Top 7 Best Granite Sealer Reviews

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All the modern kitchen contains expensive granite marble which is very elegant and beautiful. To keep their integrity and shine intact you would need to take proper care of them.

During food preparations and daily activity, the oil and moisture may get sip into the marble. This reduces the natural shine and smoothness of the stone. If this problem isn’t resolved then the marble may lose its structural integrity and sometimes ends up with permanent stains.

At a situation like this, the granite sealer becomes your best choice. Basically, granite sealer uses a chemical that bonds with the surface to be protected and doesn’t let any stains or oil sip into the marble.

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You look for granite sealer online, you will stumble upon many granite sealers with different features and deciding the best one is tough.

To save you the trouble we have thoroughly tested many granite sealers on different surfaces and selected best of them. So here’s the review of best granite sealers that will protect your granite/marble for years to come.

Brand Interior Exterior Check Price
Tuff Duck
Editor's Choice
5 Years 3 Years
TriNova 5 Years 3 Years
StoneTech 5 Years 3 Years
Miracle Sealants 20 Years 5 Years
Black Diamond 5 Years 2 Years
Supreme Surface 5 Years 3 Years
Granite Gold 3 Years 1.5 Years

1. Tuff Duck Granite Sealer

Tuff Duck Granite Sealer

There so many granite sealers are available in the market but nothing works like a tuff duck. Tuff duck may seem like a funny name but once you get past the name it provides protection for all kinds of surfaces including Granite, Grout, Marble, Travertine, Limestone, Slate, and even Concrete!

One of the best thing about this penetrating sealer is that its non-acidic sealer formula will not affect the natural looks of your stone tile or countertop.

The Tuff duck sealer boasts twice the active ingredients compared to leading sealer manufacturers to ensure the proper sealing and protection with the single coat.

This sealer protects the interior surfaces up to 5 years while for exterior surfaces the sealer lasts up to 3 years.
A single quart of this sealer will cover up to 800 square feet and on top of that, it is formulated with advanced, water-based fluoropolymers.

The tuff duck is compatible with most of the surfaces like marble, granite, limestone, slate, terrazzo, travertine, sandstone and other porous stone surfaces as well.

Also, the sealing process is easy too. To seal your grout lines just pour this sealer into a bowl, sock the sealer into a sponge and paint on the grout lines. And after sometime wipe it off and you are good to go.

However, the sealer emanates strong smell when being applied so if you have any pets in the home then I would suggest you keep them outside while applying the sealer.

Also, you need to wipe off the sealer after some time which is very time consuming and furthermore if you don’t wipe off the sealer after application then it might leave a white residue.

Pros
  • Excellent for sealing almost any surface
  • The stains of soap and water clean off easily after using tuff duck on the quartzite countertop of bathroom
  • Affordable price range and available in different sizes
  • It protects interior surface up to 5 years and exterior surfaces up to 3 years.
  • The single coat will cover up to 800 square feet

Cons
  • Strong smell when being applied (not a major issue)
  • Wiping sealer after some time becomes time-consuming

2. TriNova Granite Sealer

TriNova Granite Sealer

TriNova granite sealer is our step-up pick because of its quality features. This granite sealer provides protection for premium surfaces as well as marble.

The two in one Trinova can be used as a sealer as well as a protectant for all surfaces like Quartz, Marble, Granite, Quartzite, and Soapstone.

The advanced and powerful blend of polymers easily penetrates the porous surface and thus gives a protective layer to granite to protect it from water spots and other residue marks.

As I said earlier, this product can be used as a sealer as well as a protectant. You can use this sealer to protect any type of surface against hard to remove stains while the protectant becomes useful when it comes to polishing the surface.

This sealer helps in protecting the countertop and surfaces of bathrooms from unavoidable stains from soap stains and food oils.

It comes with an 18 Oz of sealing agent liquid and one of the best features is that the bottle incorporates extra-long tube so the sealing agent will be able to reach all corners easily.

In order to use the sealer just bend the tube and screw the nozzle. Also to ensure that you have used every last drop of sealer, you can tilt the bottle.

