We are preparing to prime interior walls using a shellac-based primer, followed with a setting compound mud. Will the mud stick adequately to the shellac-based product or do we need to use another type of primer over the shellac primer?
Yes. This fine plastering expert actually recommends it: http://www.bristegroup.com/index.php?option=com_content&task=view&id=45&Itemid=82
Here is another expert plasterer doing the same: http://www.fauxforum.com/viewtopic.php?t=6915