Advice adhering quadrant tiles to existing glazed tiles

[OllieM]

Hi all,

Need advise on how to adhere a quadrant shaped border tile onto existing bumpy gloss wall tiles. Issue I’m trying to solve is a gap between a shower tray and the wall tiles. Gap was unavoidable as the walls were already in place when I replaced the tray and weren’t square, so I have filled the void with Silicon and tanked from wall onto edge of the tray, so the tray is water tight but the tanking is exposed past the wall tiles- now trying to cosmetically cover the exposed tanking with quadrant tiles before finishing these with a bead of Silicon at the edge.

I’ve cut down some border tiles into quadrants and filled the void at the back of the tile with tile adhesive to give it a flat back. Should I now adhere to the glazed face of the wall tiles with something like CT1, or will tile adhesive work onto the glazed tile surface? If so, do I need to prime the existing glazed tiles in order for the quadrant tiles to adhere properly? The tile adhesive I have is topps tiles slow set flexible stuff leftover from the wall tiles.

Any help much appreciated!

 

[Dave]

Hi , CT1 is fine. It’ll bond them no problem

 

[Garyo]

I’ve done this a few times around baths, I think that it’s better to allow for possible movement. I fix and grout all at once using silicon mastic, finishing with soapy water spray and rubber dressers. It looks good, it’s fast, it’s water proof, it’ll take a little movement and if you use a decent mastic it’ll stay good.