The highest level in the project is selected by default.
Revit extrude portions of a roof.
To resize the extrusion in the 3d view select it and use grips to edit it.
To raise or lower the roof from the reference level specify a value for.
In the roof reference level and offset dialog select a value for level.
Creates a roof by extruding a profile that you sketch.
If you d like to learn everything about revit roofs you may be interested in my revit roofs masterclass course.
In this revit architecture tutorial i show you how to create an extruded roof form using the roof by extrusion tool.
About creating solid and void geometry.
Click architecture tabbuild panelroof drop down roof by extrusion.
Revit roof by extrusion a how to guide presented by dzan ta autodesk elite expert repro products inc.
We will go through the latter steps below.
If you re new to revit you may be interested in my beginner s guide to revit architecture 84 part video tutorial training course the course is 100 free with no catches or exclusions.
With the roof by extrusion method in revit you first sketch the profile of the top of the roof in an elevation or section view and then extrude the roof.
Just enjoy the course and drop me line if you found it useful.
The height of the roof depends on the location where you sketch the profile in the elevation or section view.
Specify the work plane.
Hope this is of assistance.
Display an elevation 3d or section view.
This should keep you existing roof in tact and show a cut in the new construction phase.
Revit completes the extrusion and returns you to the view in which you started the extrusion.
If anyone is still looking for a solution you can make a roof cut into an existing roof using component model in place.
Demolishing a portion of roof is quite different to the methodology of demolishing any other element in revit.
You don t even need to sign up.
You can use a combination of straight lines and arcs to create the profile.
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For the purposes of this tutorial i am going to use the following simple building.