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Best Grout Sealer Reviews For 2019 ✓ – Tile & Grout Sealers Buying Guide

It’s time to seal grout like a professional!

A Grout sealer is easily the most common tiling product out there and everyone that has a tiled surface knows about them – they work wonders and the best way to protect an investment for years to come.

This review of the best tile & grout sealers for 2019 is designed to help you select the right sealer for your application. (Plus show you the lowest’s online prices ;-))  

If you are looking for the best tile sealers – click here 

Click here to jump to the best grout sealers information table.

Grout sealed bathroom.

The trouble you may find is due to the popularity of grout sealers. They are the best solution to maintaining the look of tiles and grout – making a grout sealer  the most misunderstood and difficult to buy tiling items.

From penetrating sealers to solvent or water-based grout sealers, the mumbo-jumbo gets more confusing the more you read about them.

Luckily, your favorite tiling site has got your back again and I will teach you everything you need to know about the best grout sealers and which one you require for your sealing work!

Let’s seal some grout!

The Best Grout Sealers/Sealants – Information Table


Aqua X Grout Sealer

Penetrating5Grout In All Areas - Commercial or Residential UseCheck Price

Miracle Sealants - Porous Plus Sealer

Penetrating4.5Ideal for porous surfaces like sanded grout and travertine etcCheck Price

Aqua Mix Sealer's Choice Gold

Penetrating4Ideal for sealing natural tiles & grout in one go.Check Price

Tuff Duck Grout Sealer

Penetrating4Ideal for grout, marble, granite and slate.Check Price
The Best grout sealers for tile and grout

Professional Tiler’s Pick ✓

Ideal for most situations. Very easy to apply grout sealer that truly protects and repels dirt, stains and water.

best grout sealer
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1.  The Best Grout Sealer : AQUA-X Grout SEaler

The best grout sealer is Aqua-X Grout Sealer by Black Diamond Coatings. 

It is a low odor, high yield penetrating grout sealer suitable for:

• All Types of Grout (excluding Epoxy grout)

It is a modern grout sealer with added mold and mildew inhibitors that make it perfect for damp areas like showers and kitchens. It is safe for both exterior and interior use and has the best properties overall for every day and most common uses. 

It also scores consistently high ratings from customers, something I haven’t seen with any other grout sealer. 

Carl Anders from

Hi there and welcome to

My name is Carl and I have been tiling professionally for over 20 years in both the USA and England.

In that time I have sealed my fair share of grout, natural stone, cement tiles and I’ve used some great and some not-so-great grout sealers in that time.

Today, I want to pass on my experience with grout sealer’s on so that you can make the right and proper decision when selecting one for your project.

Grout Sealers Choice
The Best Grout Sealer

When it comes to selecting a grout sealer for your tiles or grout, it’s important to remember what kind of result you are expecting from your grout sealer.

Every grout sealer is made for a different purpose and can affect the end result.

Below you will find the best 3 overall tile and grout sealers that can be applied for most situations and expected results.

QUICK TIP: When we say “Grout Sealer” it’s the general term for a sealer that works on both grout and tiles. If you want a specific tile sealer, check out my best tile sealer review.

Best Overall Choice In Grout Sealants

This is a modern and feature packed grout sealer that is perfect for most situations. 

best sealer
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1. Best Grout Sealer:

Black Diamond Coatings – Aqua-X Grout Sealer

Aqua-X grout sealer is a new product that has already made an excellent name for itself in the short time that has been on the market.

Black Diamond Coatings have outdone themselves by providing an affordable grout sealing solution that is packed full of features. 

It’s very easy to apply, has no VOC‘s or foul odors and you get a lot of bang for your buck with an average coverage rate of up to 75 sq/f per 16 oz’s. Did I mention it has mold and mildew inhibitors that prevent nasties growing on your grout?

The water beading effect is very impressive as well, water simply doesn’t want to stick to the grout.  


• Natural look with no extra sheen

• No color change in grout or darker shades

• Industry leading coverage  

• Protect’s against all stains

• Added Mold + Mildew Inhibitors 

• Very Easy To Apply  


• No faults found at time of review

Best Sealer For Porous Surfaces

This grout sealer is great for porous tiles like travertine and sealing large amounts of cement grout like in a stone/pebble shower floor

best grout sealer for porous surfaces
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2. Best Porous Sealer:

Miracle Sealants – Porous Plus Sealer

Miracle Sealants have lived up to their name and created a miracle sealer than works great on porous surfaces.

This formulation allows the stain fighting component to remain close to the surface of the tile/grout allowing maximum protection of porous surfaces.

It provides a natural look without added gloss and adds a non-slip property to the surface, making it great for outdoor areas where safety is a concern.

U.V and weather resistance 


• Natural look with no extra sheen

• Ideal for porous natural stone and gritty grout.

