Hello,

I have removed some old ceramic tiles in the toilet skirting and laundry area with a hammer and chisel but that has left the wall with some holes and indentations in the orginal plaster. The wall is a plastered brick wall. I intend to retile the same surface with new tiles. My question is can I use cornice cement to plug those holes before laying on the tiles with mastic ? Or should I be using somethinig else? Joint compund? Cement Render?

I have seen some products like Gyprock Cornice Cement 45 and Render-It. Would these do? What's the pros and cons? I was thinking they are pretty much the same, except the cornice cement will be quicker drying times?

I have another larger area where plaster has lifted-about 600mmx600mm above the laundry doorway that I have removed. The original plaster s only 5-10mm (varies) in thickness. Underneath is bare brick. I think if I try to base coat/top coat, it'll end up too thick?

Can I just patch it up with cornice cement(wetting the brick first),dry for 45 minutes, smooth it over with sanding and apply a oil based paint undercoat before applying water based paint? is this method advisable?

Thanks for any advice.


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