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Unread 09-21-2022, 04:46 PM   #1
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Peter's Kitchen Counter

I have a similar project as the OP: a kitchen counter on which some of the original grout has cracked or come out in spots. The tiles are small (typical white-ish kitchen tiles), and the grout lines are 1/16th".

What tool or tools are best for removing the old grout from 1/16" lines? My kitchen opens to the dining/living room so it's not possible to seal if off, so I'd prefer a removal method that doesn't result in material floating through the air and landing on everything.

What are people's opinions on Fusion Pro for this type of situation? Or would unsanded be better? Or something else?
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Unread 09-21-2022, 07:41 PM   #2
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I've separated your post from the other visitor's old thread to avoid confusion in both places, Peter.

'Fraid I've no idea what a "typical white-ish kitchen tile" might be. A photo or/and a bit more description would certainly help.

Do you know what grout is currently in those tiles?

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Unread 09-22-2022, 10:46 AM   #3
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Here are 3 photos of the tiles and grout. The tiles are about 4" x 4" with a very smooth, untextured surface. The existing grout was here when I got my house, so I don't know what type it is. Do the photos indicate whether the existing grout is likely sanded or unsanded? Thanks.
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Unread 09-22-2022, 09:13 PM   #4
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I'd probably do that by hand with some sort of scraping tool or grout saw. It's just too narrow for say a grout blade on an oscillating tool, in my opinion - I had that same countertop, and shower, in my house so very familiar with the "typical, whitish kitchen tile" from the late 80's to 90's here in CA.

As for what's best for the new grout, I'll leave that to the Pro's but having just used Custom's Prism, I would likely use that unless steered otherwise. And it is sanded but can be used in 1/16" grout lines.
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Unread 09-23-2022, 07:20 AM   #5
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Looks like un-sanded from here, Peter. Agree with John on removing it by hand. And you'll need to get most of it out so that the new grout will adhere; about two thirds of the thickness of the tile, which are probably about 1/4" thick.

My favorite grout so far is Spectralock Pro Premium. It is an epoxy grout, which would be ideal for a kitchen countertop, for its stain resistance. Some people have reported that the grout in white can yellow, possibly due to exposure to sun light. I recently used Spectralock One, which is a single component grout and is also touted as being stain resistant. It is a pre-mixed grout so it is easy to do small sections at a time. Both of the above are consider sanded grouts so you'll have to work at getting them into those narrow joints.

Fusion Pro, also a single component pre-mixed grout might be an option, I've never used it. Mapei's Flexcolor CQ single component pre-mixed could also be an option. I tried it, I think it would work well on your glossy, smooth tile.
If I recall correctly my memory is excellent, but my ability to access it is intermittent.
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Unread 09-23-2022, 08:28 PM   #6
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Thanks! Has anyone used the potential options mentioned by Dan and John in a project re-grouting 1/16th” lines? What was your experience in getting the grout in the thin lines? If you were able to see the project years later, how well did it hold up?

The ones they mentioned as having potential are:

Spectralock One (single component pre-mixed)
Mapei's Flexcolor CQ (single component pre-mixed)
Fusion Pro (single component pre-mixed)
?Spectralock Pro Premium (epoxy)
Custom’s Prism

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