You sketch a 2d profile of the form on a work plane and then extrude that profile perpendicular to the plane on which you sketched it.
Roof by extrusion revit 2020.
To create a dormer model required walls and additional roof.
The highest level in the project is selected by default.
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Aubin for an in depth discussion in this video creating extrusion roofs part of revit 2020.
Click architecture tab build panel roof drop down roof by extrusion.
Display an elevation 3d or section view.
A solid or void extrusion is the easiest form to create.
Create a 3d solid by extruding a 2d profile.
About roofs revit offers several methods of creating roofs.
Choose the method that best meets the needs of your design.
In the roof reference level and offset dialog select a value for level.
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Creates a roof using the building footprint to define its boundaries.
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Specify the work plane.
About start and end points for extruded roofs the extrusion of a roof can extend in either a positive or a negative direction along the plane perpendicular to the face of a solid component such as a wall.
If you choose not to move the roof to a different level revit notifies you later if the roof.
About roofs revit lt offers several methods of creating roofs.
Create a roof by.
Click architecture tabbuild panelroof drop down roof by footprint.
Use it to extend the dormer roof to the main roof.
Then follow these 2 steps.
Display a floor plan view or a reflected ceiling plan view.
Use join unjoin roof tool.
About start and end points for extruded roofs the extrusion of a roof can extend in either a positive or a negative direction along the plane perpendicular to the face of a solid component such as a wall.
Creates a roof by extruding a profile that you sketch.
This tool is located in the modify tab.
Choose the method that best meets the needs of your design.
Create an extrusion for information about using extrusions in families see constraining family geometry.
If you try to add a roof on the lowest level a dialog prompts you to move it to a higher level.