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Discuss Help! Tiled wetroom floor looks perfect but grout doesn't dry out! in the Australia Tiling Forum area at TilersForums.com.
Are you 100% sure water isn't getting under the screen ?
Well, all I know is that the tiler scraped out all the grout on the wet side of the screen and replaced it with epoxy, which still looks intact, then we put a large amount of clear silicone where the metal frame of the screen meets the tiles. So I would say it was almost impossible for water to get under the screen from on top of the tiles. Strangely, the grout does not get wet on the 'dry' side until a couple of inches away from the screen!
It seems it could be creeping in the adhesive bed... How is the drain sealed at the tile edges ?
one was a leak from the shower control where the plumber had not compressed the olive enough and the water was soaking throgh the adhesive and coming out in the grout joints on the floor and the other was a badly sealed wall jet and the effect was much the same as the first one. the plumer fixed the leak and the problem was solvedThat's very interesting, deanotile! So where exactly was the water coming from in the shower? Do you mean from somewhere in the tray? And, more importantly, how did you fix it?
View attachment 74095
That grout doesn't look to clever.
You sure it's not adhesive showing through?
Pics are a bit inconclusive but as @Dan says, it doesn't look too clever. You sure it's damp?
one was a leak from the shower control where the plumber had not compressed the olive enough and the water was soaking throgh the adhesive and coming out in the grout joints on the floor and the other was a badly sealed wall jet and the effect was much the same as the first one. the plumer fixed the leak and the problem was solved
If it's 100% not a leak then the solution is the same no matter what the cause. Put it down as one of life's mysteries. But then grout with epoxy?
Shut off water in that room, dry grout, then systematically work through each possible cause to work out the problem. Run shower, but only into a bucket, then the drain so you can rule out tray etc or see if it's seeping under tiles
I must admit I hadn't thought that water could be coming from the walls...but if it was wouldn't we be seeing damp patches on the wall grout, too? These have not been replaced with epoxy, but dry out very quickly
I must admit on the one job there was signs on the wall but on the other there was no sign on the walls at all the water was just traveling through the adhesive and gathering at the lowest point. yours may not be the same problem but to be honest IMO grout will not let that amount of water pass through in a domestic shower without some serious cracks or pin holes. try cutting in to the grout on the dark patches and see if there is water trapped in that area.
It seems it could be creeping in the adhesive bed... How is the drain sealed at the tile edges ?
Can u take a hose pipe from shower head directly to the bath? That'll eliminate the shower head connector, the elbow behind the wall at the top of the pipe and the shower diverter all in one go or it will narrow it down to these three items hopefully.
Yes, sounds sensible. But if it's not the water feed, then we'd have to work out whether the water is getting in through the tiles in the tray (perhaps around the drain?) or escaping somehow from inside the drain itself.Do you think this is possible?Well if my thinking is right (anyone else feel free to object)
This should break it down to either a water feed issue or a drainage one. If u are able, maybe unscrew static shower head and fix a garden hose to it. I know it's faffing about but I'm hoping it'll break it down into two halves.
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