It happens when you have a roof that s defined by walls of different thicknesses or if one side is defined by a wall with a set overhang and the other side is merely a sketched line drawn a certain distance away from the wall.
Revit roof ridge not aligned.
How to create roof ridge caps and roofing sheets in revit models in a simple way.
I have run into this problem several times myself.
Discover free revit bim objects for roofs.
To align roof ridges use the align tool.
In the work plane dialog select the reference plane name you just created and click ok.
This four minute friday will show how to adjust roof eave edges.
Roof ridge not centered.
How to create roof ridge caps and roofing sheets in revit models in a simple way.
Select the reference plane and on the properties palette enter a name for the plane.