Best granite sealer: Best Granite Sealer – Guide to the Best Granite Countertop Sealer

The 7 Best Granite Sealers Of 2022

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If you have spent countless weekends scrubbing stains off granite tiles, we’re sorry for you! But we also have a solution for you.

Granite sealers can restore the natural sheen of the countertop while also allowing it to breathe and remain stain-free. We don’t need to tell you that – you’ve heard it several times in advertisements and read it on the internet while trying to find a quick, do-it-yourself solution.

So, if you’re here to know if those mighty claims have any substance, well…yes, they do!

With granite sealers, maintenance of the surfaces will be a breeze, and you’d never have to spend another weekend scrubbing.

Then the question arises, how does one know which sealant is the most effective? That’s where we come into the picture with our reviews of the best granite sealers on the market.

So, things are going to get pretty easy for you. Just sit back and read on how your best granite can meet the best sealer on the market right now.

Top Granite Sealers 

Contents

• Top Granite Sealers 
  • TriNova Granite Sealer
  • Miracle 511QT6 Granite Sealer
  • Granite GG0036 Gold Sealers
  • Black Diamond Stoneworks Granite Sealer  
  • Rock Doctor 35106 Granite Sealer
  • Aqua Mix Sealer’s Choice Gold Granite Sealer
  • Stone Care Sealer for Granite Countertops and Surfaces 
• Granite Sealers Buyer’s Guide
  • Types of Sealers
    • Penetrating Sealers
    • Coating Sealers
  • Odor of Granite Surface Sealers
  • Lasting Capability of the Sealing Layer
  • Application of Sealers
• Verdict on Granite Sealers
  • • Related Articles

 

 

IMAGE	PRODUCT	DETAILS
Our Top PickOur Top Pick	TriNova Granite Sealer	Spray bottle Designed for stone Quick-drying	VIEW LATEST PRICE →
	Miracle Sealants 511QT6	Slip-resistant Resists weather elements Formulated for dense porous surfaces	VIEW LATEST PRICE →
	Granite GG0036 Gold Sealer	Water-based formula pH balanced No phosphates or ammonia	VIEW LATEST PRICE →
	Black Diamond Stoneworks Granite Plus	pH neutral Uses biodegradable ingredients Corrosion-resistant	VIEW LATEST PRICE →
	Rock Doctor 35106 Granite Sealer	Water-based formula Works of natural stones Aerosol spray tin for easy application	VIEW LATEST PRICE →
	Aqua Mix Sealer’s Choice Gold 30882-4	Water-based solution Pre-grouting sealer No sheen	VIEW LATEST PRICE →
	Stone Care International 5203	Comes with a trigger option Ideal for use on porch and other house exteriors Gloss finish	VIEW LATEST PRICE →

1. TriNova Granite Sealer

If you are looking for a sealer that not just tightly seals the granite surface but also forms a protective film over it, the TriNova Granite Sealer is worth considering. What’s more, it seals and protects not just granite but also marble, slate, limestone, quartz, and soapstone.

Granite Sealer & Protector – Best Stone Polish, Protectant & Care…

• ✅ Professional Quality Stone Care –…
• ✅ Advanced-Action Stain Protection – This…

Why Did We Like It?

The TriNova Sealant is the one-stop solution for sealing many surfaces. It comes in an 18-oz bottle for quick application. Use it on the kitchen countertops, bathroom tiles, or floor tiles for effective sealing.

All you have to do is spray it on the surface and wait for a minute before wiping it dry with a microfiber cloth. Leave it on for an hour or so, and you’re good to go. It’s that simple!

Now, we will move on to its working mechanism. The sealer uses a mixture of polymers that enters the stone’s surface, providing a barrier that doesn’t let stains seep. As a result, stains do not become permanent. Not just that, the sealer also adds gloss to the surface and improves its natural look.

Besides, if you’ve wasted hours trying to remove the dregs that develop between the bathroom tiles to no avail – you’ve got a solution in the form of this sealant.

What Could’ve Been Better?

The only downside of this product is that it needs to be re-applied frequently. Although it works very well for eliminating stains from countertops, it is not as useful for watermarks and doesn’t repel water as well as we expect it to.

Pros

• Works on numerous surfaces
• Provides adequate protection to stone surfaces
• Adds gloss to the surface
• Easy spray application

Cons

• Not as effective on water stains

2. Miracle 511QT6 Granite Sealer

If slippery surfaces have you watching your steps at all times, then the 511QT6 Sealer from Miracle Sealants will come to the rescue. The product has a wide application and can work on stucco, travertine, marble, slate, granite, and even ceramic tiles. Not just inside the house, it also works outside on the driveways and patios.

Sale

Miracle Sealants 511QT6 511 Impregnator Sealer, Quart, Clear, 32 Fl Oz

• For use inside or out on a variety of surfaces…
• Formula is oil and water resistant that creates an…

Why Did We Like It?

