You need to create the bay window roof separately.
Revit merge roofs.
Select the 2 top faces.
9 join roofs add opening to create dormer.
Then follow these 2 steps.
Choose plugins instant roof make roof in the pop up menu then choose calif ranch from the roof style pull down menu.
From flat roofs to fun free form roofs and everything in between hip gable mansard dutch hip combination and gambrel.
Discover free revit bim objects for roofs.
You cannot join a roof to more than one top face of another roof.
Download manufacturer approved bim content for roofs.
But i m not really sure if this is a best practice.
Examples merge roof planes example 1.
You can join roofs to other roofs or walls or unjoin them if they were previously joined.
Eric wing dives into flat roofs first showing how to pitch insulation to roof drains add crickets and warp roofs to fit sloped framing.
Using shape editing tools.
You can join roofs to other roofs or walls or unjoin them if they were previously joined.
The wall must be attached to the target roof and the target roof must be a footprint roof.
I believe this tools are not design for this purpose.
Use join unjoin roof tool.
Draw a couple of attached boxes representing a main building plus a building extension.
You can join a roof to the top face of another roof and the wall below that roof if you select the wall as the target.
The wall must be attached to the target roof and the target roof must be a footprint roof.
This tool is located in the modify tab.
This is a general.
This is the easiest way to do it.
For creating complex roof it might be easier if you create separate roof then use join roof tool to join them later.
You can join a roof to the top face of another roof and the wall below that roof if you select the wall as the target.
Use it to extend the dormer roof to the main roof.