To change the dimension of the railing you will have to:
1. Open the rail family profile
2. Change the dimension
3. Load the profile into the project
When the family is loaded:
1. Select the railing
2. Go to Edit type
3. Under the profile select the new profile you just loaded
Hope that hellps
Fernanda Lima Firman
Technical Support Specialist
Customer Service & Support
Autodesk, Inc.
Revit Clinic
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