Roof Beam Framing Plan

The finished ridge beam height z above the top of the wall will be m plus the y height.

Roof beam framing plan.

Transfers the load of the roof through the raftersto walls below. 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 point at which all the rafters are attached to. Framing a roof is the last step in framing new construction.

Supported by lally columns. 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. 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. 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.

Parts of a roof a ridge board is a horizontal member of the roof frame. Ridge beam sits below the rafters. Here we have a wood framed gable roof. Let s consider a basic gable wood roof framing design.

Continuing on from part 3. 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. Determining the ridge beam height. Floor beam span tables of residential structural design we will now look at roof rafter and beam design.