By John Flanagan
Understand Which Families are Loadable or System
The image below shows a list of Revit categories, classified by either System or Loadable families. This list is not complete, but it can give you an overview.
System Families
Loadable Families
As an example, the wall category has 3 system families: Basic Walls, Stacked Walls, and Curtain Walls. These system families are built-in and can’t be modified or deleted. You can create types for each of these system families.
All system families have their own icon in the ribbon. However, not all loadable families have their own icons. That’s why you can use the Component tool in the Architecture, Systems or Structure tabs. This will contain all additional loadable families like furniture, entourage, parking, casework, and many others.