James ,

First if the lippage is over 1/16 of an inch you may want to go in and first grout the floor and leave the excess grout on the tiles and the lippage. This will build you a ramp going into the lippage and will be easier to do the first grind and not be as hard on your equipment and the operator. The first grind is going to be your work hours grind. Use a 50 or 40 grit metal lippage diamond. These lippage diamonds are available fron Stonecare central.

Once you have the floor flat on the first grind, this means you have removed all the grout use use to biuild your ramps and the floor in completely flat. The first grind is going to double or triple your normal grinding time. The time depends upon the  thickness of the lippage. Once your are done with the 50  or 40 grit lippage then go to the 100 grit metal lippage diamond. At this point you can go back to your normal grinding time as you leasrned in training.

After the 100 grit metal lippage diamond then go to the resin pads. You will need to start with a 50 resin, 120 , 220 etc until you honed to the level you can polish the floors.  on the resin diamond pads use your normal grinding/ honing times.

Then polish with 5 X

Keep in mind there will be hand work to do around all the edges to achieve the finish you need to deliver to the customer.

John E. Freitag

President/Director

The Stone and Tile School

Office 407-567-7652

Cell 407-615-0134

jfreitag@thestoneandtileschool.com

www.thestoneandtileschool.com

To: Restoration and Maintenance

Sent: Friday, July 29, 2011 10:00 AM

Subject: [sccpartners] Flattening Marble Foyer

 

Hello Partners,

 

Took a look at restoring nearly 300 sq ft of a white marble with gray veining installed in a foyer and bathroom. Customers installed the floors themselves many years ago, and it has lots of lippage.  It's not that bad, just plentiful, and they inquired about flattening the floor.  Since I've not flattened a floor before, I'm seeking your expert advice on what it takes to do so.  Some questions that come to my mind are: Do I need anything other than my current inventory of 50 grit to 1800 grit resin diamonds for grinding?  Will my Mastercraft Quarry Master floor machine suffice?  Is additional machine weight necessary when flattening?  Would it be beneficial to have them remove the toilet & basin in the bathroom?  When flattening, do I have to grind the entire floor?  I'm sure I may have missed some other things, so any and all advice would be appreciated.  Finally, how to charge for such and any recipe for times needed when grinding would also be needed so that I could provide them with a cost estimate.  I've attached photos, and as always, thanks all of you for your valuable advice.

 

James L. Billeaudeau

Diamond Marble Polishing

Lafayette, Louisiana

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