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.
Roof by extrusion revit.
You sketch them in elevation and then apply extrusion lengths to them.
The highest level in the project is selected by default.
Extrusion roofs offer an alternative way to create roof elements.
This tool is located in the modify tab.
In this project if you want to create an arched canopy on the west face of the building.
Display an elevation 3d or section view.
Specify the work plane.
The roof by extrusion tool creates a roof by extruding a profile that you sketch.
Click architecture tabbuild panelroof drop down roof by extrusion.
How to create a roof by extruding a profile.
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.
In the roof reference level and offset dialog select a value for level.
They are ideal for roof shapes that are freeform barrel vaults or similar.
So first of all let s go ahead and create our reference plan.
9 join roofs add opening to create dormer.
Use join unjoin roof tool.
Use it to extend the dormer roof to the main roof.
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.
To create a dormer model required walls and additional roof.
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.