If not selected it means the roof is not part of a room boundary.
Revit 2018 modify extruded roof.
The highest level in the project is selected by default.
Use join unjoin roof tool.
Reference planes define the boundary of the roof.
Select the extruded roof and click modify roofs tab opening panel vertical.
Create a roof by extrusion creates a roof by extruding a profile that you sketch.
Click modify create extrusion tab mode panel finish edit mode.
To view the extrusion open a 3d view.
Revit places a reference plane at the specified offset.
You cannot join a roof to more than one top face of another roof.
To assign a solid extrusion to a subcategory under identity data for subcategory select a subcategory.
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.
Using the reference plane you can control the position of the extruded roof in relation to a level.
If the go to view dialog displays select the appropriate plan view in which to edit the profile.
Cut openings in an extruded roof select the extruded roof and click modify roofs tab opening panel vertical.
Use it to extend the dormer roof to the main roof.
9 join roofs add opening to create dormer.
The wall must be attached to the target roof and the target roof must be a footprint roof.
Cut openings in an extruded roof.
To raise or lower the roof from the reference level specify a value for offset.
This is a general.
This tool is located in the modify tab.
If selected it means the roof is part of a room boundary.
Modify a roof after creating a roof you can change its shape or overhang cut openings or align ridges.
A plan view representation of the roof displays.
Then follow these 2 steps.
Sets the level for the footprint or extruded roof.
This property is read only before creating a roof.
The work plane with which an extruded roof is associated.
To create a dormer model required walls and additional roof.
Join roofs you can join roofs to other roofs or walls or unjoin them if they were previously joined.
Eaves when creating a roof specify an overhang value to create eaves.
Roof slope you can define the slope of a roof using various methods.
Closed loop sketches in sketch mode click.
If the go to view dialog displays select the appropriate plan view in which to edit the profile.