Ask a Tradesman
Plastering block walls before tiling??
Do I need to plaster my block wall before tiling?
If the block wall is flat no you do not have to plaster Ive tiled lots of block walls, use powdered adhesive.
Answered 2nd Nov 2012
I would plaster it first even just dry line it because it will make it a lot easier to tile then
Answered 4th Nov 2012