# How Big is a Square in Roofing?

The question “How big is a square in roofing?” is the most commonly asked question of home owners, contractors and roofers alike. The total square footage of your home can be used as an indication of how large your roof is, since the calculation considers only the area of the entire roof, not just parts of it. Roofs differ in size according to the number of stories or layers they contain. The following information provides some handy square footage calculators for you to use.

You can get the answer of “How big is a square in roofing” by either calculating the actual total square footage of your home using traditional methods or using the modern calculation technique of roof area. Using traditional calculation techniques, the calculation of the area of the roof includes the sum of all the roofing sections, such as the ridge, top, and base materials as well as any valleys or ridges that might exist under the roof. Using this method, the calculation will return the number of shingles needed to cover the total area. However, the number of shingles used in a particular calculation is determined by the manufacturer’s specifications. If you need more information on how many shingles are typically used in your particular design, contact your manufacturer for that information.

New roofs are measured by the rafters, which are the left over sections of the old roof. These are used as measurements to determine the size of a new roof. For existing homes, the calculation includes the right and left over flashing, nailing, and trimmings such as chimney pots and metal gables. Using the same formula as a traditional calculator, the new roof area is then figured from the existing square footage. The new total square footage is then multiplied by the number of tiles in the new roof.

Many roofing companies use a traditional square inch formula for calculating roof area, but there are some other options available. Other options include the American Standard Beveling Method, the United States National Association of Home Builders (USHB), and Nachtsman’s Nautical Almanac. In order to determine the exact square footage, it is best to contact a roofing professional who will be able to help you determine the exact value of your roof.

The final factor in determining how big is a square in roofing is the thickness of the membrane or layer of felt beneath the shingles. Different manufacturers require different thicknesses of felt. Feel thicknesses are based on the manufacturer’s recommendations. The final component is the underlayment layer, which will provide structural integrity against both wind and water pressure. The thickness of the underlayment will depend on your particular home and climate.

It is important to realize that each of these individual factors will have an impact on the size of your new roof. By following the above instructions, you should be able to determine how much square footage you will need to build. Then, when you contact a roofing company, they should be able to help you calculate how many shingles you will need to install. Remember, the larger the square footage of roofing underlayment you purchase, the smaller the overall diameter of the new roof.