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Want a lasting way to seal air leaks through cracks, gaps, and joints for your windows, doors, and bricks? Then, these exterior caulks are what you need!
What we mean is- exterior surfaces like the driveway, the garage, doors, windows, and even roofs have their own materialistic property.
Therefore, the required adhesive exterior caulk sealant should complement them anyway.
And finding a perfect match out of 100s of products in the market is a really hard nut to crack. Let’s agree on that!
We’ve taken over the hectic process of research and come with a polished list of top rated exterior caulk in the market.
Below is the hands-free review of 10 of the best picks in the market, backed by detailed breakdown of features.
Take a break from whatever you are doing, and let’s proceed.
If you don’t have a prior idea on which exterior caulk you’re supposed to buy, here are some tips that
will help you.
You will find a detailed explanation of each of them in our buyer’s guide later in this post
Let’s not waste any more time, and start crawling through our TOP5 exterior caulks.
TOP 5 Selection – For A Quick Decision
Our TOP5 Selection
Our TOP5 comparison table
The products in our selection of 5 best exterior caulks are compared in the table below across key dimensions.
These key dimensions are detailed further in our buyer’s guide below in this post.
|Product||Lifespan||TEMPERATURE SUSTAINABILITY||Price Range||More Info|
|Sashco 10016 10.5oz 10016 Big Stretch Caulk 10.5-Ounce Cartridge||Offers a lifetime durability and lasts +5 at least.||Can be used indoor outdoor.||7$-10$||Detailed Reviews|
|Gorilla Clear 100 Percent Silicone Sealant Caulk, Waterproof and Mold||It can last +20 years.||Freeze and sun-proof||6$-8$||Detailed Reviews|
|Red Devil 848 Window & Door Caulk EZ Squeeze Tube
||Depends the formula you choose.||Can be used indoor outdoor.||10$-12$||Detailed Reviews|
|GE GE5000 Advanced Silicone 2 Window & Door Sealant||It can last +20 years.||It defends harsh weather.||5$-7$||Detailed Reviews|
|Gorilla 100 Percent Silicone Sealant Caulk, 2.8 ounce Squeeze Tube||It can last +20 years.||Can be used indoor outdoor.||4$-6$||Detailed Reviews|
You find also additional information in our detailed product reviews later in this post
Our Top 11 Best Exterior Caulk Reviews In 2020
1. Sashco 10016 10.5oz 10016 Big Stretch Caulk
The Sachco 10016 10.5oz 10016 Big Stretch Caulk is their #1 seller and it is the right fit for indoor and outdoor uses.
No matter it’s your home interior, kitchen, bathroom, garage, basement or outdoor places like driveway, patio, etc, this will be the right choice.
Even in the case of special places like windows, slidings, vents, eaves, baseboards, this adhesive will work like a charm.
Moving forward from the usability to the visual.
This Sashco 10016 comes within a compact tube of 10.5oz, which is good enough for months of uses.
If you’re a commercial user instead, you have to purchase several units of it.
The color of the seal will be transparent white, which is ideal for external painting.
A stand out feature about this product is, it works great on metals. Where many of the popular models are weak on metal surfaces, this one great on any type of metal caulking and gives you long lasting durability as well.
Many of the adhesives are supposed to be painted over them, but the paints don’t seem to last long. But we have got impressively good reports with this one.
But all you have to do it is wait for a few hours.There are many cases where you are not looking for an adhesive product, and you’re searching for something to fill up the holes of your subject.
As this product has a capacity of solidifying itself once dried, this is something that you would love to go for.
A major selling point of this product is it’s safety concerns. No matter it’s the indoor kitchen or outdoor patio you would like it to be harmless. And that’s what it ensures as well.
It’s made in a completely bio-friendly feature and that’s what us users love too.
In terms of durability, we’ve got a lifetime promise from its manufacturer. But to be practical, none of us have such expectations from caulk sealants.
But so far, it’s good to go for at least 5+ years since it’s applied. So, don’t worry about re-sealing the place which is already taken care of by this product.
