Revit building helps you create dormer roofs including the dormer geometry required by the opening in the main roof.
Revit add dormer roof.
This tutorial explains the process to create a gable dormer in revit.
Draw three walls.
After adding a dormer cut an opening for it through the roof.
In any elevation view add a new level that represents the top of the dormer walls and the level where you will draw.
First a work plane needs to be decided upon.
Use the join roof tool to join the dormer roof to the primary roof.
You can model this in any of the 3 primary roof modelling methods but in the example i have opted to use the roof by extrusion tool.
Open a plan view or an elevation view in which you can see the.
Make the roof level the current view.
Create a dormer opening in a roof.
Create the walls and roof elements that make up the dormer.
To create a dormer roof we first need to start with the smaller roof portion of the dormer.
Use the join roof tool to join the dormer roof to the primary roof.
Create the walls and roof elements that make up the dormer.