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Old 03-22-2012, 07:05 AM   #61
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Is this enough subflooring support?


OK will grout

The lack of campher,
i think it was just easier to cut stone tile with no angle
and...at 3/8" thick, I suspect it was more likely to used as a tiled countertop

That is just an assumption on my part.
What say you

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Old 03-22-2012, 04:27 PM   #62
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Is this enough subflooring support?


The tiles are 1 cm thick, a little over 3/8". Most of the rest of the world doesn't do inches. That is the standard thickness for these tiles unless they're much larger.

Chamfering the edges helps to be able to install them with a smaller grout line as most people want to do with natural stones tiles like granite and marble. With square edges you're gonna have problems, maybe big problems unless you go wide. Even then it's gonna look bad since the grout will be below the tops of the tiles. I see a mess ahead.

Is somebody cutting these tiles in the back room or what? Where are they coming from? Also, how square are they? It's hard enough to set them when they're rectified. A main reason labor for granite and marble tiles is a lot more than with ceramic tiles, takes more time to do.

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Old 03-25-2012, 07:26 AM   #63
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Is this enough subflooring support?


We are purchasing these tiles from Builder's Surplus Warehouse...The tile are already cut and boxed for purchase.
Are you saying that you feel a wider grout line is needed? A realize that the grout will have to be perfectly level with the tile surface because there is no camphered edge.
But let me ask you about a possibility I saw just the other day. Wsa in a bank lobby where they had marble tile, various sizes. But they were separated with a thin piece of metal. It was colored a brass like color, but not sure if that was the material. But the marble tile had no samphered edge.
Is this a commercial method that home owners are 'not to use'? Or is it an alternative to using grout?
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Old 03-25-2012, 10:50 AM   #64
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Is this enough subflooring support?


I was searching for more info about the place you're purchasing from, but since people wanna keep their location a secret I couldn't do that.

I still don't understand why just the tiles you are purchasing do not have the standard chamfered edges. Those tiles are probably fabricated in China, but I've yet to see any made the way you said.

Quote:
Are you saying that you feel a wider grout line is needed?
Absolutely, plus the floor better be very flat.

Quote:
A realize that the grout will have to be perfectly level with the tile surface because there is no camphered edge.
How on earth are you gonna do that? When you wipe the grout, the sponge will remove grout below the level of the surface.

Not sure what you saw on the bank's floor. At first I thought it was terrazzo, but your description of it doesn't fit. I can't imagine them being marble tiles though, but I can't tell from here.

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Old 03-25-2012, 01:42 PM   #65
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Is this enough subflooring support?


Jaz, one of the sites I've looked at suggests that you align 3 tile by 3 tile and measure from the the upper left corner to the lower right corner and then measure the upper right corner to the lower left corner. The difference between the two measurements gives you the grout spacing to allow for. Your opine please.
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Old 03-25-2012, 02:41 PM   #66
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Is this enough subflooring support?


I've never done it that way, but that theory is for ceramic tiles not natural stone. Your granite tiles should be rectified, therefore almost perfectly square and all the same size. That is why you can set them close together. The chamfering gives you a bit of play for an out-of-plane base and installer error. Also don't forget about possible drooping of the tiles after they have been set.

Back to the grout width. The width should be at least 3 times the difference between smallest and largest. Hard to measure sometimes. People should always try to determine how much off their tiles are before starting the installation. Especially if the tiles a cheapo bought on a so-called sale or special buy.

You still didn't mention which store you visited, do you know how many there are across the country? Did you mention the name to the stone you like?

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Old 03-25-2012, 08:13 PM   #67
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Is this enough subflooring support?


Getting the tile at Surplus Warehouse...and they have a national representation. I have always heard they buy from builders that are not building as much and these are leftovers from spec homes and custom homes.
But you are not limited on everything you can buy. Some of the products are open-end distribution from the original makers.
Of all the nature stone tile we looked at, they all had straight edges. That was natural marble and granite.
Wanted to ask one more question on the grout...one tile contractor uses chaulk cord as his method of keeping a 'true' grout line and it gives a clear grout line when you lift the chaulk line up. Ever used that style of line making??
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Old 03-26-2012, 12:39 PM   #68
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Is this enough subflooring support?


That's how they used to space wall tiles up to about the '60's before ceramic wall tiles were made with built in spacing lugs. It's mason's twine placed between the tiles as the spacer. The gap will end up being about 1/8", but that isn't much of a concern if the tiles aren't chamfered.

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Old 03-26-2012, 01:28 PM   #69
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Is this enough subflooring support?


What do you suggest I protect the newly added 1/2" plywood surface with?
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Old 03-28-2012, 09:09 AM   #70
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Is this enough subflooring support?


Jaz,
In the marble tile in the bank lobby...I think this is the product they have used instead of grout

http://www.schluter.com/4_1_dilex_ez...tallation.aspx
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Old 03-28-2012, 06:59 PM   #71
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Is this enough subflooring support?


Take a picture next time you're there. I can't imagine a piece of edging around every individual tile. My money says what you saw is terrazzo.

Jaz

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