This tool is located in the modify tab.
Revit extend one roof to another.
Hilite the line of the rectangle roof where a little triangle symbol appears indicating that the roof slopes towards that side the slope is indicated by the following notation 9 12 which apears when you touch the littl triangle entering smaller number instead of 9 lowers the roof on the ridge side.
The downside about this method is you can t join the roof to another roof.
You can move the roof from elevation view or change the offset value.
This allows you to pick a roof edge then extend it to another roof edge or a wall.
Trim or extend one element to a boundary defined by another element.
Then select the element to trim or extend.
After you sketch walls and a roof for your design sketch another roof that you want to join to the original roof.
Use it to extend the dormer roof to the main roof.
You can drag any point in your roof and adjust the roof shape as you want.
In this sample i only use one.
If this element crosses the boundary or a projection the part that you click is retained.
Select the reference to use as a boundary.
So you will have two separate roof.
First welcome to rfo mtnfrost.
On revit 2016 under architecture modify geometry you have a button to extend one roof to join another easily by touching each in turn.
Sometimes however it doesn t work as expected.
After installing the rafters we still had to extend the porch roof back over the shed roof creating a valley on either side.
Use join unjoin roof tool.
Click modify tab modify panel trim drop down trim extend single element.
If desired set the lines of the second roof to be slope defining except the roof line that will be coincident with the first roof or the.
You also need to adjust the roof height to match the other roof.
To keep the porch roof framing as simple as possible we installed a structural ridge supported by posts at each end with the common rafters landing on top of the ridge.
Http pbl stanford edu how to attach walls to roof objects in revit.
To create a dormer model required walls and additional roof.
As daniel mentioned there s a tool under the modify tab geometry panel to join unjoin roofs.