Another good point! And I will emphasize on this one in numbers,
In the early 90’s when I met Dr. Fred I remember he said in his class always do a sample. It had been 10 years already that I was in the trade and 5 in restoration and I always did tests. In 2002, I got so good, so perfect at my trade, who the heck needed tests anymore!
What does the Doctor know???
Well I have eaten my pants ever since, one blunder after another. There are so many kinds of stones, cosmetically enhanced, sealed with who knows what!
If you ever get caught in the momentum of speed, just remember this, you need a steering wheel to drive , especially at high speeds. Well that’s what a test is, the steering wheel.
It not only dictates how fast you press on the accelerator but the tests guides you through the course !
Don’t ever let go of the steering wheel. No matter how good you become!
And in my opinion, the best tradesman out there is the one who does the test first.
Antonio
Marble Maestro
and
President of BNI Westmount
From: fhueston@gmail.com [mailto:fhueston@gmail.com] On Behalf Of Dr Fred
Sent: May-13-09 7:09 AM
To: Restoration and Maintenance
Subject: RE: [sccpartners] Fw: Lobby Restoration
Good suggestions. You may want to try a stright polish first. I have had some luck there. However you may have to go with a light hone to remove the yellowing. The Oxalic may work on the grainte, the only way to know is to try it first.
On Tue, May 12, 2009 at 11:37 PM, <anthony@777-7797.com> wrote:
I would stop at 800 using this procedure, because of the white Thasos, it’s not as easy to pop as some other marbles
From: Roger Konarski [mailto:qm144@yahoo.com]
Sent: May-12-09 11:33 PM
To: Restoration and Maintenance
Subject: RE: [sccpartners] Fw: Lobby Restoration
On option one, what grit would you stop @ ?
--- On Tue, 5/12/09, anthony@777-7797.com <anthony@777-7797.com> wrote:
From: anthony@777-7797.com <anthony@777-7797.com>
Subject: RE: [sccpartners] Fw: Lobby Restoration
To: "Restoration and Maintenance" <sccpartners@stoneandtilepros.com>
Date: Tuesday, May 12, 2009, 10:27 PMGive him three choices!
1- Budget price, you will grind and polish everything to a marble shine finish, this means the White Thasos will return to a beautiful shine while the border will be grinded, lippage free but they may lose some darkness and shine.
The granite will not return to its original color but it will have an acceptable consistent color and future maintenance will be a breeze.
2- After #1 offer to enhance the border with a sealer for an extra charge, this will bring out most of its dark color, but gain less shine than full polish
3- Last option do a complete grind and polish like # 1 and then run all your diamonds and flexing on the borders to the maximum diamonds 8500, but your problem will still be the polishing. To polish the Black granite you need a granite powder that normally contains some black dies which would ruin the white adjacent marble. So seal the white marble after all diamonds and marble polishing is done, finish the black with the proper Nero absolute powders , then you repolish the marble floor (especially close the black border) with marble powder. This should clean up your black residue.. Not impossible but you need a lot of time , a lot of being careful and a lot of patience.
Inform the customer, do a test so he can see and let him decide!
From: Roger Konarski [mailto:qm144@yahoo.com]
Sent: May-12-09 10:39 PM
To: Restoration and Maintenance
Subject: [sccpartners] Fw: Lobby Restoration
---
I would appreciate your help on a potential job. I’m looking @ a floor in a lobby that has been crystallized in the past. Please see attached pictures. Anyway they want the discoloration on the grout lines removed. Easy enough grind the floor. Or perhaps someone has another recommendation. The open area is white thassos and it has been ground flat in the past. Now the bordering stone is granite and serpentine which has not been leveled. I don’t feel comfortable grinding those stones especially when are next to a wall. Any suggestions in removing the crystallizer to clean up the grout lines. Would using straight oxalic acid remove the junk? It will not hurt the granite and I don’t believe it will have any effect on the serpentine. I'll be restoring the white thassos.
The next question should I put is disclaimers in my proposal pertaining to the possibe condition of the stone once I remove the crystallizer.
Again any recommendations appreciated!
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--
Frederick M. Hueston PhD
www.stoneforensics.com
www.stoneandtilepros.com
My New Radio Show www.thestoneandtileshow.com
Become a Stone and Tile Inspector..sign up for our next class in October 2009 (only one class per year is offered) www.thestoneandtileschool.com
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