Roof Beam Framing Plan

Let s consider a basic gable wood roof framing design.

Roof beam framing plan.

Framing a roof is the last step in framing new construction. Some of these can support the roof and prevent ridge sagging and wall spreading. Collar ties rafter ties tension beams structural ridge beams. 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.

Floor beam span tables of residential structural design we will now look at roof rafter and beam design. 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. 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. 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.

Ridge beam sits below the rafters. Supported by lally columns. Determining the ridge beam height. Roof framing simply describes how a group of rafters and beams are fitted or joined together in order to provide support for the roof covering.

The finished ridge beam height z above the top of the wall will be m plus the y height. Here we have a wood framed gable roof. Continuing on from part 3. Parts of a roof a ridge board is a horizontal member of the roof frame.