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Best Concrete Countertop Sealers 2021 – Reviews

concrete-countertop-surface Waking up every day to see the beauty of your concrete floor is something we all crave. Concrete floors are not only healthy-looking, but also provide the home with a classy look. You do not want to spend lots of money on your concrete floor only to start seeing the countertop damaged. A countertop sealer is a perfect way to keep your countertop from damaging. The sealer ensures it continues looking good and new as though you just made it. Many sealers will also make the countertop look beautiful and healthy, which is amazing and perfect for your home or office.

However, to get all the beauty that a sealer has to offer, it is essential that you make informed choices. You need to select the best sealers that will be effective and have no adverse reaction to your concrete. This can be a tricky thing to do, especially if you don’t have the requisite knowledge of sealers. To help you make the best choices when it comes to your sealers, we have identified the best concrete countertop sealers in the market. Any of these countertop sealers can serve your countertop needs.

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Best Concrete Countertop Sealers in September, 2021

 SealerCovers (quart) 
1 Tuff Duck
Editor's Choice
60-75 sq ft Check Price
2Miracle Sealants 500 - 1000 sq ft Check Price
3Black Diamondup to 75 sq ft per aps. Check Price
4Z SiAcryl300 sq ft Check Price
5DRY-TREAT300 sq ft Check Price

1. Tuff Duck Concrete Countertop Sealer – Best Sealer Both for Outdoor and Indoor Concrete Countertop

If you want to protect your countertop surface at an affordable rate, this product might be right for you. It offers impressive results that last for long. It also ensures that your countertop is not only protected but also kept in good condition. With this product, you can enjoy your concrete countertop in the same way it appeared when you got it.

Highly Durable

This product not only offers excellent results but also ensures the results are durable. It takes a long time with its high durability level before you feel the need to re-apply it. It comprises a deft mix of the best components for a sealer, and this makes it offer lasting effects that your countertop in perfect shape.

It penetrates quickly and penetrates deeply into your concrete. Following the penetration, it leaves a durable shell on the surface, making the countertop strong and resistant.

Comprehensive Application

This product offers a comprehensive application process, which covers all you need to seal your countertop. It comes with a detailed instruction laying out all you need to know about the process. With this, you do not miss out on any detail, and you can get the best of it.

Safety

This product is safe for food surfaces. Also, it is not toxic, which makes it compatible with your concrete surface without reacting negatively. As such, it offers excellent services, but with safe components that do not compromise your health.

Pros
  • It delivers effective and long-lasting results.
  • It is manufactured explicitly for countertops.
  • It is highly durable and penetrates deep into the concrete.
Cons
  • It doesn’t have wide coverage.
  • Its application process requires details and carefulness.
  • Users say it may not work as effectively.

2. Miracle Sealants 511 Porous Plus Penetrating Sealer – Best Concrete Countertop Sealer for Bathroom

Many homeowners like products that can cover a wide range of surfaces at a go. This makes for reduced effort and ensures that they can conserve their sealers for some other time. If you are a homeowner that falls in this category, this Miracle Penetrating Sealer works perfectly for that purpose. It delivers great results without messing up your concrete countertop.

Highly Resistant

This product works to make your countertop resistant to oil and water, ensuring that the countertop remains shiny for a long time. It creates an invisible barrier for protection, which doubles up the level of protection your concrete countertop has against debris and spillages.

If you want a product that will strengthen and help maintain your countertop, this is a great pick. Its highly resistant feature makes it perfect for your use.

Superior Coverage

This product boasts of one of the most superior coverages you will get from products in the market. Covering up to 500 square feet per unit, this product offers impressive results on your countertop. You can cover wider surfaces and hasten up the application process. This also helps to reduce the amount of time you spend applying the product to your countertop surface.

Why This Miracle Penetrating Sealer

Asides from its impressive coverage, this product is easy to apply and doesn’t leave your countertop with a yellow color, unlike some other products. All you need to do is pour and wipe, and you are good to go. Its application process is seamless.

It is also safe for areas where you place food. If you have specific areas on your concrete surface where you handle food, you can use this product there. It will perform its sealing duties without posing any health risk.

