On the contextual tab of the ribbon select attach and then select the flat roof.
Roof in revit 2020.
Display a floor plan view or a reflected ceiling plan view.
On the options bar for overhang enter 600 and select defines slope.
This video was recorded using revit 2012.
This video demonstrates the following.
If you try to add a roof on the lowest level a dialog prompts you to.
Select an interior wall and then right click.
Define a sloped edge to a sketch line.
Open the 02 lower parapet floor plan.
Use a slope arrow to define the slope.
Click architecture tab roof drop down roof by footprint.
Create a roof from a building footprint or an extrusion.
Sloped edges on a roof sketch line create a sloped roof.
Choose the method that best.
To edit roof.
On the draw panel select a sketch or pick tool.
On the draw panel click pick walls.
Create a sloped roof with an overhang.
About roofs revit offers several methods of creating roofs.
Now the interior walls stop at the underside of the roof and no longer extend through the flat roof.
Click architecture tab build panel roof drop down roof by footprint.
When using a newer software release you may notice.
Create a roof by footprint.
From the contextual menu choose select all instances visible in view to select all of the interior walls.