The 511 Impregnator from Miracle Sealants can cover an area of 1,000 sq ft per quart, making it a cost-efficient purchase. Besides, it covers numerous surfaces, from ceramic tiles to terrazzo.

Therefore, you no longer have to worry about buying different sealants for separate surfaces in the house. The versatility of the product allows it to work on countertops, bathroom tiles and even facilitates exterior application.

Yes, you read that right! No separate sealants for house exteriors! The 511 sealant is excellent for the stones and tiles in the courtyard and driveway.

Additionally, the product seals dense pores and removes moisture from the surfaces, giving them a glossy look and creating a protective shield. The shield doesn’t let water seep through, and the surface remains free of stains.

Finally, we particularly liked how it hardens the surface without altering the original look.

What Could’ve Been Better?

You’ve to be quick while applying this granite sealer. Remember to rub it thoroughly for 3 to 5 minutes after application. If you let the product dry on the surface, it leaves behind a grey cast that makes the surface look dull. So, be alert!

Pros

• UV transparent
• Great coverage
• Can be used on a wide range of surfaces
• Leaves behind a slip-resistant surface

Cons

• Leaves behind a grey layer if not rubbed quickly

3. Granite GG0036 Gold Sealers

Founded in the 1950s, Granite Gold is a family-owned company with a history of producing unrivaled stone maintenance products. The GG0036 Sealer is no exception and is useful for stone, ceramic, and granite surfaces. It is non-toxic and contains no ammonia – making it the ideal product for kitchen countertops.

Sale

Granite Gold Water-Based Sealer Spray Protection for Granite, Marble,…

• Granite Gold Sealer creates a barrier providing…
• Specially formulated for granite, marble,…

Why Did We Like It?

If you’re apprehensive about applying chemical sealants in food-preparation areas, you’re in for a surprise. The Granite GG0036 Gold Sealer is a non-acidic product that is 100% free of any toxic chemicals.

It is a water-based solution in a spray bottle and can be directly sprayed onto the surface. It can protect the kitchen worktop from coffee, wine, and oil stains, which are very difficult to remove, by creating a preventive barrier.

Not just granite, the sealant protects natural stone surfaces against stubborn stains, marks, and unwanted build-up.

Furthermore, it is not corrosive to natural stone and doesn’t take away its natural shine. Unlike some other chemical sealants with a strong odor, the Granite Gold Sealer has a mild citrus odor that is not just pleasant but also safe.

Also, it is not expensive at all, so if you were under that impression, we’re glad to have proved you wrong.

What Could’ve Been Better?

One minor gripe we had with this product was the number of applications it requires. Usually, you will need anywhere between 2 to 3 applications at 20-minute intervals to ensure perfect sealing.

Additionally, it needs to be left for one whole day before you can polish it. So, it tests your patience, but the results are fantastic.

Pros

• Biodegradable
• Spray bottle for easy application
• Safe for kitchen counters
• Non-corrosive

Cons

• Requires multiple applications

4. Black Diamond Stoneworks Granite Sealer  

Now that we’re halfway through our list, here is another excellent product for your consideration. The Granite Plus from Black Diamond Stoneworks uniquely combines granite sealer and cleaner. It comes in a variety of sizes – from one quart to a gallon. So, you can pick a size as per your requirement.

Black Diamond Stoneworks GRANITE PLUS! 2 in 1 Cleaner & Sealer for…

• STREAK FREE CLEAN- Safe for food contact pH…
• BUILT IN SEALER makes surfaces easier to clean and…

Why Did We Like It?

If you thought an effective granite sealer was going to cost a fortune, think again. The Granite Plus Sealer from Black Diamond Stoneworks is affordable and provides superior surface protection.

It works smoothly on travertine, marble, limestone, and granite by sealing and cleaning them meticulously. As a result, the kitchen top will always be free of oil, coffee, wine, and food stains.

The smell is not overbearing, and the sealant is free of toxic chemicals, making it safe for food surfaces.

Besides, it has anti-corrosive properties, and you can use it without worrying about the elegant stone surfaces in the house being corroded. It not just protects the surface but also lends an attractive shine to it.

Also, if you need a solution for everyday kitchen cleaning, this one is it. Just a few sprays, and the kitchen will be spick and span in no time.

What Could’ve Been Better?

We were slightly disappointed with the sealing abilities of this product. Although it is an excellent cleaner and leaves a polished surface, it does not adequately seal the porous surface, thus exposing it to stains and grime build-up.

Pros

• Environment-friendly
• Doesn’t have a strong odor
• Exceptional cleaning properties
• Non-toxic solution

Cons

• Inadequate sealing properties

5. Rock Doctor 35106 Granite Sealer

The 35106 water-based granite sealer from Rock Doctor works extraordinarily well on grout, granite, and other natural stones. It comes in a convenient, user-friendly spray can that makes even application possible. However, there is more to this product. Keep reading to know all the deets!

