Best Granite Sealer Of 2021 – Review & Buying Guide

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Are you looking for a simple and quick solution to maintain the quality of your granite surfaces? Though granite is very hard, it is also very porous. The material is therefore vulnerable to both water and oil damage.

Treating your granite surfaces with the best granite sealer can be avoided. From spray bottles to aerosol cans, this powerful product comes in many different forms.

Here’s a closer look at the most popular granite sealers to figure out which one is right for you… 

Top 10 Best Granite Sealer To Buy In 2021 Reviews

  1. Rocklinite Labs Tuff Duck Granite, Grout, and Marble Sealer
  2. Miracle Sealants 511QT6 511 Impregnator Penetrating Sealer
  3. TriNova Granite Sealer & Protector
  4. Supreme Surface Granite, Quartz & Marble Cleaner Polish and Sealer
  5. Granite Gold Sealer Spray
  6. Black Diamond Stoneworks Granite Sealer
  7. Aqua Mix Sealer’s Choice Gold
  8. Tenax Granite Sealer
  9. Granite Plus! 2 in 1 Cleaner & Sealer for Granite, Marble, Travertine, Limestone
  10. Stone Care International Granite Sealer and Protector

1. Rocklinite Labs Tuff Duck Granite, Grout, and Marble Sealer

Best Sealer for Granite, Marble, and Grout

Rocklinite Labs Tuff Duck Granite

A bright and bold cartoon duck is a sure-fire way to attract attention to this product. Although it might look like a gimmick, Rocklinite Labs’ Tuff Duck Granite, Grout, and Marble Sealer are so much more.

In comparison with other brands, this product claims to contain twice the amount of active ingredients. It is non-toxic and water-based. This preserves the natural appearance of granite and other hard surfaces that are porous.

A one-quart bottle of this granite sealer covers an area of around 300 square feet. You only need to coat your granite and grout with one coat if you want to protect them completely. You can expect them to last between three and five years once they’ve been coated.

Sealant ensures that water cannot penetrate the surface after it is applied. Stains are also prevented from reaching the surface once it has been sealed. This granite sealer will not permit oil to penetrate the surface.

Despite this, the product is only recommended for natural and porous stones. Other types of stones will not allow the sealer to adhere. It may also appear that the sealer thins when wet.

  • Covers up to 300 square feet.
  • Non-Acidic formula.
  • Single coat required.
  • Only suitable for natural and porous stone.

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2. Miracle Sealants 511QT6 511 Impregnator Penetrating Sealer

Most Durable Granite Sealer

Miracle Sealants 511QT6 511

We’re going to look at one of the most durable granite sealants. Miracle Sealant’s 511QT6 511 Impregnator Penetrating Sealer (QT6) guarantees twenty years of protection for granite. Designed to penetrate deeply into stone surfaces, it prevents water and other liquids from accumulating.

This model is suitable for use both indoors and outdoors. The granite it covers is up to a thousand feet long. It is also safe to use on food preparation surfaces like granite countertops because the formula is non-toxic.

A barrier is created once the product is dry. This material is water- and oil-resistant. We are so confident that it will last that we offer a twenty-year warranty.

You can also use this product on a variety of other surfaces in addition to granite. Some of those include natural stone, ceramic tiles, and slate. The product may not be as effective for grout applications, so extra care must be taken.

This product has a somewhat strong smell when first opened. The smell dissipates quite quickly, but it may not be pleasant at first. Make sure that the room is well ventilated if you are going to use this product indoors.

It’s important to take extra precautions when applying this product. The result would likely be discoloration or smudging if applied incorrectly. Nonetheless, you are covered for twenty years, so ensure your choice is the right one.

  • Suitable for use around food prep areas.
  • Oil and water resistant.
  • Easy to use.
  • Strong initial odor.

3. TriNova Granite Sealer & Protector

Ultimate Granite Sealer and Protector

TriNova Granite Sealer & Protector

If you want to preserve granite surfaces, simply sealing them isn’t enough. It is vital that you protect your granite from damage in the future as well. Keeping your granite surfaces clean will help to ensure their durability.

