| The constant companion of every skilled carpenter is the steel square. All carpenters have a good general knowledge of the steel square. If you know how to use it, you can determine every angle used in the construction of a building. This course covers: General Description of the Steel Square; Scales on the Steel Square; How to Use the Square-Making a Fence; Steel Square in Making a Brace; Brace Measure; Types of Roofs; Roof Framing; Types of Rafters; Rafter Cuts; Common Rafters; Rafter Tables; Hip and Valley rafters; Backing hip rafters; Jack rafters; Cripple Jack Rafters; Other uses of the Steel Square-Octagon Scale; Use of Steel Square in Beveling, Building a Ladder Stair, and Making Braces; Laying Out Wall Lines; Bridging for Floor Joists; Spacing Studding; Preparing Braces for Trussed Openings in Partitions; Common Rafters; Hip Rafters; Hip Jack Rafters; Valley Rafters; Cripple-Jack Rafters; Dormer Window. |