Overall, the quality, durability, chemical properties, outlook, and adhesiveness- everything is in favor of regular or commercial uses. Let us know what’s your thought on this.
2. Gorilla Clear 100 Percent Silicone Sealant Caulk
The Gorilla Clear 100 Percent Silicone Sealant Caulk is one of the most familiar and popular exterior caulks among the users.
and it’s called the Gorilla Clear 100 Percent Silicone Sealant Caulk.
If you’ve been familiar with Gorilla, you might be aware of the good vibe they have among the users about their products.
And this sealant we’re talking about is just another touch of that excellence.
This sealant is quite tough, clear to visualize and made of 100% silicone.One of the best selling points of this product is its diversity and multi-purpose use.
Once you get this in hand, you’re free any sealing purpose around the kitchen, door, window, bathroom, marine devices, plumbing tools, gutters, automotive, and whatnot! In fact, this particular feature of this product had led us to pick it up and place it at one of our best positions.
Moving on, it’s about the recovery time that it takes. Once you have applied this sealant on any subject, it will take just 30 minutes to get matured.
So, if you don’t have hours to wait for the sealant to get rigid, this is the right choice for you.No matter it’s the water, mold or mildew, the Gorilla Clear 100 Percent Silicone Sealant Caulk is a solid defense against that.
Once you apply this on any subject, all you have to do is forget about that. Because none of the environmental odds will get to affect this.
There are many typical caulks available in the market, that are meant to be applied only at a particular season or environment. But this product that we are talking about, has got a badge of all-season sealant.
No matter if it’s a rainy day or winter, it will take just 30 minutes to prepare itself on the subject.All that being said, there are some certain rules to apply this sealant on any subject. First of all, you have to clean up the surface that you are applying this solution.
It should be free of dirt, oil, etc. Even if there is an old sealant, you should take that off too. Also, you should apply it at a temperature of 40F(ambient).
Once you ensure these couple of precautions, you can get ready to experience the magic of best exterior paintable caulk in the market.
The single unit that we are discussing, contains 10oz of sealants, which is good enough for occasional uses. In case you need supplies for more regular use, there is a 6 pack unit as well. And all of them come to be a very satisfying pick in terms of price-quality ratio.
3. Red Devil 848 EZ Squeeze Window and Door Caulk, 5 oz
Red Devil 848 EZ Squeeze Window and Door Caulk,5 oz is water-resistant which made it perfect for repairing cracked or loose tiles made of ceramic or mosaic.
and it’s next pick on the podium, called the EZ Squeeze Window & Door Caulk and it’s from the inventory of Red Devil Inc.
Along with a formulated chemical structure and a patented tube design, this caulk is definitely one of the biggest hits of the market.
Before getting into the details of this product, let us discuss some on the brand and it’s the background.
Red Devil Inc is a privately owned family business.
Over time, they had developed a state of the art manufacturi8ng system in the state of Oklahoma.
In terms of hand tools and chemical products, they have got a handful of good products, and the product that we are up to right now is just one of their best creations.
This Red Devil 0848 EZ Squeeze Window & Door Caulk has a number of features that we would like to point out at.
Let’s start with the formula.
The formula that is used to prepare this best outdoor caulk, is meant to provide an extra tight seal around your doors, windows and literally anywhere else. The sealant is made to be multi-purpose. So you can make use of it both indoor and outdoor.
To increase energy efficiency, this caulk has a supreme efficiency.
Its formula is made to reduce drafts and cold spots from the subject. Therefore, the product itself comes to be an agent of increased energy efficiency.
Apart from the internal caulk, let’s focus on the design and usability of the tube design. Believe us or not, this brand had got a patent for the specially designed tube that carries along this caulk.
They call it the Ex Squeeze design, and it literally helps to wind up this tube when you are up to working with it.The tube ensures a steady supply of the glue, and it comes out pretty smoothly and consistently.
And this happens not only with the first few ounces but also till the last drop of it. As a user, you can never expect more from an exterior caulk tube.
Worrying about the mildew attack on the subject?
