Granite Countertop, No grout, What to seal with? [Archive] - Ceramic Tile Advice Forums - John Bridge Ceramic Tile

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Todd L
11-04-2004, 01:24 AM
I recently built a granite tile counter top using 12x12 Tibetian Blue tiles - about 70 of them. First time for me. Used 3/4 15 layer aircraft ply base
6 mil vapor bar, mud bed, and 1/2 hardi-backer - acording to the 3 different
books I found at the library here in denton, tx. I secured the tiles using
flexbond thinset with latex additive, in one place and siliconized adhesive
caulk on another section to try the two different methods. I found the
caulk a lot faster, but much less forgiving when it came to making small adjustments. One thing I think I did wrong was not putting any space
between the tiles for grout. Most of the joints are flush together, but
in a few places, there is about 1/100 to 1/32 in gap. What is the best
way to seal these gaps? Another question I had was whether the
Tibetian blue is considered a green granite requiring epoxy thinset?
Any help would be appreciated.
Todd

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Davestone
11-04-2004, 05:29 AM
If it's granite and not marble,you probably don't need epoxy,but i'm not certain, i've never used it.There should be a slight bevel on the sides of the pieces?The problem with the caulk, is it's too flexing,and if you grout those pieces it will probably break out,so i would use color caulk,or remove and thinset those pieces back. :)

rtl_airfoil
11-04-2004, 01:02 PM
thanks, Yes dave it has a bevel to the edges. As for pulling up the tile I did that for one piece that had settled too low and ended up having to break it up and tear it off the hardi backer. the siliconized caulk held it real good.