Removing excess grout

Posted by Angela on October 2, 2009, 11:59 pm

If grout is already dry but has not been sealed yet, what is the best
way to remove (scrape off?) it from the adjusted to the edge area of
the travertine tile?

Posted by dadiOH on October 3, 2009, 9:03 am

Angela wrote:

> If grout is already dry but has not been sealed yet, what is the best
> way to remove (scrape off?) it from the adjusted to the edge area of
> the travertine tile?

I only know of two ways to remove grout:
1. scrape
2. acid

Travertine is a form of calcium carbonate and acid would eat it as well as
the grout. Calcium carbonate is also very soft and can easily be
scratched/damaged by scraping with steel.

I don't know what you mean by "adjusted to the edge area of the travertine
tile" but I'd try a wooden scraper. Hard wood.

--

dadiOH
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Posted by Angela on October 3, 2009, 10:42 am

> Angela wrote:

>> If grout is already dry but has not been sealed yet, what is the best
>> way to remove (scrape off?) it from the adjusted to the edge area of
>> the travertine tile?

> I only know of two ways to remove grout:
> 1. scrape
> 2. acid
> Travertine is a form of calcium carbonate and acid would eat it as well as
> the grout. Calcium carbonate is also very soft and can easily be
> scratched/damaged by scraping with steel.
> I don't know what you mean by "adjusted to the edge area of the travertine
> tile" but I'd try a wooden scraper. Hard wood.

Sorry for confusion, here is what happened: while applying some fresh
grout over a seam (to fix a wrong colored stretch) it was pasted over
the adjoining tiles.

Would using even fine sandpaper lead to the surface damage as well?

Posted by norminn@earthlink.net on October 3, 2009, 11:01 am

Angela wrote:

> If grout is already dry but has not been sealed yet, what is the best
> way to remove (scrape off?) it from the adjusted to the edge area of
> the travertine tile?
>
>

On ceramic tile, vinegar in water is used to remove fresh grout haze.
On marble, vinegar might affect the gloss. I would first try a marble
cleaner - follow label instructions. A non-abrasive plastic scrubber or
stiff nylon brush would probably help without scratching marble. Your
question is confusing. Is this polished? Tumbled? Floor? Large area?

I did a google search on "travertine remove grout haze" - lots of hits,
including commercial products:
http://www.custombuildingproducts.com/ResourceLibrary/amiresources/aquamixsurfacefinder/travertineproducts/surfacefinder_travertine_problemsolvers.aspx?user=pro&lang=en
http://forums.findstone.com/forum_posts.asp?TID=2409#

Posted by Angela on October 3, 2009, 12:02 pm

> Angela wrote:

>> If grout is already dry but has not been sealed yet, what is the best way
>> to remove (scrape off?) it from the adjusted to the edge area of the
>> travertine tile?
>>
>>

> On ceramic tile, vinegar in water is used to remove fresh grout haze. On
> marble, vinegar might affect the gloss. I would first try a marble cleaner -
> follow label instructions. A non-abrasive plastic scrubber or stiff nylon
> brush would probably help without scratching marble. Your question is
> confusing. Is this polished? Tumbled? Floor? Large area?
> I did a google search on "travertine remove grout haze" - lots of hits,
> including commercial products:
>

http://www.custombuildingproducts.com/ResourceLibrary/amiresources/aquamixsurfacefinder/travertineproducts/surfacefinder_travertine_problemsolvers.aspx?user=pro&lang=en

> http://forums.findstone.com/forum_posts.asp?TID=2409#

The tiles are filled and polished. The affected area is where a wall
meets the shower stall floor made of small "mosaic" pieces. The first
row from the wall have been pasted over just yesterday.

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