How to model a dormer roof in revit.
Revit roof dormer cut.
Valid boundaries are a joined roof or its bottom face a side face of a wall a bottom face of a floor an edge of the roof to be cut or a model line on the face of the roof to be cut.
Change the visual style back to shaded to show the finished item as in.
You need four walls to cut a dormer opening in the main roof and the opening should be fully contained within the dormer roof.
Say adding a dormer which will involve cutting out a hole in the roof using the dormer tool which leaves a hole in the existing phase view of the roof as well as the new construction view.
Whether you want a double gable roof with 6 pyramid shaped dormers or a simple gambrel roof the basics remain the same.
First a work plane needs to be decided upon.
After adding a dormer cut an opening for it through the roof.
The dormer cut has been left selected to show the modification.
Select the top wall of the dormer and move it down so it is below the valleys.
The next step is to cut a dormer opening in the main 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.
From the home tab select dormer opening.
Edit the dormer opening to reflect the roof modification as per figure 9.
Select the dormer cut and then select the edit dormer opening from the ribbon as shown in figure 8.
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Use the join roof tool to join the dormer roof to the primary roof.
Revit roof slope can seem complicated at first glance but by learning a few critical features you can create any roof shape you desire.
To create a dormer roof we first need to start with the smaller roof portion of the dormer.
Valid boundaries are highlighted.
Create the walls and roof elements that make up the dormer.