Best 7 Granite Sealer for Countertops in 2022 | [Reviewed+Buyer’s Guide]

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

In a situation like this, the granite sealer becomes your best choice. Basically, the 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.

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.

If you look online for any granite sealer, you will stumble upon many granite sealers with different features and price ranges, and choosing one of them is a tough task.

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

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The Best Granite Sealer for Countertops

1. TriNova Granite Sealer & Protector (Best for Countertop Surface, Marble, Tile)

Trinova is our number one choice for the best granite sealer because of its outstanding performance. And above all, it can protect your granite countertop or any porous stone from unwanted stains for about 5 years, which is impressive.

This particular granite sealer has received over 85% positive reviews out of 1000 reviews, which shows how reliable this product is.

This two-in-one product can be used as a sealer as well as a protector too. Once you have applied this sealer on the surface, you don’t have to worry about any food or oil stains at all. Other than that this sealer is also supposed to work as a re-sealer for long-lasting protection.

Unlike other sealers, this granite sealer comes in an 18-ounce bottle, and it uses the spray system to apply the sealing agent on the surface to be protected.

On top of that, you can use this sealer on any type of surface including Quartz, Marble, Granite, Quartzite, Porous, and Soapstone.

The Trinova granite sealer utilizes the powerful blend of polymers that penetrates the stone or granite’s natural porous surface to prevent any stains from seeping into the surface and becoming a permanent stain.

By doing this, the Trinova sealer also provides a protective layer to granite to protect it from any water spotting and other residues from sticking on it.

It will make your granite look beautiful and clean if you use it regularly. Although the manufacturer has claimed that it will protect any interior surface for up to 5 years, but we all know that it will not last for that long.

There is no time limit when to use this sealer, but instead, you should reseal your granite when it is needed otherwise you will be wasting your money on it.

Other than protecting, this granite sealer works really great for sealing the grout to protect it against stains that develop between the tiles of the shower and living room.

What’s more; one extra-long tube is included in the whole package that will reach down into every corner to cover every angle of the kitchen. The installation process of this tube is straightforward; just bend the tube and screw the nozzle on, and you are good to go.

Overall I would say this is a really nice granite sealer to have and its long-lasting sealing agent will save you the time and money to reapply the sealer again and again.

2. Granite Gold Granite Sealer Sprey (Water-Based)

Granite Gold holds an image of producing quality products, and this granite sealer by Granite Gold is a prime example of this. If you have ever used any Granite Gold’s product, then you know how awesome their products are.

Granite Gold specializes in the stone care industry and their expertise on this subject is far superior to any other company because they are in the business of making stone care products for three generations now.

This undisputed king of the sealer industry features biodegradable chemicals and contains no harmful substances like phosphates or ammonia; thus, it is safe to use in the kitchen and home too. Other than that, it is non-toxic, non-acidic, and pH-balanced, which is another reason to choose this product over others.

This granite sealer is formulated for all stone surfaces so you can use it on any surface. On top of that, it provides long-lasting protection on surfaces including granite, marble, travertine, limestone, slate, grout, and all other natural stone.

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

Similarly, you can use this sealer to seal the grouts or protect the tile of the bathroom from soap and water-based stains. Aside from that, it creates a barrier that protects the stone surface from potential stains such as oil, water, coffee, wine, and many other liquids.

Once the surface is sealed using this granite sealer, it will protect your stone surface for months. However, to be on the safe side, you may need to check if the surface is still protected or not.

You can regularly check the integrity of the sealed surface using this simple water test; pour the water on the surface of 3 inches in diameter and let it sit there for 30 minutes. If you see a dark mark or ring on the surface, then the water is penetrating the surface, and you need to reseal the surface.

The application of this sealer spray is effortless and does not require any getting used to. Simply spray the granite sealer on a 3-foot section of your stone surface and after some time wipe it with a lint-free cloth. And repeat this process 2-3 times for added protection and wait 20-30 minutes between every application.

The materials of this sealer are not only safe to use, but they do not compromise on its efficacy of cleaning stains, and also it maintains the natural charm of the stone.

As you may know, the solution of this sealer is water-based and does not produce any odor or bad smell at all, and this same is also confirmed on the packing by the manufacturer as well.

