BAL White Star or Mapei Keraflex

[charlie1]

Just realised your walls have been reboarded, trowel depth really deppends on how flat your walls are but my preferance would be 10mm u notch

 

[siremastimus]

Yeah walls are pretty good after being boarded with 10mm marmox, maybe 8mm would be good compromise

 

[AliGage]

I'm with Doug on this i think 6mm square notch will be sufficient. They're only ceramic tiles aren't they?

 

[siremastimus]

Hi Doug, yes tiles are ceramic

 

[Bubblecraft]

I'd use a 6mm round notch


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[Peter]

At least 8mm trowel imo. Would never recommend using a 6mm trowel on anything other than kitchen walls or 6x6, no matter how flat your walls are. Ideally, you want plenty of adhesive catching the tile.

 

[bugs183]

Everyone has a different view mate, but Keraflex is lovely stuff to use, as is Bal Single Part Flexible, i get the Keraflex much cheaper. As for the trowel, i'd use at least an 8mm, this way you know that there is a really good spread of adhesive between the tile and the Marmox. A 6mm will be fine, but the extra few mm give you the added security. Also a slighter deeper bed will give more a flatter wall.