bright white grout - epoxy?

lexmomof3June 19, 2013

I was considering using grout from Custom (Fusion Pro) for a shower with subway tile and another shower with Porcelanosa Madison Nacar tile but I'm concerned about the fact that it says not to use it when temps are above 90 degrees. We're in SC so it's hot! Is this true of other grouts? Also, no one locally carries it and the tile guy is setting tile now so I was hoping not to have to order the grout and delay the process. I would like to use the best product for ease of cleaning considering it's white grout and the porcelanosa was pretty expensive. Is epoxy grout the solution? Does it turn yellow? The grout joint on both showers will be 1/16".

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Home Depot is now carrying some version of it here in Houston according to my tile guy.
Also, he says it doesn't turn yellow.
Hadn't hurt about the limit on temps - here in Houston, I'd better check that out. Thanks for posting. I will ask tomorrow.

    Bookmark   June 19, 2013 at 11:26PM
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Wouldn't the temp issue be referring to the installation temps? Turn your air conditioning on for that step. The hot water that hits the walls will be hotter than 90 degrees.

Unless I have totally misinterpreted your post :)

    Bookmark   June 20, 2013 at 11:04AM
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enduring - this is for new construction so no ac yet. It's quite hot in the house.

    Bookmark   June 20, 2013 at 11:22AM
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It has been tested on a "bank of black granite outside in Phoenix, Ariz." He said 150 degrees is the limit. Their "most tested product ever" according to my tile guy who has talked to the inventer. My tile guy also also said that whatever the local Home Depot doesn't carry in the color he wants, he can order it from Home Depot.

    Bookmark   June 20, 2013 at 11:53AM
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Thanks lexmomof3. I'm not surprised I miss interpreted your post LOL. Thanks for the help :)

    Bookmark   June 20, 2013 at 4:49PM
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The reason for the heat limit (when installing, not using) is because epoxy grout works with a chemical process. The warmer the temps, the faster the grout sets up. In fact, when I grout with epoxy, I divide the batch into thirds and put part in the freezer, pulling out 1/3 at a time. That gives me more overall working time with the batch.

So if it's over 90 degrees, your tile guy may not be able to get the whole batch spread before it hardens.

Can you buy a window a/c unit and run it in your bathroom temporarily while he's grouting?

Epoxy grout doesn't yellow. In fact, it holds its color when wet, unlike regular grout, which darkens when wet and lightens up when it dries.

    Bookmark   June 20, 2013 at 9:22PM
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