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.
Revit extend one roof to another.
As daniel mentioned there s a tool under the modify tab geometry panel to join unjoin roofs.
In this sample i only use one.
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.
If this element crosses the boundary or a projection the part that you click is retained.
Http pbl stanford edu how to attach walls to roof objects in revit.
The from the modify tab on the ribbon allows you to extend one roof element over and into another true changing the name of a level tag in elevation causes revit to rename all the corresponding views plan ceiling etc if you answer yes to the prompt.
Then select the element to trim or extend.
To create a dormer model required walls and additional roof.
Select the reference to use as a boundary.
Use join unjoin roof tool.
This tool is located in the modify tab.
You can move the roof from elevation view or change the offset value.
So you will have two separate roof.
Click modify tab modify panel trim drop down trim extend single element.
First welcome to rfo mtnfrost.
This allows you to pick a roof edge then extend it to another roof edge or a wall.
You can drag any point in your roof and adjust the roof shape as you want.
The downside about this method is you can t join the roof to another roof.
You also need to adjust the roof height to match the other roof.
Then follow these 2 steps.
Sometimes however it doesn t work as expected.
Use it to extend the dormer roof to the main roof.
Note that you cannot add the.
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.
After installing the rafters we still had to extend the porch roof back over the shed roof creating a valley on either side.