There is a product from tenax is a color enhancer for coarz it works great I use all the time  I'm sure does a great job do not use acetone to cleaned denatured alcohol and this quartz color enhancer.
Hope this is useful.


On Thu, Mar 10, 2016, 4:45 PM Mike M <nulifesc@bigpond.com> wrote:
The floor next door has a topical and it is not spalling. I think topical (any) by nature will cut out or reduce the UV exposure, just like glass does not allow UV thru. Ill probably just go with a high quality topical and see how it goes. 


On 11 Mar 2016, at 1:05 am, John Freitag <jfreitag@thestoneandtileschool.com> wrote:

You are going to stop the spelling. These surfaces are not recommend for exteriors or son exposure. Do not know of any UV sealers

Sent from my Verizon Wireless 4G LTE DROID


Mike M <nulifesc@bigpond.com> wrote:

Hi Guys.  I have a job where the engineered stone is spalling badly because of UV exposure.

Does anybody know of a topical that has UV screen properties?
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