However, that is not true because this sealer does leave a very strong smell after application, so it is the only downside of this product that we have discovered so far.

3. Miracle Sealants 511 Impregnator Sealer

Miracle Sealants seems like another mediocre brand but let me assure you, this brand has become the favorite brand of many tile installers and homeowners. This top of the line high VOC solvent-based sealer can be used on all types of tile, grout, and stone surfaces.

What I like most about this granite sealer is its unique molecular structure. This molecular structure has the capability of being water-resistant in the wet shower, so it is very useful when you want to seal the surfaces that are in continuous contact with moisture.

Its relatively high VOC chemicals are expected to soak deep into the grout and other stone surfaces, and thus it leads to the superior protection of your marble/granite.

If you are worried about the sealer affecting the natural color of your stone, then you will be relieved to know that the 511 Impregnator penetrating sealer does not affect the color of your surface. Instead, it enhances the brightness of flooring; thus it becomes the top choice for those who do not want to compromise with the aesthetics of their tiles and granite countertop.

Unlike other granite sealers on our list, the 511 Impregnator sealer covers up to 1000 square feet of area which impressive given its affordable price range.

You will be surprised to hear that this specific granite sealer safeguards the interior surfaces for up to 5 years and exterior surfaces for up to 3 years.

Since this sealer is bio-degradable and eco-friendly, it makes it a perfect fit to use around kids and pets. Users and critics praise this sealer, and they have declared this sealer to be the best than any other granite sealer they have ever used.

What makes this sealer stand out from other granite sealers is its UV transparent liquid and weather-resistant elements. And because of this, it is highly effective on exterior surfaces too.

Other than that, this granite sealer is safe to use around food preparation areas such as kitchen countertops due to its non-toxic chemicals.

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

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

However, some of the customers have reported a strong smell after the application, so you are being advised to ventilate the house when applying the sealer.

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4. StoneTech BulletProof Sealer

The StoneTech BulletProof sealer is designed to provide maximum protection against natural marble and even the toughest water-based, and oil-based stains can’t affect your stone once you apply this sealer on it.

This quart size bottle can seal up to 100 square feet of area, which is quite lovely given its top-notch performance and long-lasting protection. Speaking of protection, the water-based fluoropolymers of this granite sealer can protect your interior surface for up to 5 years.

And if you intend to use it outdoors, then you can expect about 3 years of protection out of this sealer.

The sealing process is easy and requires no learning curve; however, there are some instructions you need to follow to ensure the proper sealing of your granite countertop.

You would need to keep the room well ventilated, and the temperature of the room should be around 50 to 80 degrees Fahrenheit. And don’t forget to clean the surface properly and it should be free of impurities like wax and other coatings.

Also, don’t apply the sealer until the surface is fully dry and if there is standing water on the surface, then be sure to remove it first. Furthermore, to be on the safe side, keep the pets and children out of the area.

This granite sealer eliminates the need for applying repeated coats on the surface because a small quantity of the sealing liquid covers a big area, and it lasts for years.

One of its kind, the StoneTech sealer dries up quickly thus saves you a lot of time and energy. If you apply the sealer properly, then you will get an excellent result.

Compared to average sealers, StoneTech uses an advanced formula that quickly bonds with the surface to protect it from filthy oil and water-based stains.

You will love the versatility of this granite sealer to be used on various surfaces like marble, granite, limestone, slate, Saltillo, bluestone, flagstone, travertine, and sandstone.

Although you may find the price of this sealer to be higher than other granite sealers on our list but its impeccable quality and ultra-safe components make it worth your money.

If you want to protect your stone surface from nasty stains and want a glossy look at the same time, then we recommend the StoneTech BulletProof sealer.

5. Supreme Surface Granite Cleaner, Polish and Sealer (With ioSeal Protectants)

The Supreme Surface is renowned for its top-quality products for delivering long-lasting, and result-driven performance, and their products are adored by many users. Amazing customer reviews and impeccable selling of the product speak for themselves.

The components of this product are such that it imparts the instant glow and subtle fragrance upon use and even the dullest and faded countertop looks like a new stone.

This all-in-one granite sealer supposed to work as a cleaner, polisher, and sealer too. This sealer not only seals the surface but it also smoothens out the surface giving it a vibrant and glossy look.

