I have removed old wall tiles in the kitchen which has taken some of the plaster with it. The damaged areas are quite large although are only about 3mm deep. Do I need to repair the plaster before setting the new tiles or can I just fill the gaps with thinset when I tile?
If I do need to plaster how long should I leave it before tiling?
If I do need to plaster how long should I leave it before tiling?