For creating complex roof it might be easier if you create separate roof then use join roof tool to join them later.
Revit how to create a custom roof.
How can make mansard roof in the revit architecture.
Create two vertical reference plans on each side of the center axis.
Creating complex sloping roofs in revit 2014 roof junctions controlling roof slopes and levels.
We can learn it with watching this video.
Located in the architecture tab this tool is used to create a dormer shaped hole in the main roof.
You may have to adjust its xyz location before finishing the mass which can be accomplished in plan or elevation.
Click the green check to complete the opening.
Create model file select the surface or the extrusion use file export selected objects and select the sat file extension.
Using shape editing tools.
Please like this tutorial.
Open up revit and create a new structural framing complex and trusses.
This is the easiest way to do it.
Tutorial revit architecture 2017 lezione 40 inserire e personalizzare scossalina tetto in revit how to create and custom fascia and flashing roof in.
I believe this tools are not design for this purpose.
But i m not really sure if this is a best practice.
Select the main roof then click on dormer walls and roof.
Open up the front elevation and hide the level in visual graphic vg.