Best Marble Sealer Review with Buying Guide (Top 5 Picks)

Attention to detail is super important when building and decorating your home. But it’s even more critical when it comes to protecting all that effort.

What would be the point of picking out the nicest marble, stone, or granite tiles if they stain easily or are damaged by water? That is where a product like a marble sealer can come in super handy.

Of course, trying to select the perfect type or brand can be difficult, which is where the article below can help. And if you are unsure about which would be the best marble sealer for your home or workspace, then read on to see some great recommendations.

5 Best Marble Sealer Review

Preview
Best Overall
Tuff Duck Granite, Grout and Marble Sealer 1 Quart Stone Tile
The Runner-up
Tenax Granite Sealer, Marble Sealer, Stone Sealer & Concrete Sealer - Variety 4 Piece Mini Sample Set
Best Value
Miracle Sealants 511QT6 511 Impregnator Penetrating Sealers, Quart
Best Sealer for Carrara Marble
StoneTech BulletProof Sealer, 1-Quart (.946L)
Other Consideration
Aqua Mix Sealer's Choice Gold Quart, 32 Ounce
Title
Tuff Duck Granite, Grout and Marble Sealer 1 Quart Stone Tile
Tenax Granite Sealer, Marble Sealer, Stone Sealer & Concrete Sealer - Variety 4 Piece Mini Sample Set
Miracle Sealants 511QT6 511 Impregnator Penetrating Sealers, Quart
StoneTech BulletProof Sealer, 1-Quart (.946L)
Aqua Mix Sealer's Choice Gold Quart, 32 Ounce
Editor's Rating
4.8/5
4.8/5
4.7/5
4.6/5
4.6/5
Prime Status
-
-
Best Overall
Preview
Tuff Duck Granite, Grout and Marble Sealer 1 Quart Stone Tile
Title
Tuff Duck Granite, Grout and Marble Sealer 1 Quart Stone Tile
Editor's Rating
4.8/5
Prime Status
The Runner-up
Preview
Tenax Granite Sealer, Marble Sealer, Stone Sealer & Concrete Sealer - Variety 4 Piece Mini Sample Set
Title
Tenax Granite Sealer, Marble Sealer, Stone Sealer & Concrete Sealer - Variety 4 Piece Mini Sample Set
Editor's Rating
4.8/5
Prime Status
-
Best Value
Preview
Miracle Sealants 511QT6 511 Impregnator Penetrating Sealers, Quart
Title
Miracle Sealants 511QT6 511 Impregnator Penetrating Sealers, Quart
Editor's Rating
4.7/5
Prime Status
-
Best Sealer for Carrara Marble
Preview
StoneTech BulletProof Sealer, 1-Quart (.946L)
Title
StoneTech BulletProof Sealer, 1-Quart (.946L)
Editor's Rating
4.6/5
Prime Status
Other Consideration
Preview
Aqua Mix Sealer's Choice Gold Quart, 32 Ounce
Title
Aqua Mix Sealer's Choice Gold Quart, 32 Ounce
Editor's Rating
4.6/5
Prime Status

Let us first look at some great options from the current market for marble sealers for you to pick from.

#1. Rocklinite Labs Tuff Duck Marble Sealer Review

Tuff Duck Granite, Grout and Marble Sealer 1 Quart Stone Tile
303 Reviews
Tuff Duck Granite, Grout and Marble Sealer 1 Quart Stone Tile
  • Maximum protection for Granite, Grout, Marble, Travertine, Limestone, Slate, and even Concrete!
  • Penetrating sealer will not affect the natural appearance of your delicate stone tile
  • Twice the active ingredient as StoneTech to ensure proper protection with a single coat
  • Protects up to 5 years on interior surfaces and 3 years on exterior surfaces
  • Non-Acidic formula provides coverage for up to 200 square feet

Pros

  • Usable on many surfaces besides just marble.
  • Can be used on the delicate stone without damaging pattern or appearance.
  • Covers over 150 square feet with just a single quart.
  • Good for use on both interior and exterior marble surfaces.

Cons

  • Some surfaces may need annual reapplication to ensure proper durability.

