The latest update for Autodesk Revit Structure 2012 software, Update 2 is now available thru product download. For a list of improvements, you can download the Update 2 Enhancement List by following this link:
For the Update 2 product download:
Once you installed the Update 2, you must also apply the latest Hotfix – Apply material family parameters using the Paint tool.
This hotfix restores the ability to apply material family parameters to faces of family elements using the Paint tool.