The only downside of this sealer is its price. The product is a little bit pricer compared to the average sealers and expected wear is about 1 year.

But I would say that considering its features, the product is reasonably priced. It is long lasting quick apply and dry sealer which will save you time and trouble to reapplying the sealer again and again.

Pros
  • Quick apply and dry sealer
  • Works on almost any surfaces
  • Dual application (Sealer and protectant)
  • Doesn’t have a bad smell

Cons
  • Bit pricier than average products

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3. StoneTech BulletProof Sealer

StoneTech BulletProof Sealer

StoneTech is another penetrating sealer in our list. This sealer is designed to protect the surfaces for a longer period of time. The small amount of sealing agent covers the large section of surface and a single coat of sealer lasts longer thus it eliminates the need for repeat coating.

The sealer can be used for interior surfaces as well as exterior surfaces too. The expected wear of the sealer for the interior surface is 5 years while on exterior surface the sealer will last about 3 years.

Compared to average sealers the StoneTech uses an advanced formula which easily bonds with stone to protect it from tough oil and water based stains. Furthermore, the sealer can be used to seal all kind of surfaces such as marble, granite, limestone, slate, Saltillo, bluestone, flagstone, travertine, and sandstone.

Although the application of this sealer is easy but, before you use this sealer, you need to make sure that the surface is clean and free of waxes and coatings. Also, make sure that you clean all the standing water from the counter before applying the sealer.

The only downside of this product is that you need to clean and polish the surface properly prior to use which is rather time-consuming. But also it is necessary otherwise the sealer won’t work as it is expected and you will end up thinking that this product doesn’t work at all.

Some of the users reported that they got expired product from the seller so check the expiration date when you receive the product. Also, keep the house ventilated until the sealer dries up completely.

You may find the price of this product higher than other sealers but its remarkable qualities make it worth the money.

Pros
  • Dries up quickly
  • Works on almost any surfaces
  • Expected wear is 5 years
  • A small amount of sealer covers a big section of the surface
  • Protects from tough oil and water stains

Cons
  • Need to clean up surface properly in order to see the expected results of sealer
  • Price is high compared to other products

4. Impregnator Penetrating Sealers by Miracle Sealants

Impregnator Penetrating Sealers by Miracle Sealants

Most of the sealers fail to deliver the results, the reason being is people may have chosen a wrong sealer due to lack of information or they may have done an improper installation of sealer.

But in case of Miracle penetrating sealer, it never fails to deliver the results and does not interfere with the natural look of your stone.

This penetrating sealer is designed to protect all medium to dense porous surface including sanded grout, ceramic tile, porcelain tile, glazed tile, stucco, travertine, marble, slate, granite, and terrazzo.

The sealing agent forms an invisible barrier with the stone by penetrating into the stone and protects your stone from stains and moisture while allowing vapor to escape.

Like I said earlier, unlike other sealers in the market, this sealer does not improvise with the natural look or shine and of the surface. On top of that, regular usage of this sealer results in maintaining the shine and natural texture of your stone.

The sealer can be used on the interior as well as exterior surfaces. One of the best features of this sealer is that the treated surface becomes hard and less slippery compared to other sealers in the market.

The chemicals used in this sealer are non-toxic so the sealer is safe to use in the kitchen where food is prepared.
Some of the customers have reported the strong smell after the application so you are being advised to ventilate the house when applying the sealer.

The manufacturer offers money back guaranty if you are dissatisfied with the product which is more than enough to trust this product.

Pros
  • Satisfaction guaranteed up to 20 years
  • Suitable for interior and exterior surfaces
  • Works best on all medium to dense surfaces
  • Safe to use in the kitchen (non-toxic)

Cons
  • Strong smell after application

5. Black Diamond Penetrating Granite Sealer

Black Diamond Penetrating Granite Sealer

Black Diamond is a well-known brand for producing quality products. And this granite sealer by Black Diamond is no exception. This sealer is easy to use and provides long-lasting protection against oil stains.

You can use this sealer for interior as well as exterior surfaces because of its water-based formula. Also, this sealer uses chemicals that are odor free meaning that you won’t have to ventilate the whole house when applying this sealer.