We are kicking it off with the Tuff Duck Sealer by Rocklinite Labs, which can be used on a number of surfaces, including marble, granite, and grout. It also offers maximum protection when applied on limestone, slate, and even more porous surfaces like concrete.

When used on more delicate looking or intricate tiles (such as ones made of stone), this sealer penetrates the surface but does not ruin the tiles’ appearance.

Because of the higher quantity of an active ingredient being in this formula, the sealer protects surfaces well enough with just the first coat. Though, of course, two coats or more is recommended for general durability.

The sealer does not contain any acids, so it will not dissolve natural tiles or their detailing. This is also due to it being a water-based formula. And you can easily cover upwards of 150 sq. ft. with a single quart bottle of this.

Coming to longevity, when applied on exterior surfaces, the sealer can last for three years before starting to wear off. But it holds up really well for about five years on interior surfaces due to lack of interference from the elements.

Although, if you really want it to last, you might want to do a coating every year before it has a chance to start wearing out.

Verdict: A fabulous marble sealer that could work on many other surfaces and protect perfectly. Try it out for yourself!

#2. Tenax Marble, Granite, Stone, and Concrete Sealer Review

Tenax Granite Sealer, Marble Sealer, Stone Sealer & Concrete Sealer - Variety 4 Piece Mini Sample Set
2 Reviews
Tenax Granite Sealer, Marble Sealer, Stone Sealer & Concrete Sealer - Variety 4 Piece Mini Sample Set
  • 4 Pc Mini Sample Set 1/4 Liter Tenax Ager, 1/4 Liter Tenax Hydrex, 1/4 Liter Tenax Proseal, 1/4 Liter Tenax Quartz Toner Plus
  • TENAX AGER - Color Enhancing Sealer
  • TENAX HYDREX - Impregnating Sealer
  • TENAX PROSEAL - Longer Lasting Pro Sealer
  • TENAX QUARTZ TONER PLUS - Quartz & ES Stone Sealer

Pros

  • A great option for those who cannot decide which type of sealant to get.
  • Perfect if you only have a small area of marble to seal.
  • Includes both shiny and natural-looking finishes of sealer in one set.
  • Protect marble from external elements such as water, oils, friction, etc.

Cons

  • Only good to buy if you are looking to sample different sealers.

Tenax’s 4-piece sampler set of sealers for marble, stone, granite, and concrete is a great one to have at hand because each container has 250 ml of sealer, which you can apply to different sections of your marble to see which one looks best.

It will also be great for someone who does not have any experience working with marble sealers because they can get used to the feel of using them and also figure out drying and curing times for different formulas.

The Ager sealer is used for enhancing the natural color of the stone or marble. It is able to make the color of the marble pop and look richer than it originally is, while also filling in any dents or scratches.

Next up, the Hydrex sealer works great when you are not looking to change the color of your marble in any way. It also will not give your marble a wet look but will help it keep its original appearance by giving it protection against the outside environment.

The Proseal sealer and Quartz toner are also similar to the first two since the former does the job of sealing the marble and protecting it from moisture, oil, and water. And the latter enhances the color of the marble and gives it a smooth and wet look.

Verdict: A great one to try for different marble surfaces and different sealer needs, or if you just want to get used to the marble sealing process.

#3. 511 Impregnator Sealer Review: Miracle Sealants 511QT6 511

Sale
Miracle Sealants 511QT6 511 Impregnator Penetrating Sealers, Quart
1,798 Reviews
Miracle Sealants 511QT6 511 Impregnator Penetrating Sealers, Quart
  • For use inside or out on a variety of surfaces including sanded grout, ceramic tile, porcelain tile, glazed tile, stucco, travertine, marble, slate, granite, terrazzo and more to protect against water, stains and slippage
  • Formula is oil and water resistant that creates an invisible barrier for protection
  • Covers up to 1,000 square feet per quart
  • Offers superior coverage, formulated to provide stain protection that is UV transparent and resists weather elements
  • Easy application and will not yellow, safe to use around food prep areas

Pros

  • Comes in a number of size and quantity options.
  • Penetrates the marble’s surface to ensure solid protection.
  • One quart can cover and seal about 1000 square feet of material.
  • Perfectly safe to apply on areas used for food consumption.

Cons

  • Coverage capacity may be less if your marble is especially rough or porous.