• Excellent coverage

• Suitable for food areas

• Protect’s against all stains


• The most expensive sealer

• Can discolor some marble surfaces

• Strong Odor

Best Sealer For Sealing Tiles & Grout

This sealant is great for those wanting to seal natural tiles and grout at the same time. It penetrates the surface and does not effect the natural finish of tiles or grout.

best grout sealer for enhancing color
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3. Best Tile & Grout Sealer:

 Aqua Mix – Sealer’s Choice Gold

Aqua Mix has been producing quality tiling solutions and problem solvers for over 30 years and I have been using their product for nearly as long.

The Sealer’s Choice Gold is my go-to tile and grout sealer for most everyday job’s as it provides a natural, non-sheen look to natural stone and grout that doesn’t affect the final finish of the surface.

It is an impregnating sealer also, making it suitable to seal and protect ALL natural stone from oil and water based stains making it ideal for all areas of the home, from food preparation area’s to bathrooms and shower floors.


• Natural look with no extra sheen

• No color change in grout or darker shades

• Suitable for all types of Natural Tile + Grout

• Excellent coverage

• Penetrate’s dense, low porosity materials  

• Protect’s against all stains

• Suitable for Exterior/Interior Surfaces


• Higher Price Than Common Grout Sealers

• Requires multiple coats for best results

Best Sealer For Marble Surfaces

Tuff Duck takes the guess work out of sealing marble tiles and kitchen counters with this non-acidic grout sealer.

best grout sealer for marble
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4. Best Natural Tile Sealer:

 Tuff Duck – Natural Stone Sealer

Tuff Duck is a lesser known name but that in no way makes it’s Natural Stone Sealer a lesser product.

Tuff Duck excels at sealing Marble tiles and countertops without affecting the natural color or leaving an undesired gloss coat on top of it.

On top of being able to work on all natural stone and tile, it can also be used on concrete and various forms of unsealed tiles like terra cotta and terrazo


• Great for Marble + Granite

Wide variety of applications

• Cheaper than other sealers


• Doesn’t penetrate as well as other sealers

• Longer application time

• Low Coverage

• Can’t be used on cement

Grout Sealer Question – When Do I Use A Grout Sealer?

A grout sealer works well in a bathroom.

The purpose of a grout sealer is to prevent water and any other external matter from staining or penetrating the grout or tile it is used on.

On a normal porcelain tile, that job is taken care of by the glaze, or that beautiful shiny part on the surface of the tile that is the pattern.

Your tile grout, however, is not impervious to water, mold & mildew and the worst of them all – red wine!

The same applies to all natural stones like granite, sandstone, marble, travertine. Its best to get them sealed with a quality natural tile sealer before any work is done.

These natural tiles are porous by nature and do not come sealed from the factory. Meaning that they 100% require some sort of sealing prior to installation in order to prevent any cement staining and dust build-up that will occur during tiling.

So to translate this into terms you want to hear:

If you are installing natural stone tiles or counters in your home, you require a quality sealant to prevent any oil and water based stains, easy cleaning and maintain the finish of your expensive stone.

To achieve a natural look: Use Aqua Mix Sealer’s Gold

To achieve an enhanced color, always wet look: Use Miracle Sealants Seal & Enhance

If you did not use Epoxy Grout in your tiling installation and are wanting to maintain the look of your grout color, prevent mold & mildew build-up and make tile maintenance a breeze, then you require a grout sealer.

Grout Sealer Question – What Is A Grout Sealer/Grout Sealant?

the best grout sealer on disply

I have seen some pretty horrific explanations of what a grout sealer is on similar grout sealer reviews so I will try to explain it properly.

A grout sealer is best described as a water or solvent based solution that is designed to create a protective layer between grout/tile and external dirt, stains and liquids.

This is achieved by using polymerized silicone resins and additional polymers that penetrate the porous surface of tile grout and tiles and create a barrier against external forces while still allowing the natural color and texture of the protected surface to show through.

The water or solvent that carries this resin is there so you can easily apply the grout sealer and allow for penetration of the surface and all of its numerous cores. With time, the carrying agent evaporates into the air and leaves only the resin behind.

“This is why multiple coats of a grout sealer are needed; because one coat of grout sealer is not enough to fully cover an area and create a thick enough layer that will endure living conditions and stains as the protective agent is diluted with the liquid based carrier.”

In Layman’s Terms:

A grout sealer is the best solution against grout staining. It is a magical liquid that enters tile and grout and protects them against everything. It goes on wet and dries up and your grout is sealed.

How Do I Use A Grout Sealer/Grout Sealant?

To use a grout sealer you will require an applicator to apply the grout sealer and a clean surface to work on.

Depending on the scale of work you can either use a mini paint roller for sealing tiles or a sponge pad and a specialized grout sealer applicator bottle for grout sealing. A soft haired paint brush can also be used. I found the paint roller to be the best grout sealer applicator.

The best grout sealer for color enhancing is 511 Seal+Enhance

Lastly, you will need a clean cotton rag or paper towel to wipe away any excess solution that gets onto your tiles or surfaces that you do not want sealed. 

This post first appeared on Tilersplace, please read the originial post: here

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Best Grout Sealer Reviews For 2019 ✓ – Tile & Grout Sealers Buying Guide


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