TriNova Granite Sealer & Protector meet the challenge successfully. This product is dispensed in an easy-to-use spray bottle. Its unique design allows you to direct the product to the precise area you wish to seal and protect.

Granite pores allow the product to penetrate deeply into the surface. This ensures that the joints will be completely sealed. It also forms a layer that prevents water and oil from penetrating the granite.

Although the spray bottle is the most convenient way to apply the product, you can also use a damp cloth. Adding the protective layer to your product will produce a high shine. The protective layer is non-stick once it dries, ensuring your granite will be easy to keep clean.

A clear surface will be obtained by buffering the granite sealer after application. However, you will discover that this is a very simple and quick process. With this product, a fully protective surface is created that will help extend granite’s life.

  • Suitable for use on grout.
  • Creates a protective layer.
  • Suitable for food preparation surfaces.
  • Needs buffering after application.

4. Supreme Surface Granite, Quartz & Marble Cleaner Polish and Sealer

Best Indoor and Outdoor Granite Sealer

Supreme Surface Granite

Before using a sealer on dull or discolored granite surfaces, you’ll need to clean them. The process can be tricky and take quite a while. Due to the design of the Supreme Surface Granite, Quartz & Marble Cleaner Polish, and Sealer, this becomes almost effortless.

Sealing your granite with this special sealer will improve the vibrancy of its color. This sealer also works to smooth the granite. This sealer then completely seals the granite.

You can purchase this product in the form of a spray can. This product comes with a soft cleaning cloth as well. The product can be spray-applied to the desired surface and then wiped clean with a cloth before reapplying.

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UV protection is included in this product, along with moisture protection. It is, therefore, suitable for use on outdoor granite surfaces. Additionally, it can be used on marble and quartz surfaces as well.

Even though this product is extremely strong, it does not smell strongly chemical. The satisfaction factor when you use it is increased by this. Due to its pH neutrality, the soap is both non-abrasive and biodegradable.

Full protection is likely to be best achieved by applying several coats. Applying this product is easy and quick. The topcoats dry within a few minutes, making reapplication a snap.

  • Protects against UV fading.
  • Lowers the rate of absorption.
  • No unpleasant odors.
  • Cannot remove or reverse hard water spots.
  • May require several coats.

5. Granite Gold Sealer Spray

Best Non-Toxic Sealer for Food Preparation Surfaces

Stone Care International Granite

Although many granite sealers are effective, they often contain harsh chemicals. In addition to having an unpleasant smell, these cleaners are not recommended for use on food preparation surfaces. You don’t have to worry about this when you choose Granite Gold Sealer Spray.

Despite its non-toxic, non-acidic, and biodegradable nature. This means it can be applied to any surface. Bathrooms, kitchens, and just about anywhere else can all benefit from this product.

This water-based formula does not release unpleasant odors during use. The lack of acid in the formula means that you won’t have to worry about discoloration. The great thing about this product is that you can use it on virtually any type of stone surface.

With regards to ease of use, this is probably the best granite sealer available. Simply mist the product onto the desired area and let it dry. Once it’s dried, you can apply another coat after twenty minutes. When fully dried, this product forms a hard surface that inhibits water from penetrating the granite.

Nevertheless, all of this convenience comes at the cost of convenience. Granite Gold Sealer Spray will only last you about a year. It is also possible that you will have to apply several coats of sealer in order to fully protect granite.

  • Dries in just twenty minutes.
  • Free from toxic odors.
  • Hard and durable finish.
  • Only lasts one year.

6. Black Diamond Stoneworks Granite Sealer

Best Quick Granite Sealer

Black Diamond Stoneworks Granite Sealer

You can feel confident that the process will be straightforward with the Black Diamond Stoneworks Granite Sealer. This product comes in a simple spray bottle. Using a spray bottle makes applying the granite sealer convenient and fast.