This is the 511 Impregnator Sealer from Miracle Sealants, and as the name suggests, it is able to penetrate the surface of the marble to protect it from water and oil.

The sealer appears invisible and does not alter the marble’s natural look but gives it superior protection. Depending on how much sealer you need, you can buy quart/s, gallon/s, or pint/s.

This sealer is great for use on stucco, grout, ceramic, porcelain, granite, slate, etc. It is able to protect all these surfaces from moisture, stains, and slipping. With just one quart of this, you can seal up to 1000 square feet of marble.

Also, this sealer is food safe, which means that you can apply it to your marble kitchen counter and cut food on it with no worries. It does not get yellow over time, nor does it change the marble’s color or appearance that it is applied on.

The sealer can be used on both interior and exterior marble surfaces since it protects so well against weather damage. It can also make the marble less slippery, so it’s perfect to seal floors with.

Verdict: You only need a little of this penetrating and protective sealer to cover your marble flooring or for many other types of surfaces.

#4. Best Sealer for Carrara Marble: StoneTech Bulletproof Sealer

Sale
StoneTech BulletProof Sealer, 1-Quart (.946L)
734 Reviews
StoneTech BulletProof Sealer, 1-Quart (.946L)
  • Unique, extra strength stain protector for interior porous natural stone and grout
  • Delivers maximum protection for natural stones
  • Provides coverage for up to 100 square feet
  • Formulated with advanced, water based fluoropolymers
  • Protects up to 5 years on interior surfaces

Pros

  • Can last up to 5 years when applied on interior marble surfaces.
  • Only a small amount is needed to build a perfectly protective layer.
  • Great for use on granite, slate, masonry, limestone, grout, and more.
  • Keeps a material’s real appearance without giving it a sheen of any sort.

Cons

  • Comes in a limited number of quantity/size options.

This marble sealer from StoneTech is the perfect option for natural, porous stone, and marble because it helps resist moisture and protects the surfaces from stainage.

The water-based formula means that it protects marble without altering its natural look. It also does not make marble reflective, which is preferred for marble surfaces with a rustic appearance.

A single quart of this can seal 100 square feet of marble, but you can definitely make it go a much longer way because less is truly more with this sealant. When applied on interior surfaces, this can last for up to 5 years without reapplication or showing signs of wear.

However, it would be safer to reapply the sealer at least every year or two, especially if the marble surface is used regularly (such as a countertop or shower marble).

Besides marble, this sealer can also be used on slate, limestone, grout, masonry, granite, and travertine. It is able to protect so well because of how it penetrates the surface of the material and bonds with it, rather than just sitting on top of it as an extra layer.

Verdict: This long-lasting and frugal sealer not only works on many surfaces but comes in a number of sizes, so you can pick the one you need without any waste.

#5. Aqua Mix Sealer’s Choice Gold

Sale
Aqua Mix Sealer's Choice Gold Quart, 32 Ounce
410 Reviews
Aqua Mix Sealer's Choice Gold Quart, 32 Ounce
  • Aqua Mix Sealer's Choice Gold is a no-sheen, natural look, penetrating sealer
  • Water-Based Formula is a world-wide best seller
  • Ideal for granite, limestone, marble, slate, travertine, porcelain, saltillo, cement, and masonry
  • Designed for use in food prep and serving areas, and as a pre-grouting sealer
  • Provides stain protection and maintains the look of natural stone and porous tile

Pros

  • The thin formula is easier to work with and can be applied in even layers.
  • Keeps the marble’s natural and porous look without giving it shine.
  • Seeps into the marble surface to protect from moisture and oils.
  • Great to use on many surfaces other than just marble.

Cons

  • May need to be reapplied twice a year for regularly used areas.

This one is a penetrating sealer that does not give off a shine but definitely makes the marble resistant to the outside elements.

The formula is water-based, so it will not damage the marble when it seeps into its pores to protect it from water and oils. It is also great for use on granite, slate, limestone, porcelain, concrete, etc. This sealer can also be used before grouting and is perfectly safe to apply on marble areas used for food prep or serving.

Because of its composition, the sealer is able to form a protective layer on the marble surface without blocking its pores or affecting its natural appearance. It also protects marble from stains.