Once you have applied this product from Red Devil Inc’s inventory, you don’t have to worry about that.
This caulk is proven to be mildew resistant, and it’s paintable in case you want to. On top of that, if you want to clean this up, it’s easily cleanable.
You might be wondering about the subjects and material types that it can be applied onto. Well, as we have previously said, it works great on mosaic and ceramic made tiles. Apart from that, it also adheres to wallboard, masonry, wood and any similar subjects.
4. GE Silicone 2+ Window & Door Caulk
when you are in need of a budget-friendly choice of caulk, GE Silicone 2+ Window & Door Caulk is best suited for doors and windows only
As you have seen in precious picks, there had been sealants and caulks that are supposed to be multi-purpose picks. And for obvious reasons, there had been a rise in the price as well. But that’s not one hundred percent of the users need, right?
We are talking about situations, when you are in need of a budget-friendly choice of caulk that is best suited for doors and windows only, then this GE Silicone 2+ Window & Door Caulk can be your best choice.
Let’s break down the features and benefits right away and make it’s worth clarifying for you-
This sealant is made of 100% silicone and as you know, silicone is made to be waterproof and so does this product. Once you are done with applying it on the subject, it will only take 390 minutes to be ready.
One of the most important features that we are happy about is its ability to defend harsh weather. No matter if it’s rainy weather, or dry summer or dizzy winter, this model would sustain them all.
So, you don’t have to worry if you get to apply this one on outdoor garage doors, patio doors, log home doors and windows as well.
Specially, when it’s about applying this sealant on any sump situation like in the garage, this can be your ideal choice. Places like basements or attics can be the ideal choice for this applying this caulk right away.
There are a number of promises about mold protection that brands use to promise. But what you are getting with his model here, is something up to the par.
It gives you a 10 years mold free protection guarantee, which is pretty extraordinary. Apart from that, it gets permanently flexible once applied.If you apply this kind of caulk on any metal objects, there is a chance that the metal surface will be discolored.
But with this model, however, there is no such fear. It will not discolor most of the metal finishes. Even, it will sustain any kinds of porous metal surfaces like bricks and mortar.
An important thing that we would like to note here is, it is quite easy to use. Most of the time, beginner users get into trouble for using commercial models.But this one here is a quite familiar for even beginners.
All you need to do is hold it like a gun and apply on the selected place.
5. Gorilla 100 Percent Silicone Sealant Caulk
Gorilla 100 Percent Silicone Sealant Caulk is a model that is supposed to be more beginner friendly.
In this list of best exterior caulk for windows and other parts, it’s the second product from the inventory of Gorilla. In this period, we’ve decided to pick up a model that is supposed to be more beginner friendly. The name is Gorilla 100 Percent Silicone Sealant Caulk.
Like the first product of the list, it has quite some similarities with this one. But there are some points too where it stands out. We will disclose each of them right away-
This model here is a completely tough, clear and made of one hundred percent silicone. Like many other Gorilla caulk sealants, you can apply it on a diverse range of places. No matter if it’s the bathroom, kitchen, window, door, plumbing repairs, automotive repairs, it will be ready to apply.
Whether it’s about the outdoor application or the indoor one, this caulk sealant is a good option to go.
But if you ask for our personal recommendation, we would like to go with the indoor choices. As this glue is made of 100% silicone, you would expect a rock-solid joint on any cracks.
Once this sealant is applied on, it will be dried up quickly and completely clear visual. It will be filling up the gaps and cracks between any surface. No matter it’s indoor or outdoor, there is a solid quality of this product. And that is, it won’t get cracked or yellowed.
Like any other caulk sealants, this one also comes to be resistant against mold and mildew. So, the promise of durability is something that you have not to worry about.
To make this product quite usable, this model is available in 1, 2, 3, 4, 5 and even 6 packs. So far, this product has got the maximum number of diversity, and that’s something you would definitely love.
6. Dap 18275 DYNAFLEX 230 Premium Elastomeric Interior and Exterior Sealant
The Dap 18275 DYNAFLEX 230 Premium Elastomeric Interior and Exterior Sealant is very durable and user-friendly.
DAP-the brand has put its best effort to manufacturer this sealant in a most user-friendly way. They call it the latex sealant technology. The best two features of this product is its durability and an easy tooling capacity.
Below, we will explain both of these points-
If the durability of a sealant joint is something that you have in your wish list from this product, then you will not be disappointed at all. We have seen users to claim 6 years of durability and onward.
And about the easy tooling, it’s all about how easy this product is in use. It comes within a compact and leak-proof tube that contains the sealant. All you have to do is to put the right amount of pressure while pointing the head of the tube on the subject.
Apart from this couple of features, there are some other selling points of this sealant. First of all, it’s extremely paintable. You can use any kind of paint on it once it’s dried.
There is a tiny drawback apart from all these good things, and we would like you to be aware of this fact. And that is about the time that it takes to get dry.
Where good quality exterior caulks take around 30 minutes to dry, it takes 1-2 hours. In case you are not in a hurry, that should be okay we guess.
Another issue that we have seen many uses to come up with is the latex smell and odor. Most of the products of the market that come within a budget are accused of this issue.
But we have a piece of good news that this product over here doesn’t come up with any kind of such odor or smell.
The adhesive force that it comes with is not the best in the industry, but it’s quite okay with the home uses. Apart from that, you can use it in spaces where there are water splashes(kitchen, bathroom, driveway).
Because this seal is completely protective against water splashes and weather odds. In terms of durability, we’ve already told you that it is proven to last for at least a few years. But the brand claims something even much longer.
With the product, they ensure a 50 years of long durability. We don’t expect these sealants to last this long, do we?
The overall analysis gives us quite some positive vibes about this Dap 18275 DYNAFLEX 230 Premium Elastomeric Interior and Exterior Sealant. It’s compact, it’s perfect for indoor uses, it’s protective against environmental odds and it doesn’t stink.
And the unit comes in a 10.1oz tube, which is more than what a regular user needs.Let us know whether you’d keep this sealant into your shortlist or not.
7. General Electric GE5020 Concrete and Masonry Silicone II Caulk
The General Electric GE5020 Concrete and Masonery Silicone II Caulk is safe for your health and very resistant againt harsh weather.
It’s no wonder that General electric had been an enormously popular brand that produces handy electric goods. But when they stepped into chemical production like this one, that’s quite surprising.
But our research gives us quite a few positive signals that it’s a good product for the money. Apart from the slightly expensive price that it comes with, we loved almost all of the other features of this sealant.
Let’s break down the features into bite-size chunks below-
We are talking about exterior caulk sealants, right? If you’re up to one of these kinds of uses, this General Electric GE5020 Concrete and Masonry Silicone II Caulk would be a good choice for you.
It’s supposed to be used in outdoor environments on your patio, driveway, masonry, foundations above the ground and sidewalks as well.
Now, the next concern is, what are the objects that it adheres to. Well, as per the statement of the brand, this model adheres to materials like concrete, brick, slate, granite, asphalt, ceramic made tiles and woods. That covers almost all of the materials that we need to seal, right?
The product is made and based on 100% silicone made the formula. You may ask, what is the benefit of a 100% silicone made formula.
Well, the truth being said, it’s better for the uses and better for the health as well. Unlike acrylic, this silicone made solution will be more permanent and defend the environmental odds like a pro.
No one likes to wait in between works. But when you are up to a job of applying sealant on multiple objects, you can not just get rid of them. As like even the best products on the market, this model has protection against the environment. But the waiting time to get this seal dry is quite long.
But unless you are a professional carpenter or caregiver, you don’t have to get annoyed about this bad side of this product.
Apart from all these benefits, this sealant will not shrink, will not create cracks and withstand a good amount of external pressure.
So, you can use it on hinges, doors, windows that are in constant movements. With regular pressure, it won’t crack or get uneffective like what many of the typical models do.
However, there is some point of complaints about the price point of this model. As long as we are concerned, this rise in the price is due to the brand value, and the product quality of course.