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Rock Doctor Granite Sealer, 18 Ounce

• For use on granite, marble and other natural stone…
• Penetrates deeply to bond with natural stone and…

Why Did We Like It?

If you’re looking for an effective grout and granite sealer, you’ve come to the right place. The Rock Doctor 35106 Granite Sealer seeps deep and works with the grout, thereby safeguarding it against moisture, stains, and unwanted mold buildup.

Moving on, one bottle will suffice for 100 sq. ft. of natural stone, granite, and other surfaces, making it a cost-effective solution.

Besides, it builds a protective layer over the countertops and stone surfaces and doesn’t let them deteriorate in quality. As a result, they always keep the moisture and grime accumulation at bay, and the surface looks fresh over the years.

Furthermore, the sealer is very easy to use. Just remove the cap and spray it onto the surface that needs to be cleaned. Remove excess residue and give it 30 minutes to dry off, and the surface will be ready for use.

For best results, re-apply the sealer every six months.

What Could’ve Been Better?

We’ve had this product for a considerable length of time now and are quite pleased with its efficacy. However, it has a minor flaw. It doesn’t work effectively on black granite surfaces and doesn’t remove water stains and discoloration.

Pros

• Removes mold from grout
• Easy-to-use spray can
• Works with several surfaces
• Protects the quality of natural stone

Cons

• Not as effective on black granite

6. Aqua Mix Sealer’s Choice Gold Granite Sealer

If tough-to-remove stains on expensive granite have you worried, this water-based formula will provide the ultimate solution for all your woes. It can clean large surfaces with no hassle and is a favorite among buyers for its ability to be used both indoors and outdoors.

Aqua Mix Sealer’s Choice Gold Quart, 32 Ounce

• Aqua Mix Sealer’s Choice Gold is a no-sheen,…
• Water-Based Formula is a world-wide best seller

Why Did We Like It?

The Aqua Mix Granite Sealer is a perfect protectant for stone, grout, granite, and tile surfaces. It removes stains and etches and lends durability without compromising the natural sheen of the surface.

In addition to that, it has a low VOC and is specially designed for areas of food preparation and serving. Besides, it claims to last up to 15 years and is resistant to mold and mildew.

Not just kitchen areas, if you are looking for a good sealer for around the swimming pool, this one should be your definitive pick. It works on low-porosity surfaces and penetrates optimally, thus sealing them and providing sufficient stain protection. Additionally, it also makes them slip-resistant.

Moving on, it works on unglazed tiles, natural stone surfaces, concrete, brick, and grout – making it a versatile sealant for both exterior and interior surfaces.

Lastly, the sealer doesn’t tamper with the surface’s natural finish.

What Could’ve Been Better?

We noticed a white film forming on the surface. Usually, this happens when the product is not wiped immediately and dries on the surface. However, it can always be scrubbed using a nylon pad and chemical scrub.

Also, even though the sealer is quite adequate, it doesn’t come in a spray bottle and can be difficult and messier to pour.

Pros

• Long-lasting
• Suitable for exteriors and interiors
• Designed for kitchen countertops
• Cures quickly

Cons

• If not dried immediately, it forms a white layer

7. Stone Care Sealer for Granite Countertops and Surfaces 

Up next, we have the 5203 professional-grade granite sealant from Stone Care International. It works on all stone surfaces, leaving no residue behind.

Besides, the sealant covers up to 600 sq. ft. in one application, making it a cost-effective solution.

Stone Care International Stone Sealer – 128 Ounce (1 Gallon) -…

• For use on all solid stone surfaces including…
• Protects stone surfaces from water and staining…

Why Did We Like It?

If you’re tired of stains and water damaging the stone and granite surfaces in the house, we have a solution for you. The Stone Care International Granite Sealer seals the surface without leaving behind any white cast.

They are ideal for all the exterior and interior spaces in the house – from floors to kitchen worktops, fireplaces, walls, etc. Besides, since it is non-toxic, you can use it in food preparation and serving areas.

Moving on, the product can be used on a wide range of surfaces, including marble and slate. All you’ve to do is liberally apply two coats of the product onto the dry surface, at 5-minute intervals, before letting it dry for 30 minutes. With just one application, this penetrating sealer can cover up to 600 sq. ft.

Re-apply it after 6-7 months to maintain a shiny, moisture-resistant surface and re-seal the granite.

What Could’ve Been Better?

We noticed a strong chemical odor that permeated the room when the product is applied, and several buyers have complained about the same. However, that’s the price we are willing to pay for this otherwise brilliant product. To make the smell less irksome, we’d recommend opening the windows or switching on the fan to dispel the odor.

