Hi Georgia, What color is
the mortar bed? Could the installer have used dark colored mortar? Color
enhancer will definitely enhance mortar residue. Good luck !
From: rivera.gm@gmail.com [mailto:rivera.gm@gmail.com] On
Behalf Of Georgia Rivera
Sent: Tuesday, May 19, 2009 6:46 AM
To: Restoration and Maintenance
Subject: RE: [sccpartners] Travertine Help
Hi John,
Thank you for the response. I did speak with Dr. Fred
and we tried a series of things. The installers had so much caked on the
stone, one couldn't really tell the original color. We are thinking it
might have been a chemical reaction with the color enhancer the installer
used. However, Alex went into the pantry area and tried color sealer and
it seems to work nicely. I am complety stumped as to why this
occured. It is only a 1 year old floor, nobody has lived in the house and
when Alex was working on the floor, I the master assistant (lol) stayed behind
him with the vaccuum to make sure the water and slurry were cleaned up right
away. We only used a neutral cleaner/water mix to clean. We did use
400 grit honing powder with a hogs hair pad and a light mist sprayer with
water. It was after the 400 grit honing powder that I noticed the black
lines. But then again, there was grout haze still left on the floor until
we gave it a good cleaning with the neutral.
We did take a photo of the
edges where it shows the contrast of the natural color of the stone and the
orange the installer created. Also, I took a photo of the granite top
polishing Alex did. I think it turned out beautiful. This house if
full of stone and it is so pretty but nobody bothered to seal anything.
On Tue, May 19, 2009 at 8:14 AM, John Freitag <jfreitag@thestoneandtileschool.com>
wrote:
Georgia,
Sorry I didn’t get a
chance to call you back last evening, my cell died ( too much use yesterday.
The black , was this apparent
at all when you started the job?
From the pictures it almost
looks like a black mold along the grout line. Have you tried cleaning with
Bleach ? it could be that simple, if it’s some type of mold.
Is it possible to send another
picture with more of a close up shoot.
Have you tried taking a hand
grout saw a scrap the dark area? if so did you remove the dark areas?
If you can reply to these
questions this morning a can give you some additional suggestions later today,
I have a 9:00 AM appointment and should be back in my office by around 10:30 AM
and will call you and follow up on you r reply.
John
E. Freitag
President/Director
The Stone and Tile School
Office 407-567-7652
Cell 407-615-0134
jfreitag@thestoneandtileschool.com
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specified.
From: rivera.gm@gmail.com [mailto:rivera.gm@gmail.com] On
Behalf Of Georgia Rivera
Sent: Monday, May 18, 2009 7:41 PM
To: Restoration and Maintenance
Subject: [sccpartners] Travertine Help
I am on a job site right now working on a travertine project. The
installer had used sanded grout, then applied a color enhancer without getting
all the haze off, then used an acid based cleaner to try to remove the haze and
then sealed it with an impregnator...great, huh? Well the travertine
turned an orange (ish) color. We removed the sanded grout, filled with an
un-sanded grout, removed the lippage, grouted again, honed to 250 grit, grouted
again, used a 400 grit honing powder and have been cleaning up. We got
rid of the orange color and returned the stone to its original color.
I noticed these black marks on the edges of most of the grout lines. They
are not gaps in the grout, they are black marks. I have no clue where
they came from. What would you suggest I use to remove the marks?
Thanks All
Georgia Rivera
Stone Buff
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