See hd version of video tutorial here.
Revit roof unwanted valley.
To create a dormer model required walls and additional roof.
Is there any other way of creating roof valley.
Get these project files and all advanced 1h courses.
9 join roofs add opening to create dormer.
This tool is located in the modify tab.
Edit the roof sketch double click the roof or select the roof and click modify roofs tabmode panel edit footprint or edit profile.
Use it to extend the dormer roof to the main roof.
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 join unjoin roof tool.
I did on my model but i am not very happy with the results.
Then follow these 2 steps.
After creating a roof you can change its shape or overhang cut openings or align ridges.
Tutorial on roof construction modeling in revit.