We mean, when you are getting a 10.1oz bottle of best outdoor caulk by GE, you can not expect it to be the cheapest in the market, can you?
Our overall experience and suggestion about this silicone caulk will be in favor of this. At least for non-commercial uses, you can hardly find any better alternative of this product.
8. Dap 18128 Alex Plus Acrylic Latex Caulk
The Dap 18128 Alex Plus Acrylic Latex Caulk can be used under extreme weather conditions and is budget-friendly.
Introducing the second pick of the list from the inventory of DAP. But this time, it’s not something that we have gone through before in this list. We will tell you the differences and the unique points that it stands out in the sections below.
By the way, the name of the product is the Dap 18128 Alex Plus Acrylic Latex Caulk. Let’s go through every detail that matter to you as a user-
First thing first, it’s not a sealant that is made out of silicone. It’s based on a formula of Acrylic latex, and that combines with a mix of silicone. So, it’s a partially silicone-based speaker.
Now, this sort of chemical formation has its merits and demerits. The advantages are, a combination of latex and silicone is better adhesive comparing to the 100% silicone-based formulas.
So, if you want the adhesive force to be more than typical sealants, you can go with Dap 18128 Alex Plus Acrylic Latex Caulk.
And the demerit of this mixed formula is, you have to keep it away from water. As you know, silicone(once dried up), is completely protected against water splashes, fog, rainfall, etc. But the other materials of this chemical mix are not.
Therefore, you have to confine the uses of this product into places where there will be no water flow at all. If you make that certain, this caulk sealant will serve you at it’s fullest.
ASTM specification is a standard of quality that is obeyed by the manufacturer that prepare silicone based caulk sealants. And the product that we are discussing right now, passes the ASTM specifications.
So, no worries about any hazards or worries regarding this model. The amount of the pack that it comes within, is just 5.5oz. This might look a little less than what we have seen previously in other picks.
But if you think about non-commercial, occasional users, they will find it pretty useful. It won’t cost you a buck for a 10oz bottle, and it will still serve you with complete seals. The tube also contains a concave, pointy head, which makes the usability better.
The color of this sealant is not completely transparent. But you don’t expect it to be so as it’s not a 100% silicone based formula. Instead, the color is white, and users seem not to have any issue with that.
The brand promises a durability of 35 years, which sounds sweet. But we will be happy if it lasts for at least 5-6 years or more, won’t we?
9. GE XST Extreme Silicone II White Sealant
The GE XST Extreme Silicone II White Sealant has an immense amount of adhesive power.
GE XST Extreme Silicone II White Sealant is the next pick that we would discuss at our slot number 9. At this point, we’ve got another general Electric product, which is a combined formula of silicone and acrylic.
Just as you seem these kinds of formulation has it’s merits and demerits, and we will discuss them right away.
The formula combines silicone and an acrylic chemical compound. And both of these has it’s benefits. The benefit of having silicone is, it will provide you with an immense amount of adhesive power.
And the power of acrylic lies within paintability. You can paint on it with any kind of paints, once it’s dried up and ready to expose to the weather.
Apart from the protection from paints, this sealant is also protective against mold and mildew buildup. As you have seen, these two are the biggest threat for a place that has silicone based seal on it.
But as the brand itself claims a 7 years of protection and durability, this sounds quite promising.Like any other models of General Electric, this one has also got an ASTM certification along with it.
With such a certification, it passes the critical safety and chemical standards. It’s another good point for the product for sure.
No matter if it’s an exterior situation or an interior one, you can be sure of the level of protection this seal is providing. It’s protective against shrinks, cracks, and pressure.
No matter how large or critical any gap is, this sealant will be the ultimate step towards it.As we have said before, you can clean it with water and paint it right away. Because of the presence of silicone, the first feature is possible to offer.
And because of its presence of latex, the second feature is possible to offer by the brand. No matter it’s latex based paint or oil-based paints, this product will make sure maximum protection.
To clean up this seal even at a painted condition is quite easy. All you have to do is to make a mix of soap and water and go through the surface of the joint.
