How Many Roof Shingles Do I Need

So in the gable roof example above you need 240 squares of underlayment.

How many roof shingles do i need.

You can t merely go by the number of shingles in a bundle since shingle size and coverage vary from one brand to the next. Although ceramic tile roofs are expensive they can have a life span of over 100 years. 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. Be sure to add a couple of bundles for double first row and capping.

For example if brand a has 20 shingles in a package but brand b has 26 it could be that the brand a bundle covers more area. Community answer 1460 divided by 100 equals 14 6 squares so 14 6 x 3 bundles per square equals 43 8 bundles. However shingles are packaged in a way that they are light enough for the average person to carry around. 3 bundles per square.

Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run. Compute the area of the whole roof and determine the number of bundles. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. 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.

Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. For a new roof you will also need the same amount of underlayment. 100 sq ft 21 shingles per bundle.

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. The key dimension you need to look at is the area covered per bundle. This means you would need 240 squares of shingles to cover that roof. It is common to use 3 bundles to a square of shingles.

33 square feet per bundle 100 square feet per square 4 nails per shingle. Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years. When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle. Also have a couple of bundles spare on hand to cover wind damage etc.

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. 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.