Posted june 18 2009.
Revit 2018 cut extruded roof.
Valid boundaries are highlighted.
If the go to view dialog displays select the appropriate plan view in which to edit the profile.
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.
Check out the full thing.
Cut openings in an extruded roof select the extruded roof and click modify roofs tab opening panel vertical.
I can t seem to cut out the roof where the walls of the 2nd floor extrude up past the roof.
Creates a roof by extruding a profile that you sketch.
Display an elevation 3d or section view.
In this example side faces of walls and joined faces of the roof were selected.
Closed loop sketches in sketch mode click.
Add vertical or by face opening this is part of the revit pure basics package.
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.
The wall must be attached to the target roof and the target roof must be a footprint roof.
This is a general.
In the roof reference level and offset dialog select a value for level.
Click architecture tab build panel roof drop down roof by extrusion.
The highest level in the project is selected by default.
After that you can click finish to execute the cut.
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.