Continuing on from part 3.
Steel gable roof framing plan.
Floor beam span tables of residential structural design we will now look at roof rafter and beam design.
Here we have a wood framed gable roof.
Roofs are basically five types.
The framing style of the roof refers to the actual components of each roofing truss and the design of the structural foundation of that roof.
Often seen on complex roof shapes.
Also different architectural styles will use the same type of roof.
Conclusions on roof framing.
Gable roof a gable roof is when all rafters extend downward from the ridge.
A simple gable shed roof is often built using 2 4 or 2 6 lumber for the rafters and 2 4 for the collar ties.
The gable steel engineering team works directly with your local building official on factors such as building code wind speeds snow loads and seismic rating to ensure your building is designed to outlast whatever conditions it is met with.
Choose the design of the roofing trusses.
Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult.
Roof pitch the metal roofing panels shown in this manual require a mini.
The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge.
Parts of a roof a ridge board is a horizontal member of the roof frame.
Dormer a dormer is a roofed structure that is used to increase the livable area in a.
The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial.
Partially these will depend on the style of roof.
You will then have to choose between two very different types of roof framing stick framing vs.
A gable is an extended section of roof that extends from one wall perpendicular to the roof.
Framing most common types of roof gable roof.
At the gable edge use a gable or sidewall flashing.
This will keep weather out prevent lifting in high winds and provide a neat fin ished appearance.
Intricate roofs have many parts that incorporate several of the basic roof designs such as a gable roof sitting atop a gambrel or variations of the gable valley roof design using one or a variety of different types of roof trusses also see our very detailed diagrams showing the different parts of a roof truss.
Usually has a metal valley exposed.
Another common design in the northeast is the saltbox which is a gable roof with one longer side.
Much depends on the structure size and the desired attic loft or headroom.
Let s consider a basic gable wood roof framing design.
Shed gable hip gambrel and mansard.
Simplify your calculations and save time the program will draw a plan of rafters a gable roof and displays the results of the calculation of the gable roof for the entered data in the form of a drawing of a gable roof at different angles and its interactive 3d model.