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Phew.....nice one Paula....who could have imagined that grouting a shower tray properly would be so important??!! (lol)
Discuss Help! Tiled wetroom floor looks perfect but grout doesn't dry out! in the Australia Tiling Forum area at TilersForums.com.
Phew.....nice one Paula....who could have imagined that grouting a shower tray properly would be so important??!! (lol)
I don't think it is at all likely to fail as a tanking barrier to stop water getting through, (I haven't tried the newer easier to use version so am assuming it is similar to the old). However it is my opinion that it remains slightly compressible under the tiles and this may be why the grout is cracking around the tiles that are stood on most.We haven't noticed any leaking in the ceiling below so would be surprised if the Impey tanking had failed.
have you any spare tiles?
if so lift the tiles with the grout cracking, there will be water under them now so will need drying out. When you remove the tiles you will be able to investigate further to what's going on.
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