Pros

• Covers 600 sq. ft. in one application
• Moisture resistant
• Easy application
• No streaks left behind

Cons

• Generates unpleasant odor

Granite Sealers Buyer’s Guide

With that, we come to the end of our detailed reviews. Now that you know all about the best granite sealers of 2022, we hope making a choice will be quite simple.

Before you make a hasty purchase and start working on the stains that have been bothering you, please go through our buyer’s guide to make the best choice.

Keep reading on to know more.

1. Types of Sealers

Needless to say, the best granite sealer keeps the properties of natural stone in mind. Although you will find many natural stone sealers and cleaners on the market, not all of them work well on granite.

Granite sealers are basically of two types, available in water-based and oil-based forms.

Oil-based sealers have a pungent smell that can penetrate the room and are difficult to dissipate. Even some water-based solutions have a strong odor, but they evaporate if you improve the ventilation.

Before applying either of these solutions, make sure that the surface is well-dried.

1. • Penetrating Sealers

Penetrating sealers are the most popular type of granite sealant. They can absorb into dense porous surfaces and form an obstruction against stains.

Even though it forms a protective film over the granite, it does not block moisture release.

Besides, a good quality sealer will protect the stone surface from water and oil stains.

Enhancing sealers are penetrating sealers that protect the surface from stains and enhance its look. The original color of the granite surface will come out well through its application, and it’ll look as good as new.

1. • Coating Sealers

Coating sealers form a barrier on the granite surface to keep it free from watermarks. However, it doesn’t penetrate or block the pores and thus doesn’t make the granite immune to staining. It needs to be re-applied frequently and only lends a short-term sheen to the stone surface.

2. Odor of Granite Surface Sealers

Some granite sealers have a higher VOC level or volatile organic compounds, such as phosphates and ammonia. As a result, they release a toxic and irritating odor that permeates the house, sticking to the surface and furniture.

Water-based sealants rarely have such a strong odor and are chemical-free, making them safe for kitchen countertops and also for people who have respiratory issues.

With courtyards and driveways out in the open, you may use oil-based solutions or sealers with a prominent smell as it ends up dissipating quickly in the open air.

3. Lasting Capability of the Sealing Layer

What is the point of a sealer if it isn’t durable? Maintaining granite is a tough job, but sealants make it much easier and reduce your responsibilities. While selecting a sealer, you must take its lasting capabilities into account.

Most manufacturers specify the product’s longevity at the very outset, so the customers can look it up on the product description and purchase accordingly. Applying sealers requires time and effort – make sure your sealer is worth it!

Sealers can last anywhere from 5 to 15 years. However, frequent cleaning is essential to add to its lifespan.

4. Application of Sealers

Sealers have different application methods. While some dry quickly, others need an adequate amount of time to settle down. Before you work on the surface, there are a few things you need to check.

For starters, make sure that the sealant you’re using is compatible with the surface you’ll be working on. Do not use sealers not meant for granite surfaces to seal or clean granite.

Also, carefully read the instructions and understand how long it will take for the sealant to dry.

Usually, surfaces need thorough rubbing after application to avoid the formation of a dull coating. We might sound pedantic here, but remember, it is better to be safe than sorry!

Verdict on Granite Sealers

That’s all, folks! We hope finding the best granite sealer will be a cakewalk now.

It’s time to lend a gorgeous look and shine to your kitchen and bathroom, and while you’re at it, we will take our leave, the shine of the sealant and and its resilience will be proof of job well done.

But before we go, we’ll recap our favorites. The TriNova Granite Sealer enjoys massive popularity, and rightfully so. It is affordable and highly functional, designed to seal all kitchen, bathroom, and floor tiles. The spray bottle makes the application a lot easier, reason for which we’d call it the best sealer here for granite countertops.

Also, in case you’re on the lookout for a heavy-duty sealant for proper granite care, we’d recommend the Aqua Mix Sealer’s Choice Gold. It works on interior and exterior surfaces and can seal the kitchen worktops and general surfaces as efficiently as the patio tiles.

Until next time, seal well!

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Which Granite Sealer To Use?

Marble & Granite Sealer Comparison

QUESTION:

I’m wanting to find the best granite sealer available, but not sure how to know.

I was wondering… are there any reviews or studies ranking the performance of the different granite sealers?

I have looked at two in particular: MB Impregnator/Sealer for stone and Stonetech Bulletproof Stone Sealer. Any other suggestions?

ANSWER:

I understand your confusion. Choosing the best granite sealer can be challenging. Many sealers on the market will do an adequate job sealing granite countertops. But yes… there are significant differences.

We’ve used all the top brands, but have found a few that are more effective, durable, and cheaper sealers.

