Installing Granite Submerged In Water

MattCoops

We are starting a pool job next week that calls for granite slabs installed over concrete columns in a pool bar area.
What is a good adhesive for attaching the granite slabs over the columns?
They (columns and granite "seat") will be submerged in water.

We're using Custom's flexbond to attach the glass tile in the whole pool area.
And then we're installing granite over the 4 columns at the pool bar area as to make stools to sit on.

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Matt with Cupan Custom Tile & Paint of Lowell, Massachusetts
Design and installation of ceramic tile and natural stone for floor, wall, and countertops
(978) 601-8774 | cupantile@gmail.com | view tile pictures and more

TimelessQuality

Isn't it a little cool to be swimming to work?

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Bud Cline

I would get that information from Custom. I would also kerf a 2" grid (1/8"w X 1/4"d min) on the bottom/backside of all the granite slabs.

Cole

Matt, be sure to post some pics!

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tileguy51

i know concrete cures the best underwater. cement products dont have to dry out, water just activates the chemicals, but yes I would find out through custom what is best

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MattCoops

The pool is new construction.
No water in it yet.
They're not filling it till all the glass and granite get installed.
Just wondering what would be good adhesive to hold 3 cm granite seats to concrete columns.
Eventually, after installation, they would be submerged in water.

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Matt with Cupan Custom Tile & Paint of Lowell, Massachusetts
Design and installation of ceramic tile and natural stone for floor, wall, and countertops
(978) 601-8774 | cupantile@gmail.com | view tile pictures and more

KentWhitten

Would silicone work in this case?

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kevjob

how about mechanical fasterners with epoxy?

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Bill_Vincent

What's the substrate?

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Bud Cline

"granite slabs installed over concrete columns"

Bill_Vincent

I missed that. One of two products. Either Laticrete 4237 with a 50/50 mix of portland cement and silica sand, or Anybody's unmodified thinset mixed with their additive (Laticrete 317/333, Hydroment Tilemate/ Flexalastic, Mapei's Kerabond/ Keralastic). Either of those will hold up, as well as be guaranteed by the manufacturer. I've done competition pools both with the 317/333 and the 4237 and cement/ sand mix.

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MattCoops

We're actually gonna use The Tile Shop's "Pro Lastic" mortar mixed with it's liquid additive counterpart.

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Matt with Cupan Custom Tile & Paint of Lowell, Massachusetts
Design and installation of ceramic tile and natural stone for floor, wall, and countertops
(978) 601-8774 | cupantile@gmail.com | view tile pictures and more

Bill_Vincent

Same same. It's still unmodified mixed with a liquid latex. You should be fine with that.

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olzo55

Bill, the latex additive to unmodified seems fine but how come some showers get latex migration and a swimming pool doesn't? does it depend on the drying or is it because it's unmodified mix with latex vs a modified?

Bill_Vincent

The only time you should have a chance of latex migration is when the thinset isn't fully dried when the tile gets grouted, no matter where it is.

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"Whether you think you can, or you think you can't, you're probably right."

http://www.creativeceramicandmarble.com