Did you try cleaning with acetone? Leave the acetone on for sometime it should make the polyurethane softer then you wash with steel wool until you remove it all. after is all clean you should apply an oil base enhance sealer let it cure and then apply a water base sealer 3x let it cure 15 - 20 minutes in between applications Once is dry buff it up to remove all haze.
Kelly DaSilva
Project Manager
Installing, Repairing and Maintaining of Natural Stone and Other Man Made Solid Surfaces in Both Commercial and Residential Settings. Serving the Tristate since 1996'
CT Office :289 White ST
Danbury CT - 06810
(203)794-1000
NY Office: 244 5th Avenue,Suite 2608 New York, NY 10001 (212)726-2518
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The contents of this e-mail and any attachment(s) are confidential and intended for the named recipient(s) only. It shall not attach any liability on the originator or Marble Doctors LLC. Any views or opinions presented in this email are solely those of the author and may not necessarily reflect the opinions of Marble Doctors LLC. Any form of reproduction, dissemination, copying, disclosure, modification, distribution and / or publication of this message without the prior written consent of the author of this e-mail is strictly prohibited. If you have received this email in error please delete it and notify the sender immediately. Before opening any mail and attachments please check them for viruses and defect.
-------- Original Message --------
Subject: [sccpartners] Polyurethane on Granite
From: PJ Raduta <pjraduta@diamondstoneandtilecare.com>
Date: Fri, October 19, 2012 5:28 am
To: "Stone and Tile PROS Technical Support"
<sccpartners@stoneandtilepros.com>
Hey partners,A client has a granite step outside his house and some hardwood floor guys spilled a bunch of polyurethane in sections, causing an uneven coloring. (I actually think the polyurethane sections look better than the otherwise worn granite, but that is just my opinion... :) )Do any of you know any tricks on how to get this out aside from a normal poultice? Also, since it is outside, I am unsure of the best way to apply the poultice, as it will be exposed to the elements.
I attached some pictures. Thanks!--PJ RadutaDiamond Stone and Tile Care(267) 349-0069