1 roofing square 100 square feet.
How does a roofing square work.
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.
It does not refer to squared feet.
For example consider a roof that is 10 by 10.
The angle at which the.
This is the same area as a roof that is 4 x 25 or a roof that is 5 x 20.
It can be used for making small roofs such as those on dog kennels or on large projects such as a house roof.
Nor does it refer to squared yards.
The total area is 100 square feet.
It does not matter how you arrive at 100 square feet.
For example the right triangle has by definition one ninety degree angle.
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.
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.
In each case the size is the same.
Swing the square until you read the desired angle on the board s edge and make your mark.
Instead a square is a term of measurement all its own.
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.
The rafter square is designed to take advantage of the geometric laws of the right triangle.
Bundles of roofing material per square.