After application, you should wait at least 4 hours before touching the marble surface, but it will take over a day to fully cure and be ready for regular use. This sealer is also perfectly suited for external use.

Keep in mind that the formula is thinner than most others, so when applying on porous marble, you may need to put in a couple more layers and a bit more time for it to get perfect protection. However, this sealer’s resistance to water and oil damage will be worth that extra effort.

Verdict: The thin but durable formula of this protective sealant is easy-to-use to even the most amateur of users so that you can seal your marble at home by yourself with no worries.

Marble Sealer Buying Guide

Besides price and quantity, there are some other features you should be on the lookout for when buying a marble sealer.

Penetration of the Solution

A sealer for marble is not meant to create a flat layer on the surface with gaps underneath. Most natural surfaces like stone or marble are porous enough that they can be damaged by oils, water, etc.

So, it is essential to get a marble sealer that will layer on nicely and settle into the marble’s surface gaps. These gaps may be invisible to the naked eye, but if they are not sealed properly, they will most certainly make the marble prone to damage and wear.

This is why a marble sealer needs to penetrate the surface of the material and harden to create a proper seal.

Ease of Use

Of course, there are marble sealers on the market, which you can simply spray on without the need to get your hands too dirty. However, those will definitely not be as effective as sealers that need to be applied on.

The best marble sealant would be one that you can apply yourself using just a foam brush or a soft rag. You only need to apply one thin layer of this at a time and make sure no bubbles or puddles are forming.

It’s a relatively easy task for the results you can get, which is, the marble will stay undamaged for up to a year.

Curing Times

One thing you absolutely need when applying marble sealant is patience. While sealers typically dry within a few hours of application and can be walked on, it takes them at least 48 hours to fully cure and be ready for use.

Letting any marble sealer fully cure is essential to ensure the durability of the sealer; otherwise, there is no point in applying it in the first place if it needs to be in use again soon after.

Product Coverage

You might have just your kitchen countertops to seal, or you might have the flooring of several rooms to seal. Either way, you will need to decide on how much sealant you should buy.

This depends on the area you will need to cover and also on the strength or coating ability of the sealant. For instance, even the best sealer for marble countertops will need to be applied twice in order to be really effective because countertops are used daily and endure a lot of moisture and friction.

To cover larger areas like the floors of rooms, you will need multiple quarts of a sealer to apply at least two layers of it.

Warranty

There is no point in applying a sealer to your tiles if it will wear out in months or a year. This is why it’s essential for you to check the retailer’s or manufacturer’s warranty before buying a sealer.

While many sealants can be easy to apply, that does not mean that they should have to be layered on frequently to have the proper impact. And if you get a marble sealer with an extended warranty period and it wears out before that, at least you know that you are covered for a refund or replacement.

 Marble Sealer Types

Which type of sealer you will need can differ based on what the marble area is used for and also the type of the marble itself.

Marble Tile Sealer

From floors to bathroom walls to exterior decor, marble tiles are used for a wide number of purposes. Depending on the location and type of marble tile, a sealer should be chosen that can help it resist wear and tear due to water, oil, weights, scratches, etc.

Marble Floor Sealer

Marble, which acts as flooring, is perhaps what needs the highest level of protection. Not only does it endure dust and dirt, but it is also cleaned using some sort of soap and water at least a few times a week. This is why a sealant for marble floors is typically the most durable and protective kind.

Marble Countertop Sealer

Because of how often a countertop (especially one in the kitchen) is used and how much it is exposed to moisture, friction, and oils, marble countertops require a strong sealer that will last a long time while also being food safe.

Marble Table Sealer

Just like flooring and kitchen countertops, marble sealers for tables also need to be super resistant to friction, weight, heat, and moisture, which is why a stronger grade of marble sealer is required in order to protect them.

Natural Marble Sealer

Natural marble tends to be full of pores and cracks, making it more prone to water damage, stainage, and dissolution. This is where a sealer made specifically for natural marble can help. It will penetrate the surface and settle into the cracks to protect the marble.  

Permanent Marble Sealer

Permanent sealers for marble form a molecular level bond with the surface, which is not removable, hence permanently sealing the marble from damage by the external environment.