The following granite sealer review and discussion will provide the desired perspective, answers, and advice to help you confidently compare, evaluate, and decide which sealer to use.

Stone Sealer Evolution

“How long will it last” is typically the key question. That answer is not cut n’ dried. Each sealer will have a range depending on certain variables.

The chemicals and ingredients used in stone sealers have evolved (and are still evolving), so they get better and more durable, but there are still plenty of low-grade sealers on the market.

A scientific sealer comparison would be great, but that’s a tricky task.

A true comparative test would need several years with samples undergoing “normal” use and cleaning, or at least some type of an accelerated process that simulates years of use in a short time.

Either way… quite a project and may be of little use by the time completed as new or improved products hit the market.

Years ago Stonetech was cutting-edge, and I’ve recommended bulletproof in the past. It’s a fluorocarbon aliphatic sealer that works by plugging up the pores (as most sealers do).

Fluorocarbon aliphatic sealers were once the very best class of sealers. Most of the recognized brands are now of this type (which is no longer the most advanced formulation).

Stonetech is still a decent, but average product similar to others in its class like Miracle 511, Marble Life, Stonecare International, Rock Doctor, Black Diamond, Weiman, Aqua Mix, etc.

MB Stone Sealer is far better… very good product, much more durable and longer-lasting than Stonetech and the rest of the “last generation” sealers.

None of the above are the best anymore, though. Sealer technology has advanced far beyond how “standard” sealers (like Stonetech, MB, 511) work.

Development of high-quality permanent stone sealers has left these behind.

Which Marble & Granite Sealer is Best?

The top product now for sealing granite & marble countertops (and other natural stone or porous surfaces) is the STAIN-PROOF Permanent DIY Granite Sealer.

STAIN-PROOF is currently the best granite sealer available.

Using nano-technology Stain-Proof employs the most advanced and durable sealer technology yet invented. It forms permanent bonds with the stone, which means… only one application necessary… no re-sealing!

Two or three coats may still be needed (depending on the porosity of your stone countertop) during that one application in order to effectively seal the granite, but then no resealing is necessary.

It can be applied to indoor or outdoor installations and to any porous

surface including granite, marble, travertine, limestone, quartzite, slate, onyx, concrete, grout, etc.

Note, we used to highly recommend SenGuard Sealer. Stain-Proof Sealer is the exact same formula and performance (made by the same company) but you get more volume of sealer at a cheaper price with Stain-Proof!

Obviously, Stain-Proof (and previously SenGuard) is a big step up from the “last generation” fluorocarbon aliphatic sealers that require re-application.

Stain-Proof Sealer is also super-easy to apply:

1. Apply in small, manageable countertop sections
2. Pour on a sufficient amount of sealer to cover the surface
3. Spread the sealer into a thin film over the entire section of countertop
4. Allow the granite sealer to dwell and absorb for 1-5 minutes, but. ..
5. Do not let the sealer dry on the surface
6. Remove all excess sealer and completely wipe the area clean and dry to remove all sealer residue
7. Move onto the next section and repeat steps

We still recommend the Stone Care Impregnating Sealer by MB. It is by far the best of the “last generation” sealers.

The cost is less than Stain-Proof upfront, so it’s a good choice if on a tight budget or when sealing a large floor.

However, it will need periodic re-application, so time / effort / cost catches up with you in the end.

All considered (total lifetime cost, performance, ease of application) STAIN-PROOF is easily the best value for all countertops and vanities.

Once you decide on which granite sealer to use, you can get answers to all your other sealing questions from our comprehensive sealing granite guide.

A couple other permanent sealers (Granite Shield, Permatreat) are also on the market, however, they are much more complicated to apply.

Granite Shield requires a multi-step application procedure and is more expensive than Senguard and Stain-Proof which are very simple to apply.

Permatreat can only be applied by a licensed technician (expensive).

For a complete explanation of sealer technology, different types of chemical formulations, how various sealers work, and how to apply sealers correctly then check out the All About Sealing Granite & Marble e-book.

It doesn’t break down every brand, but it does thoroughly cover this topic, so consumers can get a detailed understanding of sealers.
Just remember that no sealer will work as well as designed without proper application. It’s not a difficult job, but you must completely saturate the stone without letting the sealer dry on top.

Follow the directions carefully and you’ll do fine.

First, be sure to perform the sealer application test to determine if you even need to seal the stone.

If you don’t know. .. and many don’t… some stones just don’t need sealing and trying to apply one can cause problems with a hazy film.

Many dark granite colors (black, blue, green, brown) will not need sealing while white granite and lighter colors almost always require a sealer, but it’s always best to directly test your specific countertop, tile, or any natural stone first.

Testing will eliminate any guessing and give you a definitive answer. If testing shows you should apply a sealer, then…

Stain-Proof Permanent Marble & Granite Sealer will provide the very best performance, durability, and value over all other sealers.

