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Unread 04-23-2010, 09:42 PM   #1
m_westall
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remove grout

Hello,
We have some tile bowing in our shower. I think we have drywall behind the tile. All of our bath walls are tiled from floor to ceiling and the tile is no longer for sale at the store we bought it at. The tile grout is missing in some areas where the bowing is taking place. As a band aid we are planning to remove the grout, regrout and seal the grout. Attached is a picture of the bowed tile but you cannot tell it is bowed in the picture. Does anyone have any good ways to remove the grout inbetween the tiles before we regrout?
Thanks,
Mark
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Unread 04-23-2010, 10:34 PM   #2
Deckert
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What kind of tile is it? Is it moisture sensitive? Whats causing the "bowing"?

I guess what I'm getting at is wanting to know why there is a problem before I spent any time or money trying to fix it.

A grout saw or a dremel/fein/etc with the proper grout blade would remove the grout.
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Unread 04-23-2010, 10:43 PM   #3
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Mark, is this the same shower you remodeled in this thread? Just askin'

Drywall behind tile is a no-no unless the shower was built using the Kerdi system. If it wasn't, you have bigger issues at hand than can be solved with a simple re-grout. Take a tile off the shower wall and see what's behind - if it is drywall, your band-aid proposal will not do much, if anything. Sounds like the tile is starting to separate from the wall, and I would wager that the drywall is moldy and deteriorating, and the tile might have set with mastic, also a no-no in wet areas. If that's the case, your shower needs to be re-built using correct methods.
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Unread 04-23-2010, 10:53 PM   #4
m_westall
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No this is not the bath I remodeled. I am aware that the drywall is not a good choice for tile backing. The tile is not water absorbing. What happened is the grout started coming loose and that is how the water got behind the tile. I am hoping removing the grout and regrouting will buy me some time. The shower is about 7 years old.
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Unread 04-23-2010, 10:56 PM   #5
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I see the grout saw is a hand tool. We will try this.
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Unread 04-23-2010, 11:41 PM   #6
trecile
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Quote:
What happened is the grout started coming loose and that is how the water got behind the tile.
I don't think that is the problem. Whether or not the grout is "loose" water can and will penetrate grout.
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Unread 04-24-2010, 01:14 AM   #7
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Would a grout sealer help?
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Unread 04-24-2010, 02:02 AM   #8
tileman2000
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Hi Mark,

Drywall is your biggest problem in the shower.

Regrouting and sealing would only be a temporary fix.
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Unread 04-24-2010, 02:04 AM   #9
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doubt it, damage is done
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Unread 01-13-2019, 10:04 PM   #10
m_westall
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Lower shower tiles pulled

While washing the shower today, my wife noticed the tile flexing in and out. I removed the whole lower row of tiles and I’m wondering what the best way to fix it without redoing the whole shower. The shower construction is backing paper, drywall then tile. Any suggestions to save the shower?
Thanks,
Mark Westall
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Unread 01-13-2019, 10:16 PM   #11
Radas
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The tile is directly over drywall in your shower? Or is the tile over a membrane bonded to the drywall? If directly on drywall, rip it all out, there is no way to fix that install. Tile over drywall is never ok in a shower because tile is not waterproof and neither is drywall, hence the wall moving.

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Unread 01-13-2019, 11:22 PM   #12
m_westall
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That is correct, the tile is directly over the drywalll. Problem is all the bathroom walls are completed with tile. I would either have to very carefully remove all the tile without breaking it or remove around the shower only and replace with tile that looks different than all the other tile. I can redo the shower with kerdi but I really don’t want to put different tile.
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Unread 01-13-2019, 11:30 PM   #13
jadnashua
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You might be able to get the drywall off of the tile, but expect to break a couple in the process.

Cut the grout out between the tile. cut through the drywall to pull them out piece by piece. Place them in a pan of water, let them sit for long enough to soften the drywall paper, carefully strip off the drywall, clean up the tile. Lots of work, may not be successful.

You'd need to cut out beyond the shower confines to then be able to get new waterproofing or at least a moisture barrier up on the wall. Depending on where the next stud is and where the tile ends, you might need to install a new stud so the edges there would be supported.

Lots of work, if you have no spare tile, and you break even one. Fate would have it that it's the last one.
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Unread 01-14-2019, 07:00 AM   #14
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Mark....

I see rotting studs and mold in your picture?

Take it down. Pick a spot to end just past the shower frame. Hopefully theres already a stud where the frame attaches. If not....add one. Water proof past the frame...have her go pick tile that will compliment everything.

Just remember: dont overthink. And always ask questions.
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Unread 01-17-2019, 10:33 AM   #15
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Just curious how old is that install is.


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