It also covers a variety of surfaces both indoors and outdoors. Therefore, if you have certain surfaces in your home that are not concrete but need sealing, this product will work. Such surfaces include grout, sandstone, terra cotta, and so on.

Pros
  • It doesn’t leave your concrete with a yellow spot
  • It has a seamless process, which hastens up the time you spend while applying
  • It is versatile and works on a variety of surfaces
  • It makes your countertop highly resistant without losing its glow
  • It is safe for food surfaces
Cons
  • Users say it is expensive
  • It may take numerous coats
  • Users say the protection period is not as long as it is written on the product

3. Black Diamond Stoneworks GRANITE SEALER – Ease and Convenience

Excellent for its lasting effects, this Black Diamond Stoneworks Granite Sealer serves a useful purpose of sealing your countertop. Its components are formulated to deliver impressive results that will not compromise your concrete texture. If you are looking for a product that offers the true value for your money, try this product out.

Ease and Convenience

With its “spray and wipe” method, this product is one of the best products with the easiest ways to apply. It takes little effort and requires no particular method for application. All you need to do is spray and wipe off with soft linen.

For people who want the easiest route to sealing their concrete countertop, this product affords the best opportunity.

Safety

The best sealers are the sealers that do not cause adverse reactions when you apply them. This product is such a sealer. It is neither toxic nor corrosive, which makes it perfect for your sealing service. It doesn’t cause any such complication that may damage the surface of your concrete.

The product is designed and tested by stone care professionals. They guarantee some of the best products in the market.

Low Odor

If you are looking for a concrete countertop product with low odor, this is a great pick. With a low level of odor, this product doesn’t disturb you while applying it and takes away any form of health risks you otherwise may risk.

Pros
  • It doesn’t damage the surface of your concrete.
  • It is easy to use and offers excellent results regardless.
  • It makes your concrete countertop resistant to all forms of food or beverage contact.
  • It has a low odor, which makes for a seamless experience while applying it.
Cons
  • The product might leave a cloudy coating.
  • Users say it may take longer hours than is specified on the product.
  • Users say it may also take several coats before you achieve the desired results.

4. Z SiAcryl 14 Water-Based, Very Natural, Low-Luster Finish Concrete Sealer – Best Countertop Sealer For Resistance

This product is one that offers great coverage yet ultra-high performance. It not only covers a wide area while applying but also works effectively across these areas. If you desire a product that penetrates easily and offers great results, this water-based very natural concrete sealer is a perfect pick.

Highly Resistant

This product offers your countertop excellent resistance that makes it strong enough to prevent food and beverage products. When something spills on your concrete floor, this product ensures the floor repels it. By so doing, it keeps your countertop in good condition and helps it to retain its beauty and shining abilities.

With its components formulated for concrete use, this product delivers results without causing further complications to your concrete countertop.

Sufficient Coverage

Covering up to 300 square feet at 2 coats, this product produces results that spread fast across your concrete surface. This reduces the level of effort it requires while still delivering long-lasting effects.

The product is also safe for outdoor use. Therefore, if you have a concrete floor outside your home that you will like to seal, this is great product to execute the job. This further speaks to its wide coverage of multiple surfaces.

Very Natural

Unlike products with traditional heavy coatings, this product is highly natural. For persons who prefer natural products, this is something they can look into. It has a low-luster finish with minimal darkening, which makes for a more natural look on your concrete countertop.

Pros
  • It performs effectively and delivers efficient results.
  • It is highly natural and offers your countertop a look that looks natural, as its original nature.
  • It makes your countertop resistant to food, beverages, and liquid.
  • It is applicable both indoors and outdoors, and it’s 100% safe for your countertop.
Cons
  • If you have tapes on your countertop surface, this product causes a negative reaction that may leave spots.
  • Users say it may take numerous applications before it works.

5. DRY-TREAT Stain-Proof Premium Impregnating Sealer – Exceptional Bonding Ability

If you are looking for a concrete countertop sealer with long-lasting effects, you may want to check out this DRY-TREAT Stain-Proof Premium Impregnating Sealer. It delivers excellent results and offers premium protection to your countertop such that you can enjoy your concrete floor for an extended period of time. This is a product that stands to give you the true value of your money.

