Roof Beam Framing Plan

Let s consider a basic gable wood roof framing design.
Roof beam framing plan. In order to do roof framing properly it is important to understand the unique shape and dimensions of your roof since these will greatly impact the geometry of the roof frame. While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below. Framing a roof is the last step in framing new construction. Here we have a wood framed gable roof.
Parts of a roof a ridge board is a horizontal member of the roof frame. The finished ridge beam height z above the top of the wall will be m plus the y height. Collar ties rafter ties tension beams structural ridge beams. Continuing on from part 3.
Supported by lally columns. If you know the slope x in 12 you want to use for your roof framing design you can use it along with the run r to determine the height of the ridge beam for example if the slope is 4 in 12 and the run is 12 feet the ridge beam height m will be 4 feet. Ridge beam sits below the rafters. The point at which all the rafters are attached to.
This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. Some of these can support the roof and prevent ridge sagging and wall spreading. Determining the ridge beam height. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial.