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Unread 02-04-2007, 08:14 AM   #1
John K
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Kerdi Tricks

I recently purchased JBs' Kerdi book.

Very well done! Other than JB. Is there anyone else here that uses Kerdi all the time and has come up with some tricks to aid in the speed of installing the membrane.

I have probably done in the neighborhood of ten Kerdi showers. I usually end up cussing them and say, " I could mud this faster". I have watched their video several times and that guy makes it look so quick.

One of my biggest problems is build up. I don't know how anyone could tile a Kerdi shower with plan ole 4x4 white tile and not have some sort of hump at the wall and shower floor junction..
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Unread 02-04-2007, 09:15 AM   #2
John Bridge
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Fortunately, few after-market showers are tiled with four-and-a-quarter anymore.

One thing you could do if you use Kerdi-band is run it continuous all the way around the base of the shower and not use corner pieces. This takes some real class, and I would hesitate to recommend it to someone who is not thoroughly experienced in Kerdi showers. You would probably also void your warranty if that matters to you.
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Unread 02-04-2007, 10:05 AM   #3
Dave Gobis
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Try using a drywall knife instead of a trowel to smooth it out.
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Unread 02-04-2007, 11:56 AM   #4
jeb
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ran into the same problem. love the schulter products but i call this problem the "kerdi curse". next time i will drywall the bottom portion of the shower with 3/8" drywall. this way when i apply the kerdi band and the pre-fab corners there will be no build out. should be smack plumb.
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Unread 02-04-2007, 12:09 PM   #5
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Sounds like schluter should invent a backer of some kind, greenboard
or what have you that has a recess in the corners to compensate.
Just like notching studs for a pan, maybe you could plan ahead and use
the thinner edge on sheetrock meant to be taped, in the corners
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Unread 02-04-2007, 02:15 PM   #6
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Try and get your hands on some unsanded thin set. It's like putting Kerdi up with butter .
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Unread 02-04-2007, 02:45 PM   #7
John K
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Peter,

What brand of unsanded thinset did you use?

Jeb,

Interesting idea with the 3/8.

Dave G,

Need to try the drywall knife. I always use a flat trowel.
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Unread 02-04-2007, 02:52 PM   #8
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I use Bonsal's unsanded white concentrate
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Unread 02-04-2007, 03:50 PM   #9
Bill Vincent
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Quote:
I have watched their video several times and that guy makes it look so quick.
I saw him do it in person at a demonstration at our Local Dal warehouse, and believe me-- when he's done, there's no bubbles, no pockets of thinset-- nothing-- just a nice flat surface, and the video's not time lapsed-- that's actual time! Bryant could make himself alot more money than Schluter's paying him if he'd just go around kerdi-ing showers!!

Of course, he wouldn't stay nice and clean like he does now!!

Dave-- you can tell him I said that!!
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Unread 02-04-2007, 09:02 PM   #10
John Bridge
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Bryant is short, Bill. He can get around in a 3x3 shower like you and I can't.
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Unread 02-04-2007, 09:19 PM   #11
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Bryant is the only guy I have ever seen use a ' bucket trowel ' to load his thin-set on his notched trowel. That thing is nice, I presume it's a custom make model.

It does help using drywall knives, I keep mine right in the cleaning water pail as I am setting the kerdi, 4" and 6" knives. I'm not so sure I would go down the 3/8" drywall road. I like John's idea of the continuous Kerdi band.
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Unread 02-04-2007, 09:45 PM   #12
Northern Dimension Tile
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I use customs unmodified unsanded thinset click for more info and it works great!!! I had to rip some kerdi off the top of a door jamb and almost all of the fleece sticked to the sheetrock it had dryed for about a week.
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Unread 02-04-2007, 10:03 PM   #13
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It is really a matter of practice. I have done showers and that demo a lot of times and watched many others do it as well. Other than the learning curve, never a problem. The trowel Bryant uses is just an oversize margin trowel. You can make your own buying a brick trowel and cutting the nose off. Karl Dahm has them, 12.95.
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Unread 02-04-2007, 10:56 PM   #14
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If a guy can learn how to "draw a line" with the flat side of a notch trowel
against the top rim of a 5 gallon bucket there is no need for a second
trowel to apply thinset to the notch trowel or flat trowel. Ive seen guys do this and
worked side by side. I never could see much advantage to it.
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Unread 02-05-2007, 12:20 AM   #15
Jerry L A Tile
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Hamilton
Quote:
maybe you could plan ahead and use
the thinner edge on sheetrock meant to be taped, in the corners
This sounds like a winner right there right there. Somebody try this so I'll know
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