How Many Squares Of Shingles For My Roof

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.

How many squares of shingles for my roof.

Each plywood sheet is 4 x 8 feet or 32 square feet which coincidentally is almost exactly equivalent to the coverage of one bundle of traditional three tab shingles. In other words if you buy 3 bundles of shingles this will cover one square which is 100 sq ft of area. Another rule of thumb that can give you a ballpark estimate of the roof area on newly built roofs is to look at the number of sheets of plywood used for the roof deck. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.

A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. 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. When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle. It is common to use 3 bundles to a square of shingles.

The hardest part is how you determine the number of bundles it requires you to order to cover all your roof areas. However if you are using heavier shingles you will require 4 to 5 bundles for a square. Singles are often sold in bundles with three bundles equaling one roof square. The most common is to have three bundles of shingles for a square of roof area.