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Ceramic Tile Bumps
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12-28-2008, 11:34 AM
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#1 |
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Registered User
Trade: Floor Installation
Join Date: Apr 2008
Posts: 4
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Ceramic Tile Bumps
Hi, we installed a ceramic tile this week in a commercial building, and almost right away (next 2 days) we are seeing bumps come up through the ceramic tile. some look like cigar butts and some like marbles. We layed backerboard down first and used level quick to even the floor. Thinset and installed. Any help??? We had half tile and half subfloor before laying the backerboard.
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12-28-2008, 04:29 PM
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#2 |
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Pro
Trade: Tile Contractor-Manufacturers rep. Tile & Marble
Join Date: Feb 2007
Location: Troy, Michigan
Posts: 238
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Re: Ceramic Tile Bumps
If you have bumps in the tile that weren't there before installing it, you do not have ceramic tile. Tile does not dent, it would break.
Sorry, I am just not understanding this very well.  And what does "We had half tile and half subfloor before laying the backerboard." mean? Was part of the old floor ceramic? how did you fasten the CBU? Jaz |
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12-28-2008, 04:36 PM
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#3 | |
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Pro
Trade: Remodeling, Replacement windows,
Join Date: Nov 2006
Location: Baton Rouge
Posts: 151
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Re: Ceramic Tile BumpsQuote:
Im lost! Do you have some picks. are you puting down VCT? |
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12-28-2008, 04:53 PM
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#4 |
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Pro
Trade: Contractor
Join Date: Nov 2008
Location: Western PA
Posts: 695
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Re: Ceramic Tile Bumps
I'm glad to see I'm not the only who was lost earlier when I read this. I was at a loss for words.
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12-28-2008, 05:00 PM
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#5 |
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Professional Instigator
 
Trade: Design Build Remodeling Contractor DC MD
Join Date: Nov 2007
Location: Washington, DC/ Maryland
Posts: 6,872
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Re: Ceramic Tile Bumps
What your experiencing is ceramic compression it is rare but usually happen in commercial environments.
You need to wet the effect tile down and cover with vynil drop cloths and tape any seams for a few days, this will allow the ceramic tile to contract and the humps should vanish in a few days |
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12-28-2008, 05:04 PM
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#6 | |
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Pro
Trade: Registered Home Improvement Contractor
Join Date: Mar 2008
Location: South Jersey
Posts: 1,507
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Re: Ceramic Tile BumpsQuote:
Beat me too it...I usually use soda and not water. Ginger Ale seems to work the best becuase it has the perfect ratio of fizz to liquid. |
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12-28-2008, 05:10 PM
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#7 |
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Sean
Trade: General Contractor
Join Date: Sep 2008
Location: Cullman, AL
Posts: 4,514
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Re: Ceramic Tile Bumps
Don't forget just a tad of lime juice - helps with cleaning up the grout
FYI --- VCT - does not stand for Vinyl Ceramic Tile Did you happen to make your own tiles & forget to throw them in a kiln? |
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12-28-2008, 05:55 PM
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#8 | |
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Pro
Trade: Remodeling, Replacement windows,
Join Date: Nov 2006
Location: Baton Rouge
Posts: 151
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Re: Ceramic Tile BumpsQuote:
vct=vinyl composition tile. why does this happen? Last edited by Houston's; 12-28-2008 at 05:59 PM. |
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