The spraying nozzle makes it very easy to spray the sealing agent on the surface. All you have to do is just spray the bottle and after sometime wipe it off using a clean cloth.

Once you apply the sealer it will protect your natural stone/surface from oil, coffee, grease, and water-based stains. In short, after applying this sealer you don’t need to worry about your surface at all.

Because of its non-toxic and non-corrosive property, the sealer is safe to use even in the kitchen where you prepare food every day.

Before you apply the sealer you need to make sure your surface is clean and dry otherwise you may not see your expected results.

Although the manufacturer claims that the sealer will last for years but you may have to reapply the sealer after a few months to ensure the proper sealing and protection. Also, make sure to read all the instructions properly before you use the sealer.

Overall the black diamond penetrating sealer works well for kitchen countertops and stones and the product is really easy to use and dries up quickly.

Pros
  • Low-odor sealer
  • Works on almost any surfaces
  • Non-toxic and non-corrosive property of sealer for kitchen use
  • Protects surface from coffee, oil, grease stains and food

Cons
  • You need to apply it frequently for better results

6. Supreme Surface Granite & Quartz, Cleaner, Polish and Sealer

Supreme Surface Granite & Quartz, Cleaner, Polish and Sealer

The All-in-one supreme surface can be used as cleaner, polisher, and sealer. This sealer not only seals the stone surfaces but it smoothes out the surface giving it a vibrant color and reflective surface.

This sealer uses ioSeal which creates a strong ionically charged barrier with the surface that won’t wash off easily. As I said earlier the three different application of this all-in-one sealer comes in handy when you want to clean, polish or seal the surface.

Because of its non-toxic and bio-degradable property, the sealer is safe to use in the home as well as the kitchen. The sealer protects your surface from all kinds of stains such as oil, dirt and water based stains.

The regular use of this sealer will result in a polished and stain free surface. Unlike other sealers, the supreme surface sealer leaves a pretty scent after it is being wiped.

You will get this sealer packed in steel bottle with spraying nozzle attached to make the application easy. Don’t forget to clean the surface before applying the sealer otherwise the sealer won’t work properly.

The product works great on most of the surfaces. On top of that this particular sealer has received many positive reviews on Amazon. So if you are looking for a budget sealer which will work as cleaner and polisher then this is the best product money can buy.

Pros
  • All-in-one Product (Sealer, cleaner and polisher)
  • Nice fragrance
  • Non-toxic and Bio-degradable
  • Covers 6500 sq. feet

Cons
  • Some people may find the price of this product high

7. Granite Gold Sealer Spray

Granite Gold Sealer Spray

If you are worried about degradation when using the sealer in your kitchen then you should check out the bio-degradable Granite Gold Sealer.

This sealer is non-toxic, non-acidic, and contains no ammonia or phosphates. On top of that, the sealer is pH balanced which means you can use this sealer on countertops where food preparation is handled.

The bottle contains 24 Oz of sealing liquid and it uses a nozzle to spray the sealing liquid on the surface. Although it comes with an easy instruction, the product is very easy to use.

To seal the surface, spray the sealer on a 3-foot section of a surface and after 3-2 minutes wipe it with a lint-free cloth. To get maximum protection that will last longer, apply the sealer 2-3 times between intervals of 20 minutes.

This works on almost any kind of surface you throw at it including granite, marble, travertine, limestone, slate, grout and all other natural stone.

As you may know, this sealer is water based sealer so it shouldn’t have any odor at all and this also has been claimed on the packaging as well. However that is not true, the sealer does emanate slight smell after application so make sure you ventilate your house properly when using this sealer.

But still, the product is cheap, comes in a large quantity and above all it dries up quickly so if you are looking for a sealer that is safe to use in a kitchen then I would recommend this product.

Pros
  • Because of its bio-degradable formula, the product is safe to use in the kitchen
  • The product is cheap and comes in a large quantity
  • Non-acidic, and non-toxic product
  • Works on almost any kind of surfaces

Cons
  • The after smell of sealing application may irritate you if you don’t ventilate your house properly.

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