Whenever I am working on limestone or any other material that sealing the floor will not make it bullet proof. It gives you a little longer time to clean up the spill. If the spill is not attended to quickly after the spill there is a chance it could stain.

I always explain to my customer how sealers work. I use a water glass as an example, if the water glass represent the pores within the stone when you fill the glass with water it will fill up at once. If you take that water glass and fill it with sand and then pour water into the glass the water will penetrate into the sand but takes longer because the sand fills the pore within the stone and is slowing down the absorption into the stone.

Thus the sealer acts like the sand in the pore slowing down the absorption but it does not eliminate the absorption.


I would not have applied the sealer on lime stone with the floor machine. I would have applied an good even coat onto the floor using a terry cloth towel to insure a good even coat. The application of the sealer witrh a floor machine work good on a polished marble but on other more porous materials I still prefer the hand and knee application with a terry towel to assure proper penetration into the stone .



John E. Freitag


The Stone and Tile School

Office 407-567-7652

Cell 407-615-0134






From: Info Info []
Sent: Saturday, July 09, 2011 2:54 AM
To: Restoration and Maintenance
Subject: [sccpartners] How to get this "monkey" of my back



Recently we have finished project where we stripped old, topical sealer off, diamond honed, powder honed and seal 740 sq ft of limestone. We used solvent based, impregnating sealer from SCC and floor machine to apply 2 coats. We also supplied SCC marble cleaner and explained in detail how to clean the floor.


Now, week and half later, customer is complaining that the project did not solved his main concern that floor will be protected from the spills (not the etch marks). As an example he splashed water onto the floor and even thou water bubbled on the surface, limestone got a lot darker. His reasoning is that if stone gets darker, means not completely sealed and will stain when something else gets spilled, like oil, wine etc. He agreed that being a limestone, porous by nature, even pouring gallons of sealer may not completely seal the stone and rejected my offer to seal the floor with another coat of sealer. He agreed that the floor looks a lot better but since part of that floor is in the kitchen and dinning room and impossible to prevent accidental spills, it will stain. As of another example, he showed new, oily stains next to the fridge and poured and wiped off red wine onto the floor which also stained. He fills that he spent a lots of money for nothing and he wants to get his money back because the stains are not cleanable.


How to explain, why the sealed limestone gets darker when wet? I always want to lower the expectation and over deliver the results but here I need some counter arguments to repel his insane request and general guidance of what to say to this these type of requests in the future. Returning of money is not an option. What should I do?


Adam Bartos

BiO Tile


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