Exceptional Bonding Ability

This product is excellent for its high bonding ability. This improves the level of protection it offers and ensures that it lasts for long. It penetrates deep to protect the countertop, thereby creating strong effects. If you desire a sealer product that doesn’t just protect your countertop but also protects against stains and water spots, this product is a perfect pick.

Breathable

This product comprises a formula that makes for the escape of water vapor. By allowing water vapor to escape, the product prevents the build-up of harmful moisture and ensures your home atmosphere is safe for breathing. No one wants to have to bother about health complications arising from the use of a countertop sealer. This product is one that prevents such from happening.

Why DRY-TREAT Stain-Proof Premium Impregnating Sealer

This product offers air-tight protection for your concrete countertop. Unlike some other products you will find in the market, it comes with reinforced protection, which makes it a super strong product.

Also, it works well for multiple surfaces. If you have certain surfaces in your home or office that aren’t concrete floors, this product will work on them regardless. This feature makes for its improved versatility. As such, its results are not only great, but also spread across different surfaces.

Pros
  • It is breathable and safe for your home, thereby not putting you at health risks.
  • It has reinforced protection, which makes it super strong.
  • It is convenient to use and takes little effort to apply.
  • You can get great results from a single coat.
  • It makes your concrete resistant to oil, water, and other liquid material.
Cons
  • It may be resistant to water but not so much with oil.
  • You may need more than a single coat to get effective results.

What is a concrete countertop sealer?

A concrete countertop sealer is a protective coating that is applied to your concrete countertops to make them more durable and easier to clean. Sealers come in liquid, gel, or powder varieties and are usually made from silicate materials like sand, copper, or aluminum. A sealer will also help maintain your concrete’s natural color while protecting it from stains caused by the everyday use of hot or acidic foods. Concrete sealers are made of many different chemicals, so it is very important that you do your research beforehand to make sure the sealer is right for your needs.

Why you need to seal your concrete countertops

Because concrete countertops are made of natural stones like quartz and marble, they can be easily stained if they come in contact with certain products such as acidic foods or alcohol. A good concrete countertop sealer will prevent stains from occurring, while also protecting your surfaces from everyday wear and tear. If you don’t use a sealer on your concretes after installation, the porous surface can absorb more dirt and grime than regular countertops because there’s nothing blocking them from the elements!

By sealing your countertops you protect them from water damage and also help maintain their vibrancy for years to come. Sealing is a critical step in achieving professional results so make sure not to skip it!

The liquid sealer that is applied sits on top of the concrete countertop (hence why you want to give yourself proper drying time). When applied properly to polished concrete, this coating creates a reflective surface that helps maintains the luster of your counters. This process can be repeated many times and does not leave any residue behind.

Concrete countertop care and maintenance

There are a few things you can do to keep your concrete countertops looking good and lasting for many years. First of all, clean your concrete countertops every day with an all-purpose cleaner. Concrete countertops can be stained by fruit juice, coffee, or even cosmetics like lipstick and nail polish remover. Spray the surface of the concrete clean and wipe it off with paper towels or a rag that has been dampened in water (never use paper towels or rags that have dried cleaning products on them). If you want to protect your concrete from stains you can get sealers at home improvement stores. Some people also find it helpful to put placemats under their cups when they are eating, to catch any spills before they reach the concrete surface.

You should be careful not to drop things onto your concrete countertops because they will leave dents that are difficult if not impossible to remove without replacing countertops.

Wet look of concrete sealer

Wet look of concrete sealer? We say it in a strange way, but the concrete after applying a special sealer can really have a wet appearance. Can you imagine this kind of concrete flooring? It’s amazing!

The water look effect is achieved by using a special sealer that creates small glass beads when applied onto cement surfaces. These tiny bubbles cling onto cement surfaces like air pockets & catch sunlight reflection creating the wet look texture. Depending on how deep these bubbles are, the color of concrete may slightly appear different.

The characteristics of wet look sealer are:

Ideal for both interior and exterior applications on plain concrete, acid-stained concrete & exposed aggregate surfaces. The color depends on the cement used to create surface texture. If you apply the sealer onto colored or stained concrete; the results will be unpredictable as it affects the depth of color penetration. Do not apply wet look sealer onto polished floors, highly reflective floors.

