In the roofing industry the term square is unique.
How does a roofing square work.
1 roofing square 100 square feet.
Swing the square until you read the desired angle on the board s edge and make your mark.
For example consider a roof that is 10 by 10.
For example the right triangle has by definition one ninety degree angle.
When you are building or repairing a roof one of the chief tools you can use is a roofing square.
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.
Bundles of roofing material per square.
Instead a square is a term of measurement all its own.
In each case the size is the same.
The term roofing square and roof pitch are the most commonly used terms in the roofing industry.
Nor does it refer to squared yards.
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.
It s also important to keep in mind that a single roofing square can be the same for homes with widely varying roof dimensions.
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.
The total area is 100 square feet.
Also known as a framing square this device is widely used for a range of purposes including building wooden frames.
One roofing square is equal to 100 square feet.
This is the same area as a roof that is 4 x 25 or a roof that is 5 x 20.
It does not matter how you arrive at 100 square feet.