If the go to view dialog displays select the appropriate plan view in which to edit the profile.
Revit 2018 cut extruded roof.
Click architecture tab build panel roof drop down roof by extrusion.
Posted june 18 2009.
Determine the length of the void ideally in 3d view at wireframe mode extend this in order to intersect the roof surface that will be cut use the cut geometry command and select first the roof than the void.
Display an elevation 3d or section view.
You can join roofs to other roofs or walls or unjoin them if they were previously joined.
You cannot join a roof to more than one top face of another roof.
Cut openings in an extruded roof select the extruded roof and click modify roofs tab opening panel vertical.
Creates a roof by extruding a profile that you sketch.
Closed loop sketches in sketch mode click.
Valid boundaries are a joined roof or its bottom face a side face of a wall a bottom face of a floor an edge of the roof to be cut or a model line on the face of the roof to be cut.
The highest level in the project is selected by default.
This is a general.
In the roof reference level and offset dialog select a value for level.
In this example side faces of walls and joined faces of the roof were selected.
Add vertical or by face opening this is part of the revit pure basics package.
You can use model in place when you want to cut system families like roofs or walls.
Specify the work plane.
Valid boundaries are highlighted.
After that you can click finish to execute the cut.
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.