Masonary Block Walls

Try it found a block walls add on for modelling individual blocks with no luck found this article on setting out walls to block modules

http://www.revitstore.com/index.php?option=com_content&view=article&id=104:revit-and-brick-coursing&catid=37:tips-and-tricks&Itemid=55

http://www.revitforum.org/architecture-general-revit-questions/13472-modeling-brick-wall-brick-brick.html