August 7, 2007 at 3:14 am #24574 ab2623Guest @ That allows me to coat the rock lath with joint compound. August 7, 2007 at 3:49 pm #46099 wizendwizardGuest @ if you mean covering the seams. use drywall joint tape. it sounds like you are using durock. if you are indeed using lath then apply thinset mortar. Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to create new topics.