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Discussion in 'Tiling Forum' started by pisht, Oct 28, 2018.
Discuss Failing Shower Floor Grout in the Tiling Forum area at TilersForums.co.uk.
It does also say minimum size for glass mosaic is 20mm x 20mm. Does this mean for glass mosaic 20mm x 20mm is fine but all other tile should be 50mm x 50mm?
The tile is glass mosaic but some pieces are under 20mm x 20mm.
You're focusing on the grout when whichever grout was used you would have had issues here.
FYI, this is Wedi's response to tile size:
"Wedi does have tile size recommendations but your shower pan Fundo Primo can accept any size tile. Our recommendations follow industry standards in regards to installation and appropriate setting materials however different products can offer there own recommendations."
The are also fine with the contractor removing the tile, thinset and grout and re-installing on the existing Wedi board and has discussed recommendations with the contractor. They have said:
"I have provided you with multiple options to repair that all fall within warrantied repair methods. You concerns have discussed with your contractor, my Canadian Director has been copied in all correspondence, our North American Director provided an explanation on how to repair your situation."
I still have my doubts but I suppose I should accept the manufacturer's advice. The problem I now have is finding a replacement tile as the tiles used are discontinued.
Wedi has been unwilling to confirm if there could be performance issues reusing a Wedi board on a shower floor i.e. if my contractor removes and re-installs the tile on the same Wedi board, could the reused Wedi potentially cause a failure in the future.
I am looking for some actual experience. Has anyone reused Wedi board on a shower floor? If so, are you aware of any problems caused by doing so?
I would never attempt to reuse a Wedi shower tray.
For the simple reason removal of old tiles will rip up the cement facing.
I would always insist on a full rip-out.
I agree . I have removed tiles from wedi type boards and they are not reusable
Interestingly Wedi did finally respond to me. They didn't directly answer my question but they did say they would recommend replacing the shower pan rather than trying to repair it and that their warranty covers manufacturing defects. I take that to mean that they won't stand behind a reused/repaired version of their product and there is a risk of problems in the future.
I would be less concerned if this was on a wall but being on a floor with foot traffic, I would not be particularly confident if pieces of the Wedi come off during the demo.
I will have to talk with my contractor again. He seems keen on removing and re-installing the tile/thinset/grout (which he hasn't done before with Wedi) but replacing the shower pan or just trying to replace the grout seem like better options for longevity.
I have a couple of questions about epoxy grout.
If an epoxy grout had been used for my shower floor (i.e. pebble tile with large grout gaps), would it lead to pooling of water after a shower? I would assume there would be depressions in the grout where water would pool if it can't be absorbed into the grout.
If an epoxy grout is used on a shower floor but the floor thinset and shower wall thinset and grout are cement based, would moisture get trapped under the epoxy grout? That is, could water get through the wall grout, travel down the wall through the thinset and then into the floor thinset and be trapped under the epoxy grout?
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