After applying this product, a hard finish will be left behind. These are designed to resist scratches and scuffs. In addition, they are non-corrosive and non-toxic.

You can also make granite surfaces particularly easy to clean by doing this. It now has a hard surface that can be cleaned with a damp cloth. You will save yourself a great deal of time and trouble in the long run.

This is not an issue when using this granite sealer. The water-based formulation does not contain harsh chemicals. There is a lemon scent infused into this high-quality granite sealer.

This granite sealant can therefore be used on kitchen counters as well as bathroom surfaces. Because the formula penetrates deeply into the granite, it provides greater resistance to stains. No matter how frequently the surface gets wet, the water will be held back.

The appearance of the product when dry is slightly cloudy. Consequently, it may damage surfaces such as granite countertops. If you prefer, you can switch it out for another option after four months if you prefer.

  • Convenient spray bottle.
  • Safe for food surfaces.
  • Not corrosive or toxic.
  • Only lasts around four months.
  • Dries slightly cloudy.

7. Aqua Mix Sealer’s Choice Gold

Best Sealer for Natural-Looking Granite

Aqua Mix Sealer’s Choice Gold

For a large surface, you are not going to want to play with small containers. Find a product that is sufficient for your project. The Aqua Mix Sealer’s Choice Gold liquid is available in 32-ounce bottles.

This bottle is made from heavy-duty plastic, and its handle is made of wood. Because it is so light, it is easy to transport. You can apply the granite sealer by rubbing it over the granite surface with a cloth.

Granite sealers such as Aqua Mix Sealer’s Choice Gold feature a water-based formula that penetrates deep into the granite. Granite is not only protected from moisture but also maintained in its natural state. This helps to keep your granite surfaces looking fresh for many years to come.

Those who love the natural look of granite will find this product appealing. This product helps keep granite free of mold and mildew. Because the formula is non-toxic, it can be used on your kitchen countertops.

For best results, you will probably need to apply a few coats of this product. Ensure that each coat is completely dry before applying the next. Because of this, the task may take up to four hours to complete.

The protection you receive lasts around fifteen years. So it is well worth spending a little more time getting it right. The payoff for this product will be impressive with proper care.

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  • Mold and mildew resistant.
  • Safe for food surfaces.
  • Ideal for multiple surfaces.
  • Takes up to four hours to dry.

8. Tenax Granite Sealer

Best Long Lasting Granite Sealer

Tenax Granite Sealer

It’s important to consider the process if you’ve never used a granite sealer before. You don’t want to ruin your beautiful granite countertop by making a mess. When you use the Tenax Granite Sealer, this problem won’t arise.

Simply dab some granite sealer on a cloth and wipe it off. Your choice of cloth can include an old t-shirt. Spread the product on your granite surface and allow it to absorb.

The formula is so powerful that it should last a lifetime. The sealer will be the last one you need to use.

To seal granite, you only need to apply a single coat of sealer. This makes it a cost-efficient and time-saving solution. Furthermore, it dries in less than ten minutes.

There is a possibility that you won’t experience water resistance for 24 hours. In the bathroom, granite surfaces might be an issue if you apply the product there. Due to the initial strong odor, you will also need to make sure that you ventilate the area well.

  • Completely invisible when dry.
  • Only requires one coat.
  • Enhanced moisture resistance.
  • Takes up to 24 hours to be effective.

9. Granite Plus! 2 in 1 Cleaner & Sealer for Granite, Marble, Travertine, Limestone

Best Granite Cleaner and Sealer

Granite Plus! 2 in 1

Simply sealing dirty granite surfaces will not solve the problem. Granite surfaces cannot be cleaned once they are sealed, as the dirt will be sealed in. Thanks to Granite Plus! The two-in-one cleaner and sealer can be used on granite, marble, travertine, and limestone.

Granite and other types of surfaces can be cleaned without streaks with this product. It goes on dry and leaves surfaces looking gleaming. As well as sealing the surface, it prevents stains from sticking.