Freeze and Water Resistant Exterior Sealants at a Glance

During the construction or repair of any building, a large amount of work falls to the share of seals, sealing and moisture insulation of structural elements. For these purposes, special materials are used – sealants.

For work inside and outside the premises, it is desirable to use compositions with a different set of properties.

For indoor use, the composition must first of all be safe, the sealant for outdoor work must be frost-resistant and water-resistant.

What other requirements must be met by outdoor sealants? What types of such sealants exist? What are their main pros and cons? You will find answers to these questions in the article.

Sealants intended for outdoor use are subject to special requirements.

One of the main requirements for sealants for outdoor work is resistance to UV rays. Materials that do not have this property are destroyed by sunlight and cease to perform their functions of sealing, sealing and gluing.

Since most of Russia is characterized by severe winters, the materials used for the construction, decoration and repair of buildings and structures must withstand the effects of low temperatures.

In the middle and southern latitudes, there is often a hot dry summer. At the same time, in sunny areas, buildings can heat up to very high temperatures. Outdoor sealants must be able to withstand this heat and not dry out, crack, or bleed from the seams to be sealed.

Exposure to atmospheric moisture, rain, snow, hoarfrost, dew can lead to the destruction of conventional sealants, so materials for outdoor work must be moisture resistant and not washed out with water.

Under the influence of temperature differences, the materials of buildings change their linear dimensions. If the joined materials are heterogeneous, then they will change their dimensions in different ways, causing deformation of the seam. In order for the seam to be of high quality and retain its sealing properties for a long time, sealing compounds must have excellent adhesion to the surfaces to be glued and good elasticity.

Sealing work outside the premises is characterized by high labor costs and is not carried out so often. Therefore, the sealants used for external joints must retain their properties for a long service life (15-20 years or more).

The presence of harmful emissions for sealants used in building exteriors is not as paramount as it is for indoor materials. Nevertheless, for those who care about the environmental component, it is necessary to select materials that are safe from this point of view.

Silicone sealants are one of the most versatile and most sought-after compounds for sealing joints on the outside of buildings. These materials are based on organosilicon compounds and have properties that make them suitable for most applications.

They create an elastic seam, work in a wide range of temperatures, and are resistant to water, moisture, dampness. Silicone sealant – frost-resistant composition. It is characterized by good adhesion to many structural materials.

When choosing a silicone sealant as a material for outdoor use, it should be borne in mind that it can be neutral or acidic in type of curing. If the former do not form any substances during the polymerization process and have no smell, then the latter emit acetic acid vapors and have a characteristic odor.

Although the odor subsequently disappears, during curing, such a sealant may react with non-ferrous metals, marble, and some cementitious materials containing alkaline compounds.

Silicone sealants cure under the influence of atmospheric moisture. The process begins at the surface of the seam and extends inward. Curing speed is highly dependent on both air humidity and ambient temperature. On average, the polymerization rate is 2-3 mm per day.

Among the general disadvantages of silicone compounds, one can single out the impossibility of coloring them (but there are compositions of various colors on sale), the impossibility of restoring the seam section (the seam is removed entirely and filled again) and insufficient adhesion to porous materials (concrete, plaster).


Acrylic sealants are environmentally friendly compounds designed to isolate joints and seams. Unlike other types of sealants, acrylics are characterized by good vapor permeability. For this reason, they are very popular for sealing wooden structures.

Acrylic sealants can be moisture resistant. Such materials can retain their properties even in high humidity conditions.

Most acrylic sealants can be used outdoors, but you should make sure that the manufacturer expressly indicated the possibility of such use. If there is no such mark on the package, then most likely the composition does not have frost resistance and hardens and cracks under the influence of negative temperatures.


The main advantages of outdoor acrylic sealants are as follows:

• Sunlight resistance
• Good adhesion to wood, concrete, stone, brick, metal, glass and other surfaces
• Can be overpainted and machined
• Ability to repair a damaged joint with a similar sealant
• Ease of use
• Fire safety
• Low cost

On average, acrylic compositions are characterized by frost resistance up to -40 ° C.

Acrylic sealants are used for sealing door and window openings, filling wall cracks, sealing joints in log cabins and other wooden structures.


Some consumers prefer polyurethane sealants – these materials have appeared recently, are manufactured using modern technologies and have good performance properties.

They create elastic connections and are characterized by high water resistance, UV resistance, wear resistance. Polyurethane sealants withstand prolonged exposure to both high and low temperatures (down to -60 °C), including in direct contact with water. They show minimal shrinkage after curing.

There are one-component formulations that require atmospheric moisture to start the polymerization process, and two-component ones. These compounds begin to cure when the components are mixed. The curing speed at the same time depends little on external factors and is regulated by the proportion of the components.

