Home Improvement Stack Exchange
Home Improvement Stack Exchange

Questions tagged [kerdi]

21 questions
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1 answer

Getting tiles in plane -- What if use a *too large* notch trowel?

Is there a consequence to using too large a notch trowel, aside from wasted thinset? Asking for 2 reasons: I'm installing 16x24 tiles on a floor, with 5x5 "accent strip." Both tiles ~10mm thick. But if I use standard trowel sizes (1/2" for big…
borisj
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2
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Can I keep the old Kerdi drain flange when rebuilding a shower?

My 1 yr old shower built by the contractor started leaking like a sieve. In my efforts to remedy the problem, I ended up demolishing the whole thing to the stud while throwing out moldy drywall and replacing moldy stud base plates. He used a Kerdi…
Rahman
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1 answer

Can I install Kerdi board just on the walls of my shower and use a PVC membrane on the floor?

I have poured the preslope on the cement floor, and installed the Oatey PVC membrane and 3 piece drain. I would like to use Kerdi board on the walls, but not the floor. Can I install Kerdi board next on the walls bring it down to the…
JoeDubya23
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1 answer

What to use to flatten and prep wall before installing Schluter Kerdi membrane for tiling?

I am remodeling a bathroom that was originally done with 1/2 inch drywall. I opened-up the walls to move plumbing and electrical as required and then covered-up those sections with new 1/2 inch drywall. The shower and tub areas are going to have…
martin's
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Transition from KERDI membrane backed, to not backed

I intend to use KERDI membrane behind some new bathroom wall tiling backed by drywall. How feasible is it to transition from using the membrane to not using the membrane on a neighboring section of the same wall (i.e. only one section of the wall…
Coops
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Basement shower with Redgard & Kerdi drain

We're adding a shower to an existing basement bath rough-in. Space is tight and we are planning to use a combo of Redgard and a Kerdi shower drain to save money/space/time. Trying to use only a single course of 4" brick as the kerb, and the shower…
john.s.in.co
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Is the Back of Kerdi Board the same as the front?

I'm trying to save on my Kerdi board and I have mitered a few pieces. One fits exactly how I want it, though with the back facing out. Looks like the same stuff not he front and the back of the Kerdi Board. Is it the same? Can I have the back of…
scooter133
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Schluter... Membrane over green drywall?

We're about to remodel our bathroom, having tile applied to about 17 linear feet of wall (8' high). 90% of the wall area to be tiled already has green drywall. The remainder is open studs, where a bathtub used to sit. The tile contractor…
EnoughToBeDangerous
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Renovating bathroom, do I need to add a moisture barrier over insulation

I'm renovating my bathroom, and I have to rip out the entire bathtub and surround, so I decided to add insulation to both the external wall and the internal long edge of the bathtub surround - see diagram: . My question is, do I need to add a…
Toby
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How concerned should I be with tile corner voids in Kerdi install?

So I get home from work and check out what my contractor finished in the bathroom. My POV: he appears to be cutting corners to make groutwork go quicker by avoiding applying thinset to most tile corners. Schluter says to spread thinset on the Kerdi…
NipahKing
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Kerdi Board installation gaps

this is my first time installing kerdi boards, and just have a couple questions. As I was installing my kerdi board to my studs, I noticed that there were some gaps between the wall / board and my flange/board. If I attempt to straighten the contact…
Jessica
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How to finish edge of shower?

Trying to find the best way to finish a walk in, curbless shower? I’ve got tile 55” out from the wall, of which then transitions to green board. However, there’s still enough splatter that I don’t like how wet the wall (mainly by the floor) is…
Jimbo
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Where to use kerdi band around shower curb

I am installing a polyiso board (the product is called GoBoard) around a 4” high stacked 2x4 shower curb. The shower curb sits on top of a newly installed 3/4” plywood subfloor. I plan to install 1/4” underpayment on that in preparation for a…
Nate
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Can I install Schluter trim on alcove edge the day before tiling?

Hello – and thanks to everyone here for the helpful posts over the years! I’m tiling a tub/shower alcove with 6x12 subway tile. The alcove will end with Schluter Rondec. I’m a small-time framer and remodeler and have never tiled before, but I’ve…
borisj
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Kerdi Drain - Concrete Slab PVC too high

EDIT: I self-answered a question below and have a follow-up. I'll definitely be putting new concrete in. I was able to easily break up the bed around the pipe with a hammer. I measured the pipe with the Kerdi drain and marked with the solid red line…
Jonathan Smith
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