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Should White Quartz Countertops Be Sealed

Posted by Stone Care Pro on

Should White Quartz Countertops Be Sealed?

Today we received an email from a customer that recently had a white quartz countertop installed in her kitchen. Having questions about care and maintenance, she reached out to our team of stone professionals.

    From The Customer: "Leigh P"

    We just installed new white quartz countertops. The company we used said that it is man-made and therefore doesn't need to be sealed. I just read somewhere on the internet that you should never "seal" quartz countertops. Can / should I use this to make them shiny and bright? It said it could dull the shine over time.

    From Our Stone Pro: 

    • Without a doubt, white quartz countertops will absorb and it's possible for them to stain
    • It is true that engineered stone countertops, or “quartz countertops,” are man-made. However, this has nothing to do with the rate of absorption
    • Be sure to clean up spills
    • It is also true that you shouldn’t use a “penetrating sealer” on quartz countertops

    It is important to know how the surface of the quartz countertop is going to react with various solutions and chemicals. Most penetrating sealers are solvent based or contain chemicals that will have an adverse reaction to the resin used within the quartz counters.

    A listing of chemicals that can damage quartz countertops

    • Abrasive
    • Strong alkaline
    • Acid
    • Free radicals
    • Oxidizers
    • Cleaners of the like (whether high, neutral, or low pH)

    Supreme Surface® Granite, Quartz & Marble TreatmentSupreme Surface® Granite, Quartz and Marble Treatment with ioSeal, is formulated to clean, shine and protect the surface of quartz countertops. 

    Supreme Surface® Daily Stone Cleaner for Granite, Quartz Marble and More. A simple to use daily cleaner that's safe to use on quartz countertops.


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