How Many Shingles For My Roof

For a new roof you will also need the same amount of underlayment.

How many shingles for my roof.

Note that in the last 3 4 years costs of roof shingles and many accessories have gone down by an average of 18 20 currently the us national average for benchmark architectural shingles is around 74 51 square or 25 per bundle. Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry. 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. 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. The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square. However if you are using heavier shingles you will require 4 to 5 bundles for a square. When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle.

However shingles are packaged in a way that they are light enough for the average person to carry around. 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.