probably also need the same amount of underlayment.

Number of shingles needed to cover roof.

Add an extra 10 percent. 3 determine the bundles of shingles needed to cover the roof. Cecil venturella march 3. Singles are often sold in bundles with three bundles equaling one roof square.

One pack of standard shingles covers 33 sq. Divide the roof s total square footage by 100 to determine the number of squares 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. It takes 3 bundles to cover a square if you use 3 tab shingles the most common type.

As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. Divide the total footage by 100 to determine the number of squares in the roof. Shingles are sold in squares which are 100 square foot sections of roofing. 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 average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square. However shingles are packaged in a way that they are light enough for the average person to carry around. 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. Roofing felt also known as tar paper is a roll of felt coverage is often used when constructing a 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. However if you are using heavier shingles you will require 4 to 5 bundles for a square. 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. It is common to use 3 bundles to a square of shingles.

The number of squares determines the amount of shingles needed. There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.

The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square. In order to know the appropriate amount of roofing felt to use the roof pitch will need to be calculated first. Since transportation is a major cost factor expect prices to vary by location.