How to edit default door family parameters

[ryley.g.h]

Our client has given us a door family to use, and I'm going through fixing/adding a few things to make it better, and noticed something strange. The default height parameters that come with all door families are different parameter types - the "Height (default)" is an instance parameter, and the "Rough Height" is a type parameter. When I open a clean door family, they are both supposed to be type parameters. When I try to edit either or, I can't switch them to the correct parameter. Anyone have an idea on how to fix this?

[jvpantin2 · Accepted solution]

The only way I`ve founded to switch between type/instance in default (or built-in) length parameters, is selecting the dimension labeled by the parameter directly in given view it and check/uncheck the "instance parameter" box at Label dimension ribbon:

[ryley.g.h]

Thank you! So strange you can edit it there, but not in the parameter window....

[jvpantin2]

Yes. Sometimes Revit works in mysterious ways...