Its regular usage will give you a finely polished surface with a shiny look that will last longer than you think. Other sealers leave the residue build-up after the use, and it makes the cleaning process very difficult.

Well, that is not the case with the Supreme Surface granite sealer because it comes with the ioSeal protectants. This ioSeal protectant creates a strong ionically charged barrier with the surface that won’t wash off easily. And its variety of applications come in handy when you want to clean, polish or seal the surface.

Because of its non-toxic and bio-degradable property, this sealer is safe to use anywhere in the house, including the kitchen area and bathroom. To top it off, the pH balanced nature of this sealer neutralizes the harsh chemicals and tough stains such as hard water spots and dirt.

This dual-application sealer can work on granite, marble, quartz, and other natural stones for sealing and polishing.

You will get this sealer packed in a steel bottle with a spraying nozzle attached to make the sealing process effortless and efficient. 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 that will work as a cleaner and polisher, then this is the best product money can buy.

6. Tuff Duck Granite, Grout and Marble Sealer

There are so many granite sealers 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!

As you may know, grouts are essential when laying tiles, and these groups are prone to accumulate liquid and moisture, and let’s forget the stains that will lead to several detrimental effects.

Tuff duck is currently ranking number one for best granite and marble sealer, and it is also best suited for sealing the surfaces of stone such as granite and marble. Because of its affordable price range and outstanding performance, this granite sealer has won the hearts of every kitchen owner.

The manufacturer claims that this particular granite sealer contains twice the active ingredients as StoneTech to provide you maximum protection with a single coat.

Moreover, the non-acidic formula of this product covers up to 800 square feet of the area so that this product will last longer.

Some of you may be wondering if this granite sealer works on surfaces like Quartz and quartzite then yes it works on both of those surfaces including ceramic and porcelain tiles too.

And as for the applying process of this sealer; first of all, clean the surface to be protected and then spray the sealer on the surface and let it dry for 20-30 minutes. And after that wipe it off, and you are good to go.

The active chemicals of this sealer efficiently penetrate the grout surface and cover up its natural pores for maximum protection against stains and bacteria.

You will be able to protect your interior surface (granite or any type of surface) for 5 years and 3 years for any exterior surfaces.

There is a downside of the sealer too; the sealer emanates a 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 permanent white residue.

But its pros outweigh the cons. There are so many reasons why consumers love this product, and the company’s promise to deliver safe and non-acidic sealant is one of the top reasons.

So if you are looking for a granite sealer without spending a fortune, then we suggest you choose the Tuff Duck granite sealer.

7. Black Diamond Natural Stone Penetrating Sealer

Who doesn’t know Black Diamond? If you have ever used any granite sealer, then you must know about this fantastic brand. The Black Diamond demonstrates the high-quality sealing of any surface while maintaining the natural beauty and shine of the surface.

Apart from sealing the surfaces, this sealer also leaves a pleasant lemon scent after application that lightens up the surrounding atmosphere.

This granite sealer is made of bio-degradable chemicals; thus, it is safe to use in the bathroom as well as in the kitchen. Furthermore, the granite sealer utilizes reliable and non-toxic materials, which makes it very user-friendly to use and requires no protection such as goggles and gloves when applying it.

The most remarkable feature of this granite sealer is its long-lasting protection that will help you save a whole lot of money on granite sealers. In addition to that, it does not harm the surface in any way and maintains the original beauty of the surface.

I was impressed to see that this product is offered in various quantity options so it can accommodate the need of every user out there.

The water-based active sealing agents of this granite sealer are capable of protecting your precious surface against any kind of stains including oil, coffee, food, wine, grease, ink, and germs.

Unlike other sealers, the Black Diamond Nex-Gen Natural Stone Penetrating Sealer does not emanate any foul or lousy odor while it is being applied. So it eliminates the need for ventilating your house or removing your child or pet outside the home.

Aside from that, the sealing process is relatively easier than other granite sealers. All have to do is just spray the sealer onto the surface to be sealed and after sometime wipe it with a clean cloth and voila your surface is sealed.

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. It can be used on any surface such as granite, marble, limestone, concrete, grout, and travertine.

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

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.

How to Seal Granite?

Granite Sealer Buyer’s Guide

Before you choose any granite sealer, first of all, you need to identify what are your needs and after addressing these specific questions, you can select the best granite sealer. To help you solve this situation we created this buying guide in which we covered all essential topics about the granite sealer and what to know before buying a granite sealer.

