Best Granite Sealer in 2021 (Reviews and Comparison)

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Chances are, your kitchen countertop is probably made of granite. If you’re anything like us, you’ve probably purchased granite countertops at some point in your life. 

But it’s almost a guarantee that sooner rather than later water starts to seep through the cracks. You need a good sealer on your granite countertops to keep them in working order. 

In this review article we’ll be reviewing the leading products on the market to determine which is the best granite sealer for countertops.

Why trust us? We review hundreds of items a year to let you know the best of the best and where your hard earned money should be best spent. Our readers have grown to trust our unbiased and honest reviews and we truly appreciate them.

COMPARISON CHART

IMAGE PRODUCT

Granite Gold Sealer Spray Water-Based Sealing to Preserve and Protect Granite, Marble, Travertine, Natural Stone Countertops - Made in the USA, 24 Ounce

Granite Gold Sealer Spray
  • ITEM FORM: SPRAY
  • SURFACE USE: COUNTERTOP
  • UNIT VOLUME: 24 OUNCE
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TriNova Granite Sealer & Protector - Best Stone Polish, Protectant & Care Product - Easy Maintenance for Clean Countertop Surface, Marble, Tile - No Streaks, Stains, Haze, or Spots - 18 OZ

TriNova Granite Sealer
  • ITEM FORM: SPRAY
  • SURFACE USE: TILE,GRANITE, STONE, COUNTERTOP
  • UNIT VOLUME: 18 OUNCE
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StoneTech BulletProof Sealer, 1-Quart (.946L)

StoneTech BulletProof Sealer
  • ITEM FORM: POUR
  • SURFACE USE: POROUS NATURAL STONE AND GROUT
  • UNIT VOLUME: 1 QUART
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Stone Care International Granite Sealer and Protector - 24 Ounce - for Stone Countertop

Stone Care International Granite Sealer and Protector
  • ITEM FORM: SPRAY
  • SURFACE USE: STONE
  • UNIT VOLUME: 24 OUNCE
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Rock Doctor Granite Sealer, 18 Ounce

Rock Doctor Granite Sealer
  • ITEM FORM: SPRAY
  • SURFACE USE: GRANITE, STONE
  • UNIT VOLUME: 18 OUNCE
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Granite Gold Sealer Spray Water-Based Sealing to Preserve and Protect Granite, Marble, Travertine, Natural Stone Countertops - Made in the USA, 24 Ounce

CHECK PRICE

Granite Gold Sealer Spray Water-Based Sealing to Preserve and Protect Granite, Marble, Travertine, Natural Stone Countertops - Made in the USA, 24 Ounce

CHECK PRICE

Granite Gold Sealer Spray Water-Based Sealing to Preserve and Protect Granite, Marble, Travertine, Natural Stone Countertops - Made in the USA, 24 Ounce

Specification

ITEM FORMSPRAY
SURFACE USE?COUNTERTOP
UNIT VOLUME24 OUNCE

The Granite Gold Sealer Spray was created to provide a long-lasting seal on granite countertops. The product comes in a flat-bottomed can that can easily be sprayed directly on the countertop surface. 

The granular formula, when applied to the countertop, provides a self-sealing protective film on the surface. The formula has a density of 400-500 and it seals edges and joints, preventing water from dripping through the edges and joints of granite countertops. 

WHAT WE LIKE

Granite Gold is actually quite soft, so the film is more of a draw and putty product, rather than a thick liquid. It is easy to use; just wet the countertop with water and spray the granular product on. 

Wait for the formula to dry on the surface and then buff the edges of the sealer onto the counter.

Granite Gold Sealer Spray is a convenient product to solve various problems related to granite countertops, floors, and walls. 

It is a clear sealer that leaves no residue. It is made of a durable material that is free of toxic substances. It is used by professionals, and it is a product that is made to last.

PROS

  • Impressive sealing power
  • Has a pleasant smell to it
  • Safe to use on all food surfaces, non-toxic

CONS

  • We couldn’t really find anything bad today about the product. From most reviews, it seems that the customer failed to properly follow the directions on the package. We feel we cannot fault the company for this. The instructions are plain and clear in our opinion.
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TriNova Granite Sealer & Protector - Best Stone Polish, Protectant & Care Product - Easy Maintenance for Clean Countertop Surface, Marble, Tile - No Streaks, Stains, Haze, or Spots - 18 OZ

CHECK PRICE

TriNova Granite Sealer & Protector - Best Stone Polish, Protectant & Care Product - Easy Maintenance for Clean Countertop Surface, Marble, Tile - No Streaks, Stains, Haze, or Spots - 18 OZ

CHECK PRICE

TriNova Granite Sealer & Protector - Best Stone Polish, Protectant & Care Product - Easy Maintenance for Clean Countertop Surface, Marble, Tile - No Streaks, Stains, Haze, or Spots - 18 OZ

Specification

ITEM FORMSPRAY
SURFACE USE?TILE,GRANITE, STONE, COUNTERTOP
UNIT VOLUME18 OUNCE

TriNova’s Granite Sealer has been praised for its performance and ease of use. A powerful yet easy-to-use sealer, TriNova claims to not only fix on-site problems, but also creates a professional finish. 

This is a mineral based self-leveling sealer that helps to provide the perfect balance between gloss and shine. A rubber base layer prevents any buildup of the sealer and helps prevent chipping and cracking on the face of your countertop. 

WHAT WE LIKE

The sealer has a “removable” base, which helps protect against surface unevenness and bumps, as well as gives you the option to apply additional coats to the surface. TriNova Granite Sealer comes in two different sizes: 18 ounce and one gallon.

