Make the roof level the current view.
Revit add dormer roof.
Draw three walls.
Do not use the join geometry roof tool for this task or you may.
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.
Create the walls and roof elements that make up the dormer.
First a work plane needs to be decided upon.
To create a dormer roof we first need to start with the smaller roof portion of the dormer.
This tutorial explains the process to create a gable dormer in revit.
Revit building helps you create dormer roofs including the dormer geometry required by the opening in the main roof.
In any elevation view add a new level that represents the top of the dormer walls and the level where you will draw.
Use the join roof tool to join the dormer roof to the primary roof.
Use the join roof tool to join the dormer roof to the primary roof.
How to model a dormer roof in revit.
Create the walls and roof elements that make up the dormer.