If you try to add a roof on the lowest level a dialog prompts you to move it to a higher level.
Revit roof intersection.
Creates a roof using the building footprint to define its boundaries.
Click architecture tabbuild panelroof drop down roof by footprint.
Ok this is a bit of an old problem that i feel i should just know how to do but always comes back to vex me.
In the attached massing model i have several roofs that i wish to simply clean up where they meet so that when i look at the floor plan and section they appear as all joined together.
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Use it to extend the dormer roof to the main roof.
Have a look at all of them by industry here.
Use join unjoin roof tool.
Display a floor plan view or a reflected ceiling plan view.
9 join roofs add opening to create dormer.
In other words i d like roof 1 roof 2 roof 3 and roof 4 to all be joined with no overlap internally.
Revit architecture forum roof intersections.
This tool is located in the modify tab.
You could try unjoining them all then re joining them in a different order.
If you choose not to move the roof to a different level revit notifies you later if the roof.