After you create a roof by extrusion you can rehost the roof or edit the work plane of the roof.
Roof by extrusion revit 2019.
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Create an extrusion for information about using extrusions in families see constraining family geometry.
Choose the method that best meets the needs of your design.
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.
You can place curtain grids on the curtain panels of the sloped glazing.
Press tab to switch between horizontal and vertical grids.
To apply sloped glazing select the roof and in the type selector select sloped glazing.
Revit offers several methods of creating roofs.
Create a 3d solid by extruding a 2d profile.
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.