Marble Penetrating Sealer

Unlike sealers which create a layer on top of marble, penetrating marble sealers are great for porous surfaces because they can seep into the crack and help make the marble resistant to water, oils, scratches, etc.

Frequently Asked Questions (FAQs)

#1. What is the best marble sealer?

Answer: The best sealer for marble would depend on what type of marble you have, as it is a naturally appearing material and different kinds of marble have different levels of tolerance to damage.

Some types of marble are incredibly fragile and will need thicker coatings of sealant. But a good rule of thumb is to choose one that is water-based and has no acids, as they can easily corrode the marble.

Our recommended is Tuff Duck Granite, Grout, and Marble Sealer

#2. What do you use to seal marble?

Answer: As with many other home improvement projects, the process of sealing marble is pretty straightforward.

You need to first get the best sealant for marble that you can find (this will depend on what type of marble you have and where in your house it is fixed), and then find a foam brush or use a soft rag. Foam brushes help to apply thin and even layers of the marble sealer.

#3. Does polished marble need to be sealed?

Answer: Polished marble is not porous or absorbent. This also means that it is less prone to damage by moisture or regular use. Usually, polished marble is not sealed because of these qualities.

As it does not absorb water, it will also not absorb the sealer either, so there really is no need to use a marble sealer on polished marble surfaces.

#4. How often should you seal marble?

Answer: While you can get away with sealing your marble every couple of years or so, it is always best to seal marble annually in order to really stretch its longevity. Some natural marble types will definitely require a yearly sealing in order not to wear down.

When marble is not sealed for a long time, it becomes more prone to moisture and usage damage. Replacing marble is much costlier than sealing it annually.

#5. Can you seal marble yourself?

Answer: There are tons of marble sealers on the market designed so that anyone with little experience can use them. For most marble sealers, you only need a foam brush or soft rag to apply them.

Make sure your marble surface is clean and dry, then wipe on the sealer in thin and even layers, waiting for each coat to dry for at least 48 hours.

#6. What happens if you don’t seal marble?

Answer: Unsealed marble is prone to damage from water, oils, and general usage. Most areas made of marble are ones that are always in use, such as floors and kitchen countertops.

This means that these areas are always being exposed to moisture and friction, which can wear down the natural marble over time and ruin its appearance and usability. That is why it is so important to seal marble using a proper sealer.

#7. How often should you seal a marble shower?

Answer: Unless the marble in your shower is polished, it is essential to seal it every six months or so. This is because of how frequently the marble is exposed to water, which wears down the sealer quicker than when it is applied to other marble surfaces.

It may seem excessive, but if you want your marble shower to stay looking good as new, regular sealing is necessary.

#8. How do you keep marble shiny?

Answer: To make your marble surface look shiny, you must first ensure that it is clean. Use a mixture of two parts water and one part hydrogen peroxide and clean the marble with it.

Wipe it dry using the chamois cloth and buff it in tight circular motions to give the marble a shine. You can also wipe on a marble polish using the cloth for extra shine.

#9. How can you tell if marble is sealed?

Answer: In order to test whether your marble has been sealed or not, you can do the water test. Drop a bit of water onto the marble and wipe it up. If the marble has darkened where the water was, it means that it has absorbed the water and is therefore not sealed.

On the other hand, if the marble appears unchanged after wiping, that means it is sealed because it is water-resistant.

#10. What is the best sealer for Carrara marble?

Answer: For Carrara marble, you will need a water-based sealer so that it does not ruin the marble’s natural appearance and one that is very penetrative so that all the pores on the surface of the marble are sealed.

Carrara marble is incredibly delicate and naturally quite porous. This is why it needs to be sealed more frequently than other materials. Because of how prone to damage this marble is, it needs to be sealed at least once a year.

Final Words:

As you can tell, sealing marble is a serious and important business. Not only should you seal your marble as regularly as possible, but you should also try to find the best marble sealer, taking into consideration what type of marble you have.

The biggest reason for using marble is that it looks elegant and beautiful. But unsealed marble can be the opposite of that. A good sealer will help keep up your marble’s outstanding appearance, be it interior or exterior.

Related Resources: 
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#3. Best Concrete Countertop Sealer Reviews: Top 5 Picks.
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