The scope of polyurethane sealants is unusually wide. They are used for sealing door and window openings, inter-panel seams, for waterproofing roofs or foundations, for sealing and connecting elements of wooden structures, etc.

The service life of compositions based on polyurethane is more than 20 years.


Rubber sealants are produced on the basis of synthetic oligomers and elastomers. In addition to rubber, other materials may also be included in their composition – fibers, resins, solvents, bitumen, etc.

Rubber-based compounds after polymerization resemble rubber in consistency. They form a strong elastic barrier and adhere well to substrates such as stone, brick, wood, concrete, glass, ceramics, copper. This composition is also widely used as a sealant for roofing when working with various materials.

The use of rubber sealant as a roofing material is facilitated by a set of its performance characteristics.

Rubber sealants are resistant to atmospheric factors – they protect against corrosion, are not afraid of water and sunlight, withstand frosts down to -50 ° C. After the joints have cured, they can be painted with facade paints.

Unlike most types of other sealants, rubber compounds can be applied even to a wet surface.

Their service life is 15-20 years.


Compositions made on the basis of bitumen are perhaps the oldest insulating materials known to mankind. This roofing sealant is used for the device and repair of various damages of metal roofs, rolled roofing materials.

Modern sealants are made from refined bituminous resin and additional components. Despite the simple composition, such materials well protect the metal elements of roofs from corrosion and create an excellent barrier against the penetration of water and moisture. They are easy to use, do not require preliminary surface preparation before use, and quickly cure.

Using bituminous sealant, it is possible to process large areas in a very short time, waterproof the foundation, drainage systems, etc.


In addition to the listed advantages, bituminous sealant has a number of other advantages, including the following:

• High adhesion to various roofing materials
• Frost resistance
• High elasticity
• UV resistant
• Mold and fungus prevention even in high humidity conditions

Of the minuses, one can single out the impossibility of staining after application.


When choosing a composition for sealing external surfaces, performance should be at the forefront. The aesthetic component (for example, a suitable color or transparency) is of course also important, but does not carry any functionality. First of all, it is necessary to protect the house from the cold, drafts, and leaks.

Therefore, first of all, based on the individual characteristics and conditions of use, the desired type of sealant is selected, then a specific brand.

It should be remembered that there is no need to overpay for expensive imported products if it is possible to pick up no less high-quality domestic-made sealant.

Manufacturing technologies and components used for domestic and foreign formulations are the same. However, it is better to look at the materials of well-known brands first of all.

In order to avoid acquiring fakes, it is better to purchase sealant in large retail outlets. In addition, in such institutions there is an opportunity to study the entire range of products offered and choose the best sealant for your needs.

frost-resistant, waterproof, silicone sealant for concrete and wood

When building and repairing, you need to get the highest quality result. To achieve the goals, it is necessary to prevent the appearance of chips and seal all cracks with special materials. The outdoor sealant is frost-resistant, water-resistant and able to withstand all weather conditions. It is he who is characterized by increased strength.

Colored outdoor sealant

Exterior Sealant Features

Sealants contain plasticizers, dyes and rubber compounds. All these elements make it possible to achieve the following technical indicators:

• sufficient elasticity;
• increased strength level;
• the ability to withstand without loss of quality low and high temperatures (frost resistance), exposure to moisture and ultraviolet;
• providing a high level of adhesion, allowing the use of an external sealant to interact with materials (including marble, granite, glass and log cabins).

The combination of these factors achieves the maximum permissible quality of the material.

Hardened transparent sealant

Types of sealants for outdoor use

The advent of sealing compounds has made it possible to carry out better work on sealing cracks and irregularities. There is a huge variety of sealants that can be classified in 2 directions:

• One-component sealant. It is used for household needs. Sold in packs or tubes. They harden at application thicknesses from 2 to 12 mm.
• Two-component formulations. These are industrial sealants, characterized by increased strength and the ability to quickly harden (regardless of the thickness of the applied layer).

Universal outdoor sealant

Depending on the characteristics of the material, the classification is as follows:

• Freeze-resistant sealant. Withstands low temperature conditions without loss of key parameters.
• Exterior concrete sealant frost and water resistant. It is used for processing rooms where high humidity is fixed.
• Rubber seal. A versatile material that is resistant to weather and temperature conditions. Good water and UV resistance.
• Heat resistant material. It is used in situations where the room is under the influence of high temperatures, used for industrial purposes.

Let us examine in more detail the types of sealants depending on the base of the seal.

Exterior Concrete Sealant

Bituminous sealant

These are classic building materials with a limited scope. Basically, bituminous compounds are used for roofing.

Bituminous Roof Sealant Application

Sealant is characterized by the following points:

• Increased water resistance. The sealant can be applied to a damp and polluted environment, it will still quickly harden and securely fasten the roof seams.
• Elasticity parameters. The material is able to restore its original shape over time, and its stretch rate reaches 500%.
• The basis of the sealant are rubber (rubber) compounds and bitumen.
• The palette is dominated by brown and black.

