Dupont Granite and Marble Countertop Sealer Review 

 June 13, 2020

By  Dale Keese

Natural stone countertops such as marble and granite make gorgeous additions to any kitchen.

They certainly elevate the elegance of your home and will make you and your guests want to spend more time here. However, it should be said that both marble and granite countertops require some TLC in order to maintain their strength and beauty for decades.

Dupont Granite and Marble Countertop Sealer

Source: ebay.com

Whether you use marble and granite countertops in your kitchen, or other parts of your home such as bar, laundry, office, or bathroom, they will last you a long time as long as you invest some time into maintenance.

That’s because the nature of these stones, and the way they tend to be used in homes, makes them vulnerable to stains caused by exposure to food, water, drinks, and other environmental factors. They are porous, which means that they have microscopic voids in them from where oil, water, food, and other sources of stains can get stuck in – leaving you with unsightly marks on your once-beautiful countertop.

The simple, fuss-free use of a marble or granite sealer already prevents these headaches because they make the stone impenetrable to liquids. 

Meet Dupont Granite and Marble Countertop Sealer, your new best friend. This highly advanced formula was designed to offer maximum protection for marble and granite, even for tough oil and water-based stains. 

This sealer is so popular and for good reason; it’s clear that if you have a granite or marble countertop in any part of your home, this is the sealer you should be using.

Aside from protecting from a huge majority of common and not so common stains, Dupont Granite and Marble Countertop Sealer also provides state-of-the-art penetrating microbond protection. 

Dupont Granite and Marble Countertop Sealer can be used on several substrates including honed and textured marble, granite, travertine, limestone, bluestone, Saltillo, quartzite, and flagstone. 

Any homeowner who has used these stones will tell you that yes they are beautiful, but they aren’t cheap. That’s why maintenance is crucial.

Dupont is a trusted consumer goods brand that has been around for over 200 years. They are known for applying scientific principles to create household items that increase our quality of life, and their sealers are no different.

Dupont Granite and Marble Countertop Sealer is heavy-duty, and that already makes it a notch above all its competitors. It’s also really easy to apply – all you need to do is give your countertop a good cleaning, apply the sealer, wait for it to activate, and then wipe off the excess. 

What’s more, you can have peace of mind knowing that this sealer won’t change the look of your natural stone investments. It was formulated to protect while enhancing your stone’s beauty.


Dupont Granite and Marble Countertop Sealer is not only effective, but it’s also versatile and extremely useful too. Here are the main benefits of using this sealer.

  • Ideal for interior and exterior use
  • Offers maximum protection against most stains
  • Can be used to seal a variety of porous natural stone including tile, grout, and masonry
  • Formulated with an advanced penetrating microbond protection
  • Water-based formula 
  • Preserves the natural look of your stone

We know how expensive your marble, granite, and natural stone investments can cost, so you shouldn’t be waiting too long before sealing it. These will only be permanent investments if you invest in their maintenance too.

How often you’d need to reapply sealant will depend on a variety of factors, though it’s recommended to seal granite countertops at least once a year.

How Much Granite and Marble It Can Seal

One quart of Dupont Granite and Marble Countertop Sealer can seal up to 225 square feet for one application. On the other hand, a gallon can seal 900 square feet with one application. 

Isn’t Dupont Granite and Marble Countertop Sealer so cost-effective?

Keep in mind that the amount of surface it can seal will depend on the exact type of stone you are using, and its porosity.

What People Are Saying

Dupont Granite and Marble Countertop Sealer is a sealer loved and trusted by homeowners around the world. 

But we studied online reviews to see what customers had to say about using this product. 

Based on what we’ve read, customers appreciate how easy this sealer is to work with. In fact, some reviews rave that their countertops don’t look sealed at all: that’s a testament to how well this sealer treats your natural stone. Homeowners also love that even if Dupont Granite and Marble Countertop Sealer is invisible, it certainly protects the grout and even tile very well. 

Some homeowners did say that while Dupont Granite and Marble Countertop Sealer works well, it still doesn’t mean that your countertops will permanently ever be free from stains. They noticed that liquids such as tomato juice can still leave a stain.

Buying Advice

If you want to make sure your money goes a long way after investing in granite and marble countertops, sealing them is necessary.

The good news is that doing it yourself is easy and simple enough. Whether it's your first-time sealing a countertop or you’ve done this dozen of times, once you try Dupont Granite and Marble Countertop Sealer, you’ll know why it’s loved by homeowners near and far – as well as the professionals.

If you order this from your favorite retailer online such as Amazon, they can ship it to you straight away and you’ll have it delivered to your front door within just a few days.

Final Verdict

We spend loads of time by our countertops, especially those that are placed in the kitchen. It’s where we lovingly prepare meals for our families day in and day out, and for others, it’s a place to entertain loved ones.

We don’t want to expose them to unsightly stains, but more importantly, sealing helps ensure our investments are protected. Dupont Granite and Marble Countertop Sealer is the sealer you need for granite, marble, and other natural stones. 

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