Summary 1 unjoin the roof 2 create a reference plane 1 away from the edge of the second roof 3 edit the footprint of the unjoined roof.
Revit joining exting and new roof.
When we create the new entrance area roof we will need to join the two roofs together via the join unjoin roof command found in the modify tab geometry panel join unjoin roof command.
Use join unjoin roof tool.
Click modify tab geometry panel join unjoin roof.
Select an edge of the roof that you want to join and then select the wall or roof to which you want to join the roof.
To create a dormer model required walls and additional roof.
It will place in the new construction phase 5 edit the footprint of the new roof.
Align one edge of the roof to the reference plane 4 copy the roof paste it in the same place.
Then follow these 2 steps.
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