Granite Sealer Categories

Primarily there are two main categories of granite sealers; the first one is a penetrating sealer, and the second one is a topical sealer. Either of them can be water-based or oil-based depending on the chemicals used in the production of granite sealer.

As you know the oil-based sealers leave a strong odor even after wiping off so that is why you should not use it in a closed area and also the cleaning process is cumbersome compared to the water-based sealer.

On the other hand, the water-based sealer does not have a strong odor and some sealers even emanate a nice scent after application, which is quite fascinating. Also, this type of sealer does not require stone surfaces to be dry or completely clean. It can be used on any type of tile, marble, stone, concrete pavers, marble, onyx, quarry tile, sandstone, travertine, porcelain tile, brick, and much more.

Types of Granite Sealer

There so many types of sealers are available on the market with different uses and characteristics. We have explained each of them in detail so you can adequately understand the difference between them. And because of this, you will not have to waste your time researching different sealers.

Penetrating Sealers

As the name suggests this sealer penetrates the surface and does not change the look of your surface. It seeps into the surface of the granite and makes a film on top; thus other oil-based or water-based stains won’t be absorbed by the surface. Furthermore, the penetrating sealer will not change its COF (coefficient of friction) after being applied. This type of sealer is, by far the most used sealer by many homeowners. There are two levels of coverage this sealer can provide, have a look.

1. Standard Sealer

The standard sealers are relatively cheaper and don’t last long as premium sealers. Also, they can only protect your precious stone surface or granite countertops from dirt, drinks, and other debris, and they do not provide any protection against oil-based stains whatsoever.
And because of this, the standard sealer is not a good choice to use in a commercial food service area or residential kitchens.

2. Premium Sealer

The penetrating type premium sealers offer top-notch and long-lasting performance against any type of stains you throw at it, including oil-based stains water-based stains, and water spouts.

It is a great sealer to use in the residential kitchen as well as commercial food serving areas. Although this type of sealer is expensive but trust me, you will be saving a whole lot of money in the long run.

Enhancing Sealers

This type of sealer enhances the natural colors of your stone surface and maintains it for a long time without compromising the look and shininess of the granite.

Some Enhancing sealers come with the capability to protect against oil-based and other stains in addition to the enhancing feature, but they are quite expensive.

Topical Sealers

The topical sealer does not last long and peels off easily. So that is why you may need to reapply the sealer more often than enhancing and penetrating sealers. This sealer is also known as sacrificial coating sealer because it wears rather quickly and thus they are quite cheaper than any other sealer on the market.

The Water Test: Know If you Need to Re-seal Your Granite Countertop

All people want to keep their kitchen countertops protected from potential stains during food preparation and daily activity. However, you may need to check whether your countertop is sealed or not continually.

On top of that, if you have a granite countertop, then you know it is very sensitive to stains, and it may get a permanent stain if not taken care of properly. Marble and granite both have high porosity, so you have to keep them sealed to ensure their longer life expectancy.

Using this simple test, you can check whether your granite countertop is sealed or not.

The water test instruction;

1. Pour a small amount of water on the counter and leave it there.
2. Note the time you placed water on the countertop and also note the time when the surface starts to absorb the water.
3. Now using the below scenario, you can determine whether you need to seal your granite surface or not.

• If the water gets immediately absorbed by the surface, then apply the 3-4 coats of the sealer and wipe it off and you are good to go.
• If the surface takes about 4-5 minutes to fully absorb the water, then do the multi-layer of sealing but only re-do it after 3-5 years and that too after taking the water test only.
• If the surface takes about 10 minutes to absorb the water, then apply a single layer of sealing coat.
  And if it takes about 30 minutes or does not absorb the water at all, then there is no need for sealer.

Also, do not forget to clean the target surface properly; otherwise, the surface may get damaged by the stains. We recommend you to clean the surface using mild and neutral pH cleaner or soap/detergent water to maintain the beauty of your elegant stone.

If that is not enough for you, then you can use the dedicated granite cleaners that are designed for the sole purpose of cleaning countertops before the application of granite sealer.

And last but not least, make sure you follow the manufacturer’s instructions when applying the sealer.

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