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Old 03-24-2011, 05:41 PM   #11
pnajar
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Join Date: Mar 2011
Location: San Jose, CA
Posts: 12
Traci,

What you're going to have to do is strip the coating off. You can buy a stripper from a hardware store or janitorial store and like some of the others said it is a high alkaline solution.

It is pretty smelly and can be a bit laborious, but needs to be done to remove the coating. Do small small areas at a time, letting the chemical dwell 20-30 minutes before scrubbing. You should see the coating come right off.

Extract very soon after scrubbing to pick up all the coating. It's best to work in small areas at a time.

Because the stripper is high alkaline, it needs to be rinsed very well and if you want you can use a neutral cleaner afterward if you want to make sure the floor is neutralized.

I would a wait a day before putting down the penetrating sealer. It should penetrate if all the coating is gone. If you want to bring out the colors of the stone, use an enhancing sealer.

Good luck! Let us know how it goes.
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