Tiling/Plaster advice needed

[macdaddy2x]

Hi folks, first post on this great forum.

I'm currently re-doing our en-suite shower as it was leaking through to downstairs (failed grout)

As you can see the tiles have been removed, I know I need to deal with the mould.

My question is, before I retile do I need to remove the skim of plaster that is currently on the plasterboard? As you can see I have lost some already when removing the tiles and in other places it is very thin.

I am worried that it is not strong enough to hold the tiles.

I plan to tank the wall with Ardex before tiling.

I'm a complete novice so any help would be greatly appreciated.

Thanks

[macdaddy2x]

Anyone?

[wine~o]

My best guess looking at that is that the plasterboard needs to come off..it has possibly absorbed enough water to debstabilise it.

I would replace with Aqua panel (Cement based sheet, re-inforced with glass) then tile straight onto that. (No need for tanking.)

[macdaddy2x]

Thanks Wine-o

I guess at least I won't have to wait for drying out.