To create a dormer model required walls and additional roof.
Roof by extrusion revit.
Display an elevation 3d or section view.
The highest level in the project is selected by default.
The roof by extrusion tool creates a roof by extruding a profile that you sketch.
Elevation of section you can select a reference plane to sketch your profile on as long as you have a named one in your model.
Specify the work plane.
This tool is located in the modify tab.
So first of all let s go ahead and create our reference plan.
How to create a roof by extruding a profile.
In this project if you want to create an arched canopy on the west face of the building.
Within revit the roof by extrusuion tool is used in an elevatation or section view as opposed to the roof by footprint tool which is used in a plan view.
The roof by extrusion tool is used to create wave form type roofs you create a sketch of the upper profile of your roof in a side view i e.
To raise or lower the roof from the reference level.
Click architecture tabbuild panelroof drop down roof by extrusion.
We also need to use a refrence plane upopn which we can sketch the side profile for our extrusion.
9 join roofs add opening to create dormer.
They are ideal for roof shapes that are freeform barrel vaults or similar.
In the roof reference level and offset dialog select a value for level.
Then follow these 2 steps.
Use join unjoin roof tool.
This is a handy tool when the roof you are trying to create cannot be defined simply by sloping the roof up from an edge such as when the cross section of the roof is curved.