Homeowners (especially those who are remodeling) can save money and get professional results when they use the TriNova Granite Sealer. It produces a beautiful, hard-wearing, seamless seal on all granite surfaces, including kitchen countertops, shower stalls, porches, and staircases. 

It is perfect for homeowners who are remodeling their homes and want a beautiful result.

PROS

  • Can be used on nearly any type of stone surface including marble
  • Provides powerful stain protection
  • Great Customer Happiness Policy
  • One hour cure time

CONS

  • Not very good with super porous type stone
  • People have a hard time knowing if the product works because they cannot see a difference. At the same time, this is a water-based product, so you won’t likely see anything after applying
  • Some customers have reported that they need to use more of the product than expected
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StoneTech BulletProof Sealer, 1-Quart (.946L)

Specification

ITEM FORMPOUR
SURFACE USE?POROUS NATURAL STONE AND GROUT
UNIT VOLUME1 QUART

For years, stone-enchanted homeowners have relied on the best sealer to protect their natural stone countertops. StoneTech Sealer is the brand that is trusted by professional contractors nationwide. 

This revolutionary, hard wearing sealer is made from the highest quality materials and is designed to protect your countertops for years, protecting them from spills, scratches and everyday wear and tear.

WHAT WE LIKE

StoneTech BulletProof Sealer provides a superior service and superior product. StoneTech is a leading manufacturer of sealers that will leave your granite countertops in great shape for years to come. 

This product is free from the common volatile organic compound (VOCs), and you can clean the sealer off with soap and water with no chemical residue. StoneTech BulletProof Sealer also has more water-resistance than its competitors. 

In fact, it’s the most water-resistant granite sealer on the market. This product features a 2.5M water-resistance rating, which means it will work on all types of granite countertops. 

Not only will it seal your countertops, but it also seals grout, too. You can safely use StoneTech BulletProof Sealer on all types of grout, too.

PROS

  • Provides five year protection against stains for interior applications
  • Can be used on many stone types both interior and exterior
  • Application will last for years if instructions are followed properly

CONS

  • Depending on the stone, you may need to apply multiple coats
  • Some customers are not satisfied with the quality of this product. We feel that many think that this is a stone filler or restorer when it is only a sealer and protector. 
  • Performs poorly with very porous granite
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Stone Care International Granite Sealer and Protector - 24 Ounce - for Stone Countertop

CHECK PRICE

Stone Care International Granite Sealer and Protector - 24 Ounce - for Stone Countertop

CHECK PRICE

Stone Care International Granite Sealer and Protector - 24 Ounce - for Stone Countertop

Specification

ITEM FORMSPRAY
SURFACE USE?STONE
UNIT VOLUME24 OUNCE

The Stone Care International Granite Sealer and Protector is a top-rated product for countertops that have cracks or water seeping through. This sealer removes excess water more effectively than some other products such as silicone sealers. 

WHAT WE LIKE

The product is perfectly safe to use on all food surfaces. We like that the sealer doesn’t leave any residue after applying. Since this is a penetrating sealer you’ll only have to apply it every 6 months or so depending on how often you use your surface.

Stone Care offers a simple, yet effective, solution to improving the appearance of granite with this product. It can also be used on floors and walls as well as other surfaces to give them a great look while providing protection. 

Professional installers and DIY homeowners can use this product to protect their new granite countertops and butcher block floors from stains, grime and other substances such as dirt and grease.

PROS

  • Works on multiple types of surfaces
  • Applies very easily
  • Very good instructions are included

CONS

  • Some customers describe this as a ‘Hit or Miss’ product. Some have great results while others have a poor experience. We are not certain if this is because they are not following the instructions or if they are receiving a bad batch of product. 
  • Some reviewers have mentioned that the sealer doesn’t work so well on high traffic areas such as bathroom floors
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Rock Doctor Granite Sealer, 18 Ounce

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Rock Doctor Granite Sealer, 18 Ounce

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Rock Doctor Granite Sealer, 18 Ounce

Specification

ITEM FORMSPRAY
SURFACE USE?GRANITE, STONE
UNIT VOLUME18 OUNCE

Rock Doctor Granite Sealer has a very simple, and fast, installation procedure. Once your countertop has been cleaned with cleaning wipes, a tube of the Rock Doctor Granite Sealer will be applied to the countertop. 

When the granite has been covered, the sealer will dry to a crack-free finish in about 30 minutes. After that, if you apply your favorite sealer to your countertop, it will seal your countertop for up to 30 years. 

The only downside to this product is that it requires professional installation and will not be compatible with stains and dents. However, for the average homeowner that doesn’t have access to a granite shaper or mason to install a countertop, this product should be an excellent choice.

WHAT WE LIKE

Rock Doctor Granite Sealer is a high quality sealer that will help you to easily enhance the natural beauty of your granite. It provides a natural looking granite countertop, perfect for people who want to change the look of their countertop without sacrificing the quality. 

It is easy to apply, and it provides excellent protection to your countertop. It is also easy to maintain, and it will help to extend the life of your granite.

PROS

  • Creates a very natural looking seal, you won’t notice it is there
  • Only need to reapply every six to twelve months
  • Can also be used on grout

CONS

  • Most would agree that it’s an ‘OK’ product that does what you’d expect
  • Need to go through the retailer for warranty or any other issues
  • No customer service options even through the company website. They do have an email section but that’s not acceptable when you need a quick answer

Conclusion

Thanks for sticking with us through the end of our article about the best granite sealer. We hope you enjoyed it. This was a very interesting comparison, but the winner of this challenge has to go to the Granite Gold Sealer Spray

It has everything you’ll need to make your countertops and stone treatments look great while staying protected.

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