Granite Sealant

Bituminous Sealant is required for repair of street gutters, foundations and pipes, roofing operations. It is mainly produced in the form of tubes (including several liters), equipped with a special device (gun) for ease of application.

Silicone sealant

The most popular type used for both domestic and industrial needs. A feature of this material is the presence of silicon in the composition, from which polymer resins are made for the manufacture of silicone.

Outdoor Silicone Sealant

Silicone Sealant is popular for the following benefits:

• High elasticity of transparent silicone base. The presence of rubber compounds demonstrates increased elasticity. In some embodiments, the degree of stretching of the material is up to 800% of the original shape. In addition, silicone has the ability to quickly restore its original shape after deformation.
• Adhesion parameters. Due to the elasticity of the silicone, Exterior Wood Sealant adheres well to almost any material and securely fixes the mount. This allows you to significantly expand the scope.
• Silicone perfectly copes with any weather conditions, is not afraid of negative temperature values, heat-resistant. Sealing calmly withstands a temperature range ranging from -50 C to + 200 C.

Silicone sealant packaging example (small capacity tube)

Silicone Sealants come in a variety of types:

• Metal Sealant, water-resistant, general-purpose exterior, with at least 45% silicone rubber and a hydrophobic filler.
• Sanitary. Special anti-fungal and anti-corrosion agents are added to help prevent mold and rust (including in wooden structures).
• Aquarium. It is characterized by the absence of harmful secretions and excellent water resistance parameters.
• Window waterproof. Designed to give the material increased resistance to open sources of ultraviolet radiation.

The only disadvantage of outdoor silicone sealant is that it is almost impossible to paint. Manufacturers produce a fairly small range of products according to the color palette. This prevents consumers from choosing the shade of sealant that is needed to seal the seam.

Exterior Wood Sealant

Acrylic Sealant

Characterized by a sufficiently low elasticity, which does not allow its use for sealing joints in moving structures. The material has the following features:

• Insufficient level of moisture resistance. The sealant is able to withstand short-term exposure to water, however, in conditions of constant humidity, it loses its qualities.
• Easy to color. Acrylic sealant can be coated with a layer of any coloring or varnish substance. However, experts recommend giving preference to acrylic paints.
  The range of colors can be seen in the photo below.
• Good adhesion to most building materials. Acrylic adheres well to concrete, wood and glass surfaces, however, when applied to metal structures, care must be taken, as the sealant may be destroyed due to corrosion processes.

Sample range of sealant colors

Acrylic resin based product often used for interior applications. This is due to the fact that the material in its pure form has a rather modest operating temperature range – from -20 C to + 70 C.

Exterior Window Sealant

Polyurethane Sealant

Polyurethane based sealants are most common in Western Europe and the USA. In Russia, this type is only gaining popularity.

Exterior Polyurethane Sealant

Exterior Polyurethane Sealant has a lot in common with foam when compared externally. When filling seams and joints with a sealant, it increases in volume. This type of sealant is characterized by the following features:

• High operating temperature range, allowing the use of the sealant for outdoor and indoor work, good frost resistance (from -60 C to +120 C).
• Exterior Frost and Water Resistant Polyurethane Sealant contains hazardous chemical concentrates that can release caustic substances. When using polyurethane for domestic purposes, special attention must be paid.
• The polymerization of the substance is carried out due to moisture. After applying the frost-resistant sealant Macroflex, it is necessary to moisten the treatment area with a small amount of water.
• Polyurethane has a thick and dense structure; when applied to vertical structures, it does not flow. Also, the sealant is characterized by the fact that it does not shrink. Material consumption is minimal.

Popular manufacturer of polyurethane sealant

In appearance, the substance resembles a putty sold in large tubes or large buckets. Often used to create polycarbonate.

Exterior Acrylic Sealant

Which sealant is suitable for sealing external joints?

For do-it-yourself external joint work, sealant must be used. Since the acrylic composition has an insufficiently high range of permissible temperatures and is characterized by low elasticity, preference should be given to silicone and polyurethane compositions. They are based on a special adhesive that provides strong adhesion to the surface.

Outdoor Freeze Sealant

How to choose a sealant for different materials?

When choosing a suitable frost-resistant sealant, it is necessary to take into account the nuances and follow these recommendations:

• When purchasing a substance, it is worth studying information about the technical capabilities of the sealant, quality standards.
• Be sure to check the expiration date.
• The tube must be intact and undamaged. If the packaging emits a sharp unpleasant odor, then it is better to refuse to use such material.
• When buying a sealant, you should give preference to well-known brands. Manufacturers care about their reputation by providing a quality certificate.