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tweetofam 09-23-2010 11:04 PM

pre-fab shower basins
We tore out a bathtub and want to replace it with a shower. We would like to consider tiling the shower, but as I read about all the steps to prepare the floor from scratch, it seems a bit involved. I'm looking at some pre-fab type shower basins that can be tiled over. Does anyone have any advice as to which products are easy to work with? We are novices, but willing to do extensive research and be well-informed before we start, so we're not afraid to tackle new things.
Also, has anyone worked with the Kerdi shower system? I'd like some feedback on that. thanks, all.

acerunner 09-24-2010 12:25 AM

definitely use schluter. I will be doing the same.

what type of subfloor do you have?

secutanudu 09-24-2010 02:37 PM

A couple things to be careful with when using Kerdi...

If you are using concrete board, make the mortar extra wet and/or soak the wall with water before mortaring. Concrete board sucks the moisture right out of the concrete, and since you must use unmodified thinset, it may not set properly.

I recenely had a Kerdi shower done and I am very happy with it aside from one thing - it was the guy's first time using schluter products, and the floor is slightly wavy. Combine that with the fact that the 2" mosaic tiles I picked for the floor have very sharp edges on them. I didn't notice this till after the install, and it forced me to have to put a mat down on my new shower floor due to the old one being uncomfortable to stand on.

So make sure the floor tiles you choose have nice eased edges on them.

tweetofam 09-26-2010 01:45 PM

shower basin -Schluter system
Thanks for the advice!
We have 3/4" plywood for the subfloor.

Also, do we have to use the concrete backer board? Does anyone have any advice on this? :)

secutanudu 09-26-2010 01:56 PM

From what I understand, you can use drywall with Kerdi. I'd wet the drywall too, maybe not soak it as much as you would concrete board. You just don't want the thinset drying too fast or it won't cure properly.

acerunner 09-26-2010 02:04 PM

kerdi is completely waterproof. So drywall is fine. I would use green board.

tweetofam 09-28-2010 08:26 PM

Schluter shower system
One more question - seems like I read a review somewhere on the Kerdi/Schluter shower system where someone said they only last 10-15 years. We really don't want to re-do this whole thing in 10-15 years. Does anyone know anything to confirm or deny that? thanks!:huh:

acerunner 09-28-2010 08:55 PM

i dont have any cold hard facts. but failures of shower tiling is almost always due to water damage. If schluter does its job in waterproofing, in theory, it should last much much longer. Of course it all depends on a proper installation. So make sure your prep and install is done as instructed in their manual, especially the spec on structural support & subfloor.

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