Don,

In my experience with sanded grout I normally go in with a scrub brush and clean the floor and brush the grout line s to remove any loose grout or sand. Then do my work. In your case you are taking the floor from a polished finished to a honed finish I would not be over concerned. Depending upon the finish I normally use the 250 or the 400 honing p0owders from StoneCare Central. Then when I finished I seal with Stonecare Central Solvent based impregnating sealer

Just put you disclaimer in your contract.

John E. Freitag

President/Director

The Stone and Tile School

Office 407-567-7652

Cell 407-615-0134

jfreitag@thestoneandtileschool.com

www.thestoneandtileschool.com

yes , give it a try

 

I am feeling a heck of lot better..ready to get back to Florida next week for some sun

On Tue, Feb 8, 2011 at 1:08 PM, Don Semi <srsdenver@gmail.com> wrote:

The grout is 3/8" on a cement substrate in a high end high rise. It looks solid and is new. With this info, and expecting little to no deflection, it should be solid if my education is correct. Will put a disclaimer in bid and go with honing powders. Yes or no? on this process? Of course I would test. Thanks.

By the way, how are you feeling Fred.

 

On Tue, Feb 8, 2011 at 9:33 AM, Fred Hueston <fhueston@gmail.com> wrote:

Don

 

First take a look at the grout and see how sound it is..I take a knife and poke at it to see if it falls apart easy or not.  If not you might want to try a honing powder. If it is falling apart than you may have issues.  You many want to test an small area.  at last resort you can always remove the grout. How wide are the grout joints?

 

 

On Tue, Feb 8, 2011 at 11:12 AM, Don Semi <srsdenver@gmail.com> wrote:

Good morning All:

I have been asked to bid on 1500 sq' ft of Crema Marfil. It is currently polished and they want it honed. Unfortunately they have used sanded grout. Last experience with this issue, sanded grout,  was not good and I am seeking any options to avoid having a repeat of scratching all over the place. Thanks inn advance.

--
Sincerely:

Don Semi
Certified Stone and Tile Inspector
www.srsdenver.com
srsdenver@gmail.com
303-249-7909

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--
Frederick M. Hueston PhD
www.stoneforensics.com
www.stoneandtilepros.com
Recommended stone care products  http://www.stonecarecentral.com/?Click=2149

Many of my informational articles can be found at www.stoneandtilepros.com

Listen to my radio show at www.blogtalkradio.com/drfred

The Ultimate Stain Remover  www.GoDrFred.com

 

Cell 321-514-6845

 

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Sincerely:

Don Semi
Certified Stone and Tile Inspector
www.srsdenver.com
srsdenver@gmail.com
303-249-7909

---

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--
Frederick M. Hueston PhD
www.stoneforensics.com
www.stoneandtilepros.com
Recommended stone care products  http://www.stonecarecentral.com/?Click=2149

Many of my informational articles can be found at www.stoneandtilepros.com

Listen to my radio show at www.blogtalkradio.com/drfred

The Ultimate Stain Remover  www.GoDrFred.com

 

Cell 321-514-6845

 

---

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