Laying Out a Common Rafter - Fine Homebuilding
Laying out hip, valley, and jack rafters takes experience and skill, but if you’re building a simple gable or shed roof, all you need is the common rafter, the basic building block of roof framing. To lay out a common rafter, you need the pitch of the roof, expressed in units of rise per foot of run.
Beginner Rafter Layout | Speed Square | Common Rafter - YouTube
2020年2月25日 · Today we are tackling a big beginner lesson, which is common rafter layout and cutting. Common rafters are the most 'common' type of rafter in construction, therefore, it's the best place...
Common Rafter Framing - THISisCarpentry
2012年11月9日 · The next step is to layout and cut the rafter. First, I attach a set of stair gauges to my framing square, so I can make precise, repetitive marks. In this case, I attach the gauges for a 6/12 pitch—6 in. on the tongue of the square and 12 in. on the body of the square.
Framing Square Basics: Rafter Layout - JLC Online
2022年7月7日 · Learn how to read the rafter table on the front of the square and use the numbers it contains to lay out the rafter cuts needed to frame a roof. Hidden in the rafter table is the base, altitude, and hypotenuse for 34 different right triangles; John Carroll lays out how to use these numbers to frame a roof.
COMMON RAFTER LAYOUT WITH FRAMING SQUARE Top and Bottom Cuts. The top plumb cut is made at the upper end of the rafter where it rests against the opposite ridge board or against the rafter. The bottom or heel cut is made at the lower end which contacts the plate.
Rafter Guide: Rafter Lengths • Rafter Angles • Rafter Cuts
The rafter square and framing square save time on roof construction. All necessary cuts for a particular rafter can be laid out with these two squares. A basic knowledge of rafters helps determine what scale and what number on the tool to use. The information in the following rafter manual will help when using these tools.
4/12 Common Rafter Made Simple- Tips and Lengths
Below is a list of rafter lengths for building widths from the outer wall to the center peak. Measure the length of the rafter (before adding the overhang) and mark the rise 3/12 in the same direction as the peak. Place a scrap board (the same width as the wall) against the length mark.