How Does A Roofing Square Work

This is the same area as a roof that is 4 x 25 or a roof that is 5 x 20.

How does a roofing square work. So in a sense we re talking about square feet but using this unit makes it easier to calculate the footage or required materials and cost of a roofing project. Instead a square is a term of measurement all its own. The rafter square is designed to take advantage of the geometric laws of the right triangle. It does not matter how you arrive at 100 square feet.

It can be used for making small roofs such as those on dog kennels or on large projects such as a house roof. For example consider a roof that is 10 by 10. The angle at which the. It s also important to keep in mind that a single roofing square can be the same for homes with widely varying roof dimensions.

In the roofing industry the term square is unique. 1 roofing square 100 square feet. 10 feet x 10 feet 100 square feet or 1 roofing square 5 feet x 20 feet 100 square feet or 1 roofing square 2 feet x 50 feet 100 square feet or 1 roofing square 50 feet x 50 feet 2500 square feet so 2500 100 25 roofing squares. The total area is 100 square feet.

The term roofing square and roof pitch are the most commonly used terms in the roofing industry. Also known as a framing square this device is widely used for a range of purposes including building wooden frames. Swing the square until you read the desired angle on the board s edge and make your mark. Photo 2 shows how to use the speed square to mark a 33 1 2 degree angle the same as you would need on a rafter tail for a roof with an 8 12 pitch.

When you are building or repairing a roof one of the chief tools you can use is a roofing square. For example the right triangle has by definition one ninety degree angle. Nor does it refer to squared yards. It does not refer to squared feet.