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Old 08-14-2014, 09:06 PM   #16
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Originally Posted by cleveman View Post
This was certainly one case in which the photos helped a lot.

Bud, explain what the chances are of the system being under warranty. You mean to say that all those pre-slopes can be smashed by a lard-ass? I would think that if that were the case, I could smash them by jumping up and down on them, no?
I don't recall how they are rated, but yes, they can be compressed under certain circumstances. The fact that most of the slopes receive 2" tiles doesn't help. A larger tile would be better but it has to be small enough to also deal with the slope.

One example is a shower I built for a guy that didn't last three months and I was back eating the damned thing.

The actual problem was this guy used a very small bathroom in which he had to step in front of and past a toilet to access his shower. It had bypass doors but there was only enough room to use one of the doors. This guy is about six feet nine inches tall and has to duck all the doorways he passes through. It doesn't help that he weighs over three hundred pounds but that's only a guess on my part.

So...to access his shower he enters with the same foot in the same location every time - heel first. It didn't take long to cause a small heel depression in the floor and of course the damage then grew and grew until the center of the floor was soft and spongy. After a short time the cement grout was giving up one sand grain at a time and each shower-use washed some sand down the drain.

Of course this was my fault so I replaced the floor with a concrete floor, end of problem.

I have installed scores of these systems with only two failures in all the years I've been using the system. The second failure was the same issue. Heavyweights. I regret that it took me two failures to start looking at everyone in the customers family before I would install a Schltuer Shower System. Cost me a few thousand dollars overall but hey...ya live ya learn.

Schluter products have never failed me so no real claim there, I should have known better. My warranty is to stand behind everything I do no matter what so I fixed them with a smile.
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Old 08-14-2014, 09:28 PM   #17
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Originally Posted by Bud Cline View Post
The actual problem was this guy used a very small bathroom in which he had to step in front of and past a toilet to access his shower.
This sounds pretty much exactly like our bathroom. "Master bath" *snort*.

But I do love the shower we have, even though it needs repair. Definitely nice, and we've both commented that any future residence of ours needs to have a similar type shower.
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Old 08-14-2014, 10:55 PM   #18
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My first reaction when seeing orange was also that it's a Kerdi shower, but I'm not quite so fast to jump to conclusions as Bud. He might be right, but one things strikes me as odd. Where the grout has failed, you see orange. Never anything but. And you should expect to be seeing some thinset down there (white or gray). But I don't see any thinset at all in any of the places the grout is gone. Maybe it's just the pictures, and in real life you can see it. It's hard to imagine how there could be no thinset visible between the tiles, unless it came right out with the grout somehow.

OK, getting past that little mystery, the problem with removing the tile in a Kerdi shower is that you will tend to pull the Kerdi off of the styrofoam shower base when you pull the tile up. So someone experienced and with a good touch with a multi-tool, perhaps, is useful.

Another possibility is the tile was installed with modified thinset on top of the Kerdi. Then the shower was used constantly immediately after installation. That means the thinset might not ever dry. I know people who insist on using modified thinset with Kerdi, which makes no sense, I know, but.... whatever. I don't know if using modified thinset would cause this specific problem, but it sounds plausible.

Since the thinset might be failing here, then there's a chance the tile will come up easily. If so, you could reinstall the floor tile (people use a different floor tile than wall tile all the time). This time you could use a unmodified thinset and 4" tile, with a thickish thinset base.

Edit: if Bud is right about the foam tray being spongy, then the Kerdi separating is a moot point, since the tray has to be replaced anyway. So now the trick is to overlap the Kerdi under that bottom row of tiles. Then those are the tiles that need to come out without pulling out the Kerdi. If those tiles come out perfectly, the new Kerdi can be overlapped onto the old, and the old tiles reused. If removing the tiles pulls the Kerdi off the wall, then you have a problem.

Last edited by jeffnc; 08-14-2014 at 11:03 PM.
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Old 08-15-2014, 09:04 AM   #19
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Knock it off Jeff!
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