is more. there is always more to plaster than meets the eye. chisel and chip away in small amounts, as trying to remove huge chunks in one go may result in you losing a whole section of the wall.
2. start with the edges: start by chipping away the edges in order to maintain control of what goes and what stays.
3. cover your furniture items. chipping away at plaster will certainly result in a lot of dust. keep your items covered to protect them from the dust during the process of plaster repair and replacement.
4. know what’s underneath. when you know what is behind the plaster you can go ahead and 