Bostik TruColor Premixed Urethane Grout: Opinions? - Tiling, ceramics, marble - DIY Chatroom Home Improvement Forum


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Old 05-01-2009, 04:27 PM   #1
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Bostik TruColor premixed urethane grout: opinions?


Anyone tried this new premixed TruColor grout from Bostik?

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Old 05-02-2009, 07:25 AM   #2
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Bostik TruColor premixed urethane grout: opinions?


I am not familiar with the product, but I don't like premixed grouts in general. They just don't seem as durable. I have used them for minor repairs, and often end up redoing them in less than a year.

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Old 05-03-2009, 08:14 AM   #3
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Bostik TruColor premixed urethane grout: opinions?


Quote:
Originally Posted by Just Bill View Post
I am not familiar with the product, but I don't like premixed grouts in general. They just don't seem as durable. I have used them for minor repairs, and often end up redoing them in less than a year.
It may not be fair to reach a conclusion if your experience is based on how well these premixed grouts have done when repairing standard grout that has already failed. There could be a substrate issue that caused the original grout to fail in the first place. You could have ended up redoing the repair in less than a year had you used standard cementitious grout too.
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Old 05-03-2009, 08:51 AM   #4
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Bostik TruColor premixed urethane grout: opinions?


Never had a problem using standard grout.
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Old 05-03-2009, 10:47 AM   #5
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Bostik TruColor premixed urethane grout: opinions?


Quote:
Originally Posted by Just Bill View Post
Never had a problem using standard grout.
I'm not quite following you, Bill. I thought you said you had to make repairs? Was it standard grout that needed the repairing in the first place?
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Old 09-22-2009, 03:01 PM   #6
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Bostik TruColor premixed urethane grout: opinions?


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Originally Posted by diy888 View Post
Anyone tried this new premixed TruColor grout from Bostik?
I had it installed in my kitchen and it was not satisfactory. Professional, well experienced installers used Tru Color grout, which shrunk to half while drying. Installers had not used Tru Color before but had used other synthetic grouts. It's $70+ for a 9 pound can. Coverage is way less than stated on the can. Shrinkage is not discussed on the can. We contacted Bostik and they told us that the wiping after installation must be done with an almost dry sponge. It was. Bostik now will not answer my phone messages(2) or emails(2) as I have asked them to stand behind their product.
The floor will have to be regrouted.
I don't know if it will live up to the claims about staining, etc but I have little expectation since their customer service is lousy!
Bottom line: expensive and not as advertised in my experience. Use at your own peril.
BTW, the blog about this product sponsored by Bostik wouldn't post my review.
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Old 09-23-2009, 08:29 AM   #7
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Bostik TruColor premixed urethane grout: opinions?


Since my original posting, I've used both the Bostik (the new formulation) with 1/8" grout joints on my walls and the Starquartz (still shipping the old formulation but will switch over to the new formulation soon) with a 1/4" grout joint on my floor.

I agree that coverage is less than advertised. Perhaps they're assuming grout channels partially filled with mortar?

No distributor stocks either company's product so it's a special order; with ground shipping and sales tax, the $56 nine-pound container can reach $70+

But I've not experienced any shrinkage with the Bostik or the Starquartz. My tentative explanations for significant shrinkage mentioned above would be:

a) drill-mixing at too high a speed which could entrain air causing the grout to sag/collapse when the air eventually escaped; or
b) not sufficiently compacting the grout into the channel, so that there was space below the grout into which it settled; you can't just smear the grout across the face of the tile; or
c) possibly using a standard grout float when a stiffer epoxy float is called for; or
d) all of the above

I will run a stain test on a test panel I created a couple of months ago and report back.

I spilled some blackberry juice, and put a squirt of mustard and ketchup on Bostik Bone and let it set for couple of minutes, and then wiped it off. Results: no staining. I don't have a test panel of the Starquartz.

Last edited by diy888; 09-23-2009 at 08:49 AM.
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Old 11-04-2009, 08:25 AM   #8
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Bostik TruColor premixed urethane grout: opinions?


I just recently had a chance to use TruColor grout. We laid a 352[IMG]file:///C:/Users/Owner/AppData/Local/Temp/moz-screenshot.jpg[/IMG]sq' floor with a 3/16 grout joint. First we stirred it the old fashion way (the way my father taught me) with a margin trowel...NO DRILL. WE rung the sponge dry and had no problems...NONE. Better than SpectraLock by far. Time will tell how it holds up, but it went down great. No residue.
Epoxy ~ hot water
Epoxy ~ cold water
SpectraLock ~ chemical added water
TruColor ~ Sqeeze the sponge dry
Da....let me see ....
As far as no problems with any grout....Apparently you haven't been at this long...I've got some 40 some years in the business and problems happen. Experience and product knowledge will help you get through them.
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Old 11-04-2009, 09:54 AM   #9
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Bostik TruColor premixed urethane grout: opinions?


