Use join unjoin roof tool.
Ghost roof in revit.
For creating complex roof it might be easier if you create separate roof then use join roof tool to join them later.
9 join roofs add opening to create dormer.
Using shape editing tools.
Roof construction in revit.
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I believe this tools are not design for this purpose.
After creating a roof you can change its shape or overhang cut openings or align ridges.
Https youtu be pl5jqj8btfc wall layers in revit tutorial.
Then follow these 2 steps.
This tool is located in the modify tab.
See hd version of video tutorial here.
You need to create the bay window roof separately.
Bristile roofing bim library.
Colours and range included.
If you want to change the position of the roof use the properties palette to edit the base level and offset properties to change the position.
Use it to extend the dormer roof to the main roof.
Edit the roof sketch double click the roof or select the roof and click modify roofs tabmode panel edit footprint or edit profile.
But i m not really sure if this is a best practice.
Jpeg cad and revit files to assist in specifying and building with bristile roofing.
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