3 edit the footprint of the unjoined roof.
Revit joining exting and new roof.
The eaves and type of cuts are the same but it still says they can t be joined.
9 join roofs add opening to create dormer.
If anyone is still looking for a solution you can make a roof cut into an existing roof using component model in place.
To create a dormer model required walls and additional roof.
Use join unjoin roof tool.
Click modify tab geometry panel join unjoin roof.
Then follow these 2 steps.
It will place in the new construction phase.
If necessary use the viewcube to spin the design to facilitate selecting the wall or roof edges.
Use it to extend the dormer roof to the main roof.
How to join two roof aug 19 2013.
This tool is located in the modify tab.
Align one edge of the roof to the reference plane.
You can only modify this setting if the detail level of the view is coarse this technique is useful if you have a lot of walls removing the tedious process of manually adjusting the join and boundary of each individual wall.
This should keep you existing roof in tact and show a cut in the new construction phase.
The third and final technique to control the wall joins is to use wall join display in the instance properties of the view.
2 create a reference plane 1 away from the edge of the second roof.
Hope this is of assistance.
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.
3 adjust wall join display in view properties.
4 copy the roof paste it in the same place.
1 unjoin the roof.
Join date august 9 2011 location louisville ky posts 6 388 current local time 06 22 pm.