How Do You Figure How Many Shingles For A Roof

Determine the number of shingle bundles you ll need by multiplying by 3.

How do you figure how many shingles for a roof.

To figure out how many bundles you ll need multiply the number of squares by 3. A square of shingles would be a minimum of three bundles. Shingles typically come in a bundle that s large enough to cover 1 3 of a square. However if you are using heavier shingles you will require 4 to 5 bundles for a square.

Place the end hook of the tape on the corner and run it all the way to the opposite corner of the house. So if you have 24 squares multiply that by 3 to get 72 bundles. When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle. The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.

A square of roof is approximately 100 square feet of space on top of your home whether it runs at a slant horizontal to the yard or vertically toward a chimney or gable. Measure your roof accurately use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Since transportation is a major cost factor expect prices to vary by location.

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. Outside of the u s a degree angle is typically used. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square.

Then add 10 to the number to account for waste. To estimate roofing materials start by finding the total square footage of the roof and divide the number by 100 to determine the number of squares in the 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. Singles are often sold in bundles with three bundles equaling one roof square.

The number of squares determines the amount of shingles needed. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. 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.

As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches.