After creating a roof you can adjust the height of the eaves.
Revit roof different eave heights.
Assuming that you don t want your eaves jumping up and down i think you will need to start tweaking the roof slopes.
Use the align eaves tool to realign eave heights of different boundary lines of a roof.
If the roofs have different overhang dimensions you either have different slopes or different eave heights.
Align eaves i get the same amount of drop but we have the other option.
This tool is located in the modify tab.
Changing a roof slab plate height and trimming it in autocad architecture 2014.
To create a dormer model required walls and additional roof.
Then follow these 2 steps.
While in sketch mode click modify roofs edit footprint tab tools panel align eaves.
While in sketch mode select a slope defining boundary line.
Fascia tool to sweep along eave and the rake which still leaves me with an open end.
On the properties palette specify a value for offset from roof base or plate offset from base.
The roof with the lower eave height would require a roof slope pitch greater that the roof with the higher eave height.
It essentially works the same way in that we pick our line that we want to keep or align to first and then we pick the eave line that we want to adjust as well as the other one.
Select a roof eave line and then select an option for adjusting eave properties.
Use join unjoin roof tool.
9 join roofs add opening to create dormer.
To keep the ridge line centered on the structure and have 2 eaves at different heights with identical overhangs you would have to have 2 different roof slopes.
Take a look in 3d to see what is really happening.
Rather than adjusting the overhang i can adjust the height effectively the bearing height of that edge of the roof.
Click finish edit mode.
Use it to extend the dormer roof to the main roof.