I will add a couple of comments to my general praise of these urethane grouts for ease of use.

These urethane grouts might not be suitable for a shower floor, or a mosaic-tile tub, anywhere where the user might turn on the hot water and let it run and then add cold water later. In these scenarios the temps could reach 140-150F. I haven't gotten any answer about the softening/melting point of the urethane.

There's a new version for glass tile, btw, which uses glass microbeads instead of quartz sand. The quartz-sanded version can cause very faint scratches on a smooth, high-gloss glazed tile or glass.
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Old 02-08-2010, 11:00 PM   #10
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Bostik TruColor premixed urethane grout: opinions?


Awesome product, will rarely use any other grout as far as I am concerned. I set lots of stone and rectified porcelain tile and typically use 1/16th" grout joints, 1/8" max. I will agree with some of the posts that anything larger than a 1/8" you will have some shrinkage which can only be resolved by going back over the job and backfilling the "shallow spots". There is also some truth to claim about the product not giving the full coverage listed but that can also be attributed to not fully scraping the float to remove as much grout from the surface of the tile before wiping down.
I have used this product extensively and the things I have learned to make this product work the best go as follows:
-small grout joints seem to be most effective
-never use a drill to mix, only hand mix
-rotate rinse water approximately every 40sf
-make sure tiles are not overly warm(exposed to direct sun as on a sun porch),any excess heart makes the grout kick off that much faster
-mix as you go, this stuff separates pretty fast
-use only KrudKutter to remove urethane haze
The one really truly great thing about this product is it's uniformity in the dark grout colors. I have struggled with dark colored grouts for years and have always ended up with less than stellar results(shading,chalking,fading,efflorescence) htis product solves all of these problems and more. The extra work this product requires is in my book more than worth it!!
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Old 02-09-2010, 09:23 PM   #11
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Bostik TruColor premixed urethane grout: opinions?


I used the tru color on a scratch built shower and two floors in the same house. I thought it worked great. It's been down for about 5 months, no problems. I found it very easy to use and easy to clean up. Just follow the directions.
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Old 02-12-2010, 11:40 AM   #12
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Bostik TruColor premixed urethane grout: opinions?


I distribute and install TruColor.
It performs probably better than advertised, I can't get it to stain or cause any dis-coloration / fading and the flexibility is amazing. (we poured un-diluted muriatic acid on our test board and it had no affect on TruColor
Some installation tips:
I don't recommend using a mixer, too much air and it will sag and slump
use an epoxy float, when cleaning, wipe first with a damp / but well wrung out white scrubbie, this traps and removes all the aggregate, then use the well wrung out sponge to remove the urethane haze.
It is appropriate for showers and wet areas, if you can allow it to cure for 7 days.
It is NOT a miracle product, there are applications where you should use an epoxy grout - areas subject to frequent high pressure/harsh chemical cleaning - ala Commercial Kitchens.
For the post on the product failure, my guess is the professional, experienced installer didn't use an epoxy float, over-mixed and didn't wring as much water as humanly possible out of the sponge

Last edited by gotthegoods; 02-12-2010 at 11:43 AM.
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Old 02-12-2010, 09:25 PM   #13
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Bostik TruColor premixed urethane grout: opinions?


GTG,
Good point on the mixing. The sales reps at the tile warehouse I deal with are very knowledgable. He demo'd the grout for me, showed me how to mix it, install it, and clean it. I don't see why you would go through the trouble of using a drill to mix it, it doesn't take much effort at all to do it by hand. The epoxy float is a must. I think it is a great product for certain applications, and will continue to recommend it and use it.


(quote) I don't recommend using a mixer, too much air and it will sag and slump
use an epoxy float, when cleaning, wipe first with a damp / but well wrung out white scrubbie, this traps and removes all the aggregate, then use the well wrung out sponge to remove the urethane haze.

For the post on the product failure, my guess is the professional, experienced installer didn't use an epoxy float, over-mixed and didn't wring as much water as humanly possible out of the sponge[/quote]

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Old 02-13-2010, 10:31 AM   #14
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Bostik TruColor premixed urethane grout: opinions?


Mike,

I agree it is perfect for certain applications, not commercial kitchens or areas subject to harsh chemicals / high pressure wash downs. It has lower psi strengths than a traditional epoxy.
The other downside is 7 day cure, so if your client only has one shower...

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Old 02-22-2010, 02:02 PM   #15
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Bostik TruColor premixed urethane grout: opinions?


Just saw this on an episode of 'This Old House". I always wondered how it worked in the 'real world' with regular folks. Once I let it cure for 7 days it will be OK for my shower ceramic tiles? I'm about to start on a Schluter Kerdi system for my ensuite bathroom and want it to work out well. What's your thoughts on the schluter Dilex for the corners of walls/floors. I also want know if I can get shelf inserts for my shower walls? You know - for the recessed shelves. Any hints/reccomendations? Also I'm nitrh of the border, eh.

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