The tongue on 8 and the blade on 15.
How to use a roof framing square.
This article explains how to make quick use of a framing square and its imprinted data to get some basic roof measurement data like roof pitch or slope rafter lengths and end cuts.
Make a mark along the tongue.
A carpenter square also sometimes known as a framing square or speed square is a type of carpentry tool commonly used by carpenters builders and other home improvement aficionados.
Square guides are available at most hardware and home improvement centers.
How to use a framing square for angles.
How to use a framing square and its etched on tables to figure out roof slope rafter lengths.
A quick check with a carpenter square gives you the ability to measure and mark precise angled dimensions for complex projects like roofs rafters and stairways.
There are 8 of rise for every 15 of run.
A carpenter s framing square includes some tables stamped right into the tool itself.
A framing square is a lot more than a simple square cut saw guide.
Determine the roof s pitch.
Assume an 8 15 pitch.
How to use a framing square.
Place the framing square at the top edge of the rafter.