Do not use the join geometry roof tool for this task or you may encounter an error when creating the dormer opening.
Revit trim roof.
Cut an opening in a floor roof or ceiling click by face or vertical.
This course covers the topic of adding roofs roof framing and detailing with revit.
Select the roof in that you need to create the cut and choose edit roof modify the contour line of the roof with the help of pick line based on the model lines.
After adding a dormer cut an opening for it through the roof.
Then select the element to trim or extend.
Architecture tab opening panel structure tab opening panel if you chose by face select a face in the floor ceiling or roof.
Architecture tab opening panel structure tab opening panel use the by face.
Create the walls and roof elements that make up the dormer.
Our metal products are built to enhance the strength efficiency and appearance of your next project.
Select the reference to use as a boundary.
Click modify tab modify panel trim drop down trim extend single element.
Use the join roof tool to join the dormer roof to the primary roof.
Download bim objects for berridge metal roof and wall panels download metal roof and wall panel revit families from berridge manufacturing company with the berridge bim library.
Ideally in a floor plan view create model lines on the cut edge of the 2 roofs.