I am currently into a serious addition/remodel on 45-50 year old adobe style home in Albuquerque, NM. This project is not a complete gut, we have a budget. The exterior walls are block. The interior walls are what is called peg-board, and what looks to be mortar and then plaster on top of that. The ceiling is the same only with wire mesh for strength. There are quite a few areas in the house where the wall surfaces needed to be removed, so when it comes time to repair, I want to match the surfaces but I'm not sure if it's mortar I use or some type of interior stucco. The first layer is at least an inch thick, and the top layer is about an eigth to a quarter in thickness. Can anyone help me? Also; what would be the process for the reapplication of these surfaces?