Roof framing depends on the type of roof you want to build.
Stick frame roof design.
Then dimensional lumber called rafters are cut to fit one piece at a time and shoved up to a framer on the roof that s balancing on scaffolding who installs the rafters.
Framers stick building a hip roof you can learn a great deal about roof framing by understanding the concepts of framing a gable or shed roof.
The roof makes up much or all off the walls of the home.
The a frame is very easy to identify.
Floor beam span tables of residential structural design we will now look at roof rafter and beam design.
Shed gable hip gambrel and mansard.
Stick framing can t span very far.
It s steep pointed roof which extends all the way to the ground or close to the ground.
Stick framing requires larger lumber and more of it.
Stick framing a roof requires framers to spend much more time on scaffolding ladders and above ground which means more chance for accidents.
Continuing on from part 3.
Instead of the rafters bearing on the outside walls the weight of the rafters hangs.
Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult.
Sometimes the rafter will have a tail and extend out past the wall so that you have a soffit or overhang.
You then have rafters running down from this ridge board and resting on the top wall plates.
Stick framing is building the roof on the construction site one piece or board at a time.
Here we have a wood framed gable roof.
The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial.
Additional boards are placed horizontally on the frames to create a complete cover for the structure.
Let s consider a basic gable wood roof framing design.
Roofs are basically five types.
The beam or the ridge is the central part of the structure as all the framing must be connected to it.
It s a very simple roof design and is inexpensive because the roof serves as both roof and walls.
The gable roof hip roof gambrel roof flat roof shed roof mansard roof and many more custom roof types.
It starts with setting ridge and valley beams above the house walls.
Although truss designed roofs are predominant throughout most of the residential construction industry there are regions where building with stick frame roofs is still common.
There are several roof types.
A stick framed roof uses 2x4 s or 2x6 s or whatever you are framing with but has a ridge board running down the middle ridge line.
Stick framing a roof with a vaulted ceiling is slightly different from framing a roof with a flat ceiling.