Display an elevation 3d or section view.
Roof by extrusion.
We also need to use a refrence plane upopn which we can sketch the side profile for our extrusion.
So first of all let s go ahead and create our reference plan.
Creates a roof by extruding a profile that you sketch.
In the roof reference level and offset dialog select a value for level.
Specify the work plane.
Within revit the roof by extrusuion tool is used in an elevatation or section view as opposed to the roof by footprint tool which is used in a plan view.
The highest level in the project is selected by default.
Click architecture tab build panel roof drop down roof by extrusion.