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Unread 05-01-2021, 12:56 PM   #1
superchief
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latex with grout

Large format white tile on floor and walls with 1/16 joints ... designer wants to mix white latex paint with Mapei avalanche grout to make it whiter, says he has done this before.

I told the customer I cannot warranty it but does anyone have experience doing this and did it cause any issues?
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Unread 05-01-2021, 01:14 PM   #2
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designer wants to mix white latex paint with Mapei avalanche grout to make it whiter, says he has done this before
I would suggest getting paid for what you've done and then let the ill informed designer do the grouting, with him accepting all liability.
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Unread 05-01-2021, 01:30 PM   #3
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Avalanche is supposed to be the whitest grout available. If she wants whiter than let her paint it when you're done but I would definitely not mix latex paint with grout
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Unread 05-01-2021, 07:10 PM   #4
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We actually Make a White In Ultraocolor Plus Max.

https://cdnmedia.mapei.com/docs/libr...rsn=3665c344_0

https://www.youtube.com/watch?v=PeA5Fl53v9c
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Unread 05-01-2021, 10:53 PM   #5
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I consider that silly and wouldn’t dare void the manufacturer’s warranty for such a request.

Just because someone ‘has done something before’ doesn’t necessarily add any credibility to something. It may show that they are creative in their thinking...or it may indicate something much less flattering. But you’d have the chemists who formulate the grout rolling their eyes if they knew someone had been mixing paint into their grout.

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Last edited by Tool Guy - Kg; 05-02-2021 at 06:14 AM.
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Unread 05-02-2021, 09:10 AM   #6
superchief
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white mapei

we tried the white as well as avalanche, avalanche actually looks whiter

considering an alternate idea to propose, test a white grout paint - extra step but at least you don't mess with the grout formula and are using the two products as designed.
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Unread 05-02-2021, 09:13 AM   #7
Tool Guy - Kg
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Are any of these tiled walls in a “wet” area? I ask because the grout colorants you speak of may or may not be rated for a wet area.
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Unread 05-02-2021, 09:26 AM   #8
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good point, I'll have to check as this is the entire bathroom including the shower.

Another thought occured since they are 1/16 joints is to use white silicon caulk with a biocide like GE II instead of grout
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Unread 05-02-2021, 04:09 PM   #9
jadnashua
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One thing grout does that caulk won't is to literally support the edges of the tile. When they are not well supported, and you roll or place a point load on a joint, you can crack the edge of the tile(s) involved. IMHO, not a good idea!
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Unread 05-03-2021, 06:17 AM   #10
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good point, works on walls but risky on floors
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Unread 05-03-2021, 10:19 AM   #11
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