Concrete sealers and food safety

Yes. Concrete sealers are food-safe when cured. All manufacturers currently selling concrete sealers, recommend that you wait at least 7 days for the product to fully cure before applying food and preparing or eating foods in the area where it was applied.

Sealers can be used in kitchens as long as it is dry and doesn’t have any liquid on its surface. If your kitchen floor isn’t sealed, then simply wash off dirt after each use with a damp mop until you’re ready to seal it with a concrete protective coating.

Concrete countertop sealers for outdoors

No product can claim to be a ‘concrete countertop sealer for outdoors’ without having been tested and proven in the most extreme outdoor environments. Exterior concrete sealer must be able to stand against harsh and challenging environments like the beach, and areas that are regularly exposed to salt water spray. A good concrete sealer for outdoors is a product that imparts very long-lasting protection against water, sun, dirt, and other elements without leaving any residue behind (but not necessarily an invisible one). It should also not be prone to peeling off as this will only expose your original concrete surface to more damage in the future.

When it comes to the best sealers for the exterior application they basically fall into two categories: penetrating or non-penetrating sealers. This refers mostly to how well the products diffuse into your concrete surface and their ability to bond with it.

Frequently Asked Questions

How often do concrete countertops need to be sealed?

Depending on location, you should check your countertop every year and apply sealer if it is damaged or begins to show wear. In glossy or polished concrete counters, checking for scratches and wear is a good idea more frequently as polish can be worn away quickly with frequent use of metal utensils or heavy pots and pans. Cracks that are beginning to form may also need attention before they spread into larger cracks.

Regular sealing also helps level out the shine and prevents a buildup of an oily residue that can become difficult to remove.

How many coats of sealer do I need for concrete countertops?

There are two factors that determine how many coats of sealer you will need and also the method used to apply it. The first is how much porousness exists in your concrete itself. The second is how natural you want things to look. If your concrete has lots of pores and high porosity, then more coats will be needed as each coat seals a fraction of what normal concrete does. Thus if you have a 5% porosity or so, you could conceivably have to use three or four thin coats whereas if it’s 20%, only one coat might be needed. This same rule applies if you want really glossy enamel-like finishes as opposed to semi-gloss or satin matte finishes where fewer layers may indeed be required again.

Can you use polyurethane to seal concrete countertops?

No. Polyurethane is a surface coating used on wood to fill imperfections and give the appearance of fine furniture. It is not designed for use on concrete, masonry or stone surfaces. Instead, consider using an epoxy-based sealant designed for exterior cement substrates.

Because polyurethane is not chemically compatible with concrete, it will delaminate and come off the concrete surface within a year or two.

How long does concrete sealer last?

Concrete sealer lasts for years, but there is no concrete sealer that will last indefinitely. As it’s made of water-soluble material and not bound together as concrete, it can dissolve if exposed to a lot of moisture. However, a normal amount of moisture won’t damage the sealer that you laid down on your flooring or any other surface. You do need to treat the sealed area regularly so moisture doesn’t get in between its cracks and lead to the growth of mold spores and mildew which could mar the look of your floors over time.

Does sealer darken concrete?

Concrete sealer darkens as it ages, but how much and how fast depends on the type of product used. A penetrating sealer is designed to soak into porous concrete and resist water penetration, thus extending the life of the concrete for several more years. Because it doesn’t treat surface blemishes, a penetrating sealer won’t change the appearance of stained or discolored surfaces. An overlay curing compound (OCC) partially penetrates surfaces to reduce staining over time. An OCC also contains ingredients that resist spalling and promote better adhesion for subsequent overlays. Since these products don’t completely penetrate surfaces, they may lighten areas with surface stains, moss or mold by creating a new surface barrier between them.

How do you clean concrete countertops before sealing?

You just clean them of loose stuff and then seal them, the way you would any other surface. They should be dry before sealing.

Conclusion

If you need to choose the best concrete countertop sealer, any of the above will do. These are some of the best sealers in the market. They comprise the top components used for sealer, which make them effective and deliver results swiftly. They are also safe for use and do not compromise the texture of your concrete. All of these best sealers work to leave your concrete countertop in good condition.

As a homeowner or office owner, if you need the best sealer that will require very little effort, you can go for the ones with the “spray and wipe” method of application.

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