After you sketch walls and a roof for your design sketch another roof that you want to join to the original roof.
Revit roof by wall.
Create the dormer roof and join it to the main roof.
You can set an overhang on roofs created with pick walls.
If desired set the lines of the second roof to be slope defining except the roof line that will be coincident with the first roof or the wall.
Select each boundary line and set the value in properties or in option bar.
Confused by revit roofs.
Note that you cannot add the second roof by editing the sketch of the first.
Now select one of or all the walls you that want to attach to the bottom of the roof and mould into the roof s shape.
This video demonstrates the following.
Now we are going to join the walls to this roof so that it becomes pitched exactly as the roof is.
Select the wall type and constraints for a dormer that will be added to a roof.
This video was recorded using revit 2018.
5 activate overhang on picked walls roofs.
Create the roof opening and finish the dormer.
In revit how to use revit modeling revit revit 3d revit 3d modeling revit architecture revit tutorial roof in.
You will get all the answer in this short and efficient video.
See hd version of video tutorial here.