I believe this tools are not design for this purpose.
How to make a gabled roof in revit.
This is the easiest way to do it.
In this infinite skills tutorial author brian myers demonstrates how to create a gable roof using autodesk revit architecture.
Add a gable roof to a building in revit architecture 26 sep 2015.
This tutorial is an excerpt from the revit architecture roof design training course.
In the option bar make sure define slope is activated for boundary lines.
Use a slope arrow to define the slope.
To create a hip roof 4 side slope define slope for all boundaries.
Under construction go to the edit menu as shown in the image below.
To create a gable roof 2 side slope remove slope for half the boundaries.
For creating complex roof it might be easier if you create separate roof then use join roof tool to join them later.
Use sloped edges or a slope arrow on a roof to create sloped roof elements.
In order to create your new roof construction assembly in revit select the previously modelled roof.
Sloped edges on a roof sketch line create a sloped roof.
To create a gable roof 2 side slope remove slope for half the boundaries.
3 modify properties to adjust roof slope click on a roof and change the angle in the slope properties.
Define a sloped edge to a sketch line.
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Change the slope angle of the roof.
Revit roof with gabled front porch.
This video demonstrates the following.
When using a newer software release you may notice.
This video was recorded using revit 2012.
Using shape editing tools.
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See hd version of video tutorial here.
In the properties toolbar under type properties select duplicate.
Give your duplicate roof a suitable name descriptor.
But i m not really sure if this is a best practice.
If slope is activated a triangle symbol will appear next to each boundary.