I normally tell customers on warm climates like Florida and
California that exterior stones need to be cleaned and sealed at least every 12
to 18 months
John E Freitag
Director
The
Stone & Tile School
Office
407-567-7652
Cell
407-615-0134
jfreitag@thestoneandtileschool.com
www.thestoneandtileschool.com
From: Randy Frye
[mailto:rfrye@comcast.net]
Sent: Thursday, June 07, 2012 6:33 AM
To: Restoration and Maintenance
Subject: RE: [sccpartners] Dusting Marble
Hi Mike
I see this problem all the time in florida. I let people
know to expect it. I let them know it oxidizes from being exposed to the
different elements outside. I personally think most of the oxidization comes
from the UV Rays. Just like a cars paint job does over time setting outside.
You might ask if the ever use chlorine to kill mold, that will intensify
oxidation.
My last pool area I did paid $2,200.00. I decided to offer,
if done within 1 year the cost would be $1,500.00. They accepted this offer.
I will continue to make these offers because it will be a problem they
will need to overcome in the future and I can be the solution, They give me the
problem- I give them a discount its a win win situation.
Unless they opt to expand the roof over the whole
area. :(
On Jun 4, 2012, at 9:43 PM, Mike Marsoun wrote:
Sorry,
no photos but I looked at a job I did a few months ago (flatten to 800ao hone)
with a very dense marble from Greece that is (for lack of a better phrase)
“oxidized”. All areas that are
not under roof are turning
light, as it if it were etched. When it is rubbed with a finger there is a
chalk residue. This residue washes off but to fully remove it takes some
abrasive action, I did a small sample with a 800 grit Spinflex pad. I have seen
this problem a lot with limestone and especially travertine. I think it is just
a natural erosion, like a “micro-spalling” this is not from the
pool water, but from rain water, it is not so smoggy here, so I don’t know if
it would be acid-rain, but it could be. Any insight to this problem? Any
solutions?? They don’t want it to return.
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