As you can see in the illustration below roofs have hip rafters ridge boards jack rafters and more.
Roof framing plan meaning.
1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches.
The ridge cut is modified to fit into the space between the common rafters roof types sizing.
A roof framing plan focuses on the structures and supports used to construct the roof and is different from the standard roof plan.
The hip or valley rafter forms a diagonal on the roof and the length of that diagonal is 17 for each 12 of run of the common rafters.
A roof framing plan possibly a floor framing plan.
Here is a closer look at common roofing terms.
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.
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.
If the unit of rise in inches is 3 then the cut is the unit of rise and the unit of run 12 inches or 3 12.
As you can see the initial plan for framing your roof needs to take into account several key variables such as the shape of the roof and any relevant community building codes.
Conclusions on roof framing.
Collar ties rafter ties tension beams structural ridge beams.
Line length is the hyptenuse of the triangle whose.
Some of these can support the roof and prevent ridge sagging and wall spreading.
Roof framing involves a lexicon all its own.
The point at which all the rafters are attached to.
This gallery includes terrific roof design illustrations so you can easily see the differences between types of roofs.
Includes a frame bonnet gable hip mansard butterfly valley combination shed and more.
You will then have to choose between two very different types of roof framing stick framing vs.
Rafters give the roof its shape and definition.
Discover the 36 different types of roofs for a house.
Essential advice for owner builders.
Roof framing plan what is roof framing plan.
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.
Figure 2 2 roof framing terms.
Transfers the load of the roof through the raftersto walls.
When working on a roof it pays to be familiar with these terms.