So if the pitch of your roof is 7 12 place one stair gauge on the vertical part of the framing square the tongue at the 7 inches 18 cm mark and place one stair gauge on the horizontal part of the framing square the body at the 12 inches 30 cm mark.
How to use framing square for roof pitch.
For this project you will need.
The triangle shaped square was invented in 1925 by albert swanson to provide a quick accurate method for marking rafters.
This article will explain the basics of how to cut a roof rafter using a framing square in 4 easy steps.
Because of its compact size it is frequently used as a saw guide when cutting framing members as well as a layout tool for quick 45 and 90 degree cuts.
From one end of the rafter material using a speed square or framing square mark an x in 12 angle on the rafter and cut it measure down y height from the long point of the rafter cut and make a mark.
Step 1 determine the roof pitch.
A long standing use of the framing square that is missed by many new carpenters is the rafter table imprinted right on the framing square itself.
This will the first point of the rafter measurement line using the results of your rafter length calculation measure from this point along the rafter measurement.
A carpenter s framing square includes some tables stamped right into the tool itself.
How to use a framing square and its etched on tables to figure out roof slope rafter lengths.
Roof framing rafter layout.
Square guides are available at most hardware and home improvement centers.
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.
The slope or pitch of a roof is measured in inches of vertical rise per foot of horizontal run.
Finding the pitch of a roof is simple with a speed square.