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Questions regarding the care and maintenance of Marble, Travertine, Limestone and Terazzo. I can also help with Granite.

Experience in the area

I am an experienced trainer working with contract cleaners trying to add hard surfaces to their list of offered services. I have a line of stone care products for sale and offer technical support for these products which gives me an edge with regard to working with natural stone.


Palomar College - undergraduate studies ISS IICRC credited training for hard surfaces

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COIT Services Stanley Steemer Hydroforce

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Prashant S Akerkar12/10/15101010Dear Don Thanks. Thanks & Regards, Prashant .....
Judy02/11/15101010Don, many thanks very much for your .....
Prashant S Akerkar11/16/14101010Dear Don Thank you. Thanks & Regards .....
Prashant S Akerkar11/14/14101010Dear Don Thank you. Thanks & Regards .....

Recent Answers from Don Moore

2015-06-24 Marble leaking watery substance through Grout:

In my experience this is an indication of seepage under the slab. This is normal and very difficult to be rid of as it is a water table issue. I guess that you will have to decide if the issue with the

2015-06-23 Marble leaking watery substance through Grout:

This looks like mineral deposits. That is a sign of water in the foundation. It is common but will eventually damage, or may have already damaged the floor. The probable reason it has not been dealt with

2015-03-11 Removal of hard water stains on colored concrete:

Hard water spots are basically minerals from hard water. Minerals can be removed with a high concentration acid. Unfortunately this can also damage the concrete finish too. I suggest using a combination

2015-02-18 Flooring Container ..:

Vitrified restaurant tile looks good and is designed to take punishment. There are plenty of good resources available online at amazon and other online bookstores. Your quetion poses a lot of questions

2015-02-11 Care and repair for polished white marble:

In this case I think that the professional is correct, often times during an installation there is seepage of thinset (a brownish grey material) into the stone. Due to the nature of white it's very tough


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