Preparation to walls after taking old tiles off,and to re-tile after !

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tony4173

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Hi guys,

Not sure if this is a tiling question or a plastering question,maybe both.

Just been today to look at a job for a friend to tile 15m2 in his bathroom. He has removed the old tiles but the adhesive is stuck that well to the wall it would take about a month to take it all off nibbling away at it in readiness for re-tiling, My question is....what is the best way to tackle the bad walls as obviously it has to be flat for a better and easier tiling job. On one wall there is a concrete lip running across the wall above the bath.
Do I ....

(A) apply a thin set bonding coat ,and would this be strong enough to take the tiles after ?
(B) thickish skim coat ?
(C) sand/cement render coat ? or any other options excluding dot n dab (expensive).

Thanks for your time
 
A wallpaper steamer can soften tile adhesive making it easier to scrape off... (deja vous)

Or I find if it's the whole room, floor to ceiling and it's all to be retiled the same and the finish isn't too important just a reskim is usually sufficient.

If you're going to be half tiling and then decorating the remaining then a tight coat of bonding coat to even out the tile adhesive and the skim the whole room properly.
 
Its the whole 4 walls floor to ceiling that will be getting re-tiled, and the adhesive is all over and very well stuck 3,4,5mm thick in places. After googling around it seems that a bonding coat is a no no for tiling on to as well as using PVA. I am edging towards a thin coat off sand/cement applied to the walls and nicely flattened so need to re-skim. I just want the assurance that the tile adhesive will bond well to the sand/cement coat ?

Thanks for taking time to reply :)
 
There was another thread on this in the last few days. All your answers are there akready
 
tony4173 said:
Its the whole 4 walls floor to ceiling that will be getting re-tiled, and the adhesive is all over and very well stuck 3,4,5mm thick in places. After googling around it seems that a bonding coat is a no no for tiling on to as well as using PVA. I am edging towards a thin coat off sand/cement applied to the walls and nicely flattened so need to re-skim. I just want the assurance that the tile adhesive will bond well to the sand/cement coat ?

Thanks for taking time to reply :)
Click to expand...

I'd say sand and cement would be more work than tight bonding coat and reskim whole room...

Do it regularly and never had a problem with tiling...
 
Does anyone have a link to the thread in question plz ? I actually meant to say after sand/cement coat flattened off "no need to re-skim"..just to clarify though, there aint a problem doing it the way i said is there ??

Thanks
 
Well you cant put sand and cement over that then. Take it off, back to the brickwork. Put some pictures up.
 
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