How Does A Roofing Square Work

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.

How does a roofing square work.

For example consider a roof that is 10 by 10. It does not refer to squared 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. It can be used for making small roofs such as those on dog kennels or on large projects such as a house roof.

1 roofing square 100 square feet. It does not matter how you arrive at 100 square feet. In each case the size is the same. The total area is 100 square feet.

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. In the roofing industry the term square is unique. It s also important to keep in mind that a single roofing square can be the same for homes with widely varying roof dimensions. Nor does it refer to squared yards.

Swing the square until you read the desired angle on the board s edge and make your mark. For example the right triangle has by definition one ninety degree angle. Also known as a framing square this device is widely used for a range of purposes including building wooden frames. Instead a square is a term of measurement all its own.

The term roofing square and roof pitch are the most commonly used terms in the roofing industry. This is the same area as a roof that is 4 x 25 or a roof that is 5 x 20. The angle at which the. Bundles of roofing material per square.