We’ve got Granite Plus! Obtaining a perfect seal for Granite, Marble, Travertine, Limestone is very easy with this 2 in 1 cleaner and sealer. A spray bottle can be used to spray it onto the granite counter. Even though the spray bottle is sold separately, it can be found easily.

You can use this product rather than a regular counter cleaner because it is so effective. Each time you need to clean your countertop, you can spray this product over the dirty area. The product will provide extra protection while it’s being cleaned.

Despite its ability to remove surface dirt, this product is not strong enough to remove soap scum. Older bathrooms may not be suitable for this product. This product needs to be reapplied every two months for the best results.

  • Safe for food contact.
  • Cleans as well as seals.
  • Infused with a pleasant smell.
  • Cannot remove soap scum.

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10. Stone Care International Granite Sealer and Protector

Best Easy to Use Granite Sealer

Stone Care International Granite

The spray bottle makes this granite sealer an easy application. Stone Care International Granite Sealer and Protector is enough for a maximum of 72 square feet of granite. The product works well on granite surfaces like kitchen countertops.

Deeply penetrating granite sealer penetrates stone pores to provide complete protection. It shields both water and stones from your surfaces. Furthermore, the granite is able to breathe and release moisture vapors.

If you allow the granite to dry, you’ll notice that it will have a beautiful shine. Consequently, cleaning in the future will be easier and more convenient.

Ingredients in this product are not toxic. This formula does not contain phosphates or ammonia. Hence, it is safe for use on kitchen counters.

Using this product causes rather unpleasant fumes to be released. It is therefore important that you ensure that the area is well-ventilated. Furthermore, you should allow the product to dry and take effect for at least 24 hours.

The best results come from thoroughly cleaning granite surfaces. Be sure to let it dry completely after cleaning. Use a microfiber cloth and work at room temperature when applying the product.

It is possible that you will need to apply multiple coats to achieve full protection. The first coat should be allowed to dry for five minutes before the second coat is applied.

  • Ammonia and phosphate free.
  • Easy to apply.
  • Safe for use on food surfaces.
  • Slightly acrid fumes.


Best Granite Sealer Guide

Don’t assume all granite sealers are created equal. Variations can occur in the strength, active ingredients, and even quantity of the product. There are some factors to consider when choosing the right granite sealer.

Ease of Use

Your product choice must be easy to apply and as quick as possible. Products that can be sprayed are ideal. Using these products is as simple as spraying them onto the desired product and letting them work.

The Number of Coats

Best Granite Sealer Coats

A longer process will ensue if you need to apply for more coats. A number of coats will elevate the cost of the product as well. Products that work with just one coat are quicker and more cost-effective.


It is important to avoid breathing in toxic chemicals while applying granite sealer. There are a number of organic and water-based products available today. Their chemical-free formulas are gentle on the environment and on your lungs.

Food Safe

When installing granite countertops, it’s important to ensure that they are food-safe. The countertop will not leach chemicals when your food touches it.

The Odor

There are some granite sealers that have a strong and somewhat acrid aroma. It is therefore important to ensure the area where you apply them is well-ventilated. Nevertheless, there are products available that are odorless and even have pleasant scents.

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Drying Time

Best Granite Sealer Safe

Drying certain products may take up to 24 hours. Granite countertops can be impacted by this if you are planning to use them later in the day. A few products dry quickly and provide complete protection within a few hours.


The last thing to consider is the length of time the product you choose will protect your granite. You may need to reapply for some products every couple of months. There are other products that provide long-lasting protection.

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So, which is the Best Granite Sealer?

There is no doubt that you will want a granite sealer that is easy to use when choosing the best one. Additionally, you will want your treatments to have a long-lasting effect. The spray has a convenient spray bottle…

TriNova Granite Sealer & Protector

It really checks all the boxes.

There are no harmful toxins or unpleasant odors in this product. A coat can be applied quickly and conveniently to granite surfaces. Upon hardening, it provides a smooth surface that you can eat from for about 30 minutes.

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