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Unread 08-16-2006, 11:03 AM   #1
tunafish
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change of planes in a shower - once again

I'm about to grout my shower and having this question - to caulk the corner or to grout it. Every part in my body tells me to grout, my head tells me to caulk, cause it is "right" thing to do.
My joints are 1/8s. Shower is kerdi
If you caulk - do you caulk first, cure caulk then grout?

Can I get away with just grouting? what's the worst case scenario? grout cracks? if it cracks and what it cracks - can I caulk over crack with my matching caulk THEN?

Any pros here just grout their showers? Or it is a "no-no".

I want to do it right, ne question, but caulking is SUCH a MESS.
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Unread 08-16-2006, 11:24 AM   #2
JTG
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Andy
There are many who grout only. JB does it that way.
Grout it up and have a rubber glove and use a finger to force grout into the corners. With a Kerdi system that should do it.
If you notice cracking in the corners down the road then use the caulk.
Good luck
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Unread 08-16-2006, 11:37 AM   #3
Mike2
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Andy, the Capped Caulking Crusader will have a hissy fit if you grout that floor to wall transition. And the Tile Ranger might even show up here with a few choice words as well, waving the TCA Handbook around pointing to all that's in there re. the importance of caulking those seams.

Having said all that, personally I feel there is less risk of grout cracking at that transition in a Kerdi shower as opposed to CBU liner construction. Worse case is, if it cracks you dig some out with a grout saw and caulk it.

Psst....I haven't had to do that yet in the 18 months I've been working with Kerdi.
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Unread 08-16-2006, 11:44 AM   #4
jdm
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This advice is a bit late for your shower, but adding an extra stud in each corner to mechanically tie the two ususal corner studs together should serve to lessen potential movement of the corner joint. This will make grout cracks less likely.

And if the grout does crack, don't just caulk over it. Take the time to scratch out the old grout to give the caulk more to hold on to.

Finally, with the new rules forbidding liquids and gels, changing planes in a shower is not such a good idea.

Sorry about that, Chief.
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Unread 09-11-2006, 06:56 PM   #5
Tbakes
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What about grouting corners in a kerdi shower or tub surround with Spectralock?

I plan on caulking, but have some pretty big mistakes to cover and the grout is better looking. I am worried about cracking tile though...
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Unread 09-11-2006, 08:01 PM   #6
Rob Z
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"Finally, with the new rules forbidding liquids and gels, changing planes in a shower is not such a good idea. "

Jeff, I'm gonna stick you in a locked room with my friend Alex and you two can pun-mel each other to death.
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Unread 09-11-2006, 08:03 PM   #7
Rob Z
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Tony

I wouldn't use Spectralock in the corners because it is far stronger than the bond of the tile to the Kerdi or the Kerdi to the wall, and if there is movement in the structure the Spectralock will win and everything else will lose.
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Unread 09-12-2006, 06:42 AM   #8
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Comming soon: "Jeff's 1001 Puns for all Occasions"
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Unread 09-12-2006, 07:24 AM   #9
jdm
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Will that be from Mistflower Press?
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