Roof Beam Framing Plan

The point at which all the rafters are attached to.

Roof beam framing plan.

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. Collar ties rafter ties tension beams structural ridge beams. Ridge beam sits below the rafters. Let s consider a basic gable wood roof framing design.

Transfers the load of the roof through the raftersto walls below. Floor beam span tables of residential structural design we will now look at roof rafter and beam design. 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. Some of these can support the roof and prevent ridge sagging and wall spreading.

The finished ridge beam height z above the top of the wall will be m plus the y height. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial. Parts of a roof a ridge board is a horizontal member of the roof frame. Framing a roof is the last step in framing new construction.

Continuing on from part 3. 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. Here we have a wood framed gable roof. Supported by lally columns.