The oil, dirt or any similar threats won’t harm the existence of the seal anyway. Like the first GE pick that we’ve got in the list, this one also comes with a 10,1 unit.
So you can either buy it for a few months of assurance for home projects or you can take this from a commercial perspective. From both points of view, that’s quite acceptable term.
10. Red Devil 0777 Lifetime Ultra Premium Elastomeric Acrylic Latex
The Red Devil 0777 Lifetime Ultra Premium Elastomeric Acrylic Latex promises a durability of a lifetime as its name suggests.
Red Devil had given us several products on this list, and this is just another newly released one from them. This one as you can see, promises a durability of a lifetime and that’s what we have kept our trust on.
Apart from its ultra durability, it contains quite some features that we will talk about gradually.
First of all, there comes the color diversity. As you have seen before, sealants are in a transparent color or color or white. But this one here seems to be a pretty different one.
There are transparent, white, red, black, off white, maroon, grey and a dark brown color that you can choose from. In case you want to make the sealant of the same color to your wooden product, this would be the ideal one to go.
The material of this seal is made out of acrylic and latex. So there is no presence of silicone, as you can see. This change in the chemical formula has quite some significance.
The first one is, it’s not that much protection against rain splashes, water, and fog. So, you can make use of it in dry outdoor condition, but not in indoor places like the kitchen, bathroom, etc.
As per the statement of the manufacturer, there is a Home Shield Anti-microbial protection provided in this sealant. The benefit of this protection is, it will keep the mold and mildew kind of threats away, and this is proven several times from its user’s reviews.
A lifetime guarantee of durability, a solid adhesiveness, a diversity of clour- these are the key roles that this Red Devil 0777 Lifetime Ultra Premium Elastomeric Acrylic Latex will play.
Hopefully, that will check all of your qualities if you’re thinking of a sealant for dry places.
11. Red Devil Painters Caulk
The Red Devil Painters Caulk is suitable for both indoor and outdoor uses and is budget-friendly.
The last pick of the list is kept to be bulk users who need exterior caulk sealant for professional purposes. This one is called the Red Devil Painters Caulk, and there are 12 pieces of tubes in it. In case you’re in need of regular basis of selling, this one might be the perfect choice for you.
We will show you the features in details below-
First thing first, it’s made out of an acrylic formula, without any potion of silicone. As we had said several times before, acrylic based sealants have a supreme adhesiveness, but they don’t come with a feature of protection against the weather.
If it’s something that has no exposure to water, then this sealant can be the right choice for you. As it’s driven by acrylic, this can be painted with any kind of paint.
So, if your subject is furniture or a part of the home interior, you can apply this sealant and make paint of the same color right away.
The perfect subjects that receive no issue with this product are unpainted wood, plaster, drywall, brick, metal, aluminum, glass, etc. As long as regular carpentry works are considered, this list covers almost all of them.
To clean up the seal made with this product, you don’t have to cost a fortune. As long as the cleaning process contains a mix of water and detergent mix, this can be easily cleaned up and re-shined.
The protection against environmental odds is secured. But it’s specialty lies within its protection against mildew. We are not so sure whether it would be a perfect protector of your subject from the mold. So, beware of that fact.
The company has a life long reputation since 1872 to prepare goods that are supreme quality. So, you can definitely put your best in favor of this sealant.
This model is available in 1 and 12 packs, which is another good thing about this product. Usually, professional carpenters and people who serve with home remodeling, seek for something that comes in bulk.
And this product here would be the ultimate choice of them. Comparing to their 12-unit models, those Red Devil Painters Caulk comes with so budget-friendly price tag.
Overall, it might be new in the industry of caulk sealant, but the overall quality is quite impressive. Therefore, we recommend this model for professional, commercial and semi-commercial uses.
How to Apply Caulk on the exterior of the house
At this point in the article on best caulk for exterior windows and doors and others, we would like to assist you with a complete guide on how to apply caulk on the exterior of the house, and which are the ideal places.
First of all, it’s the type of places and subjects that are eligible for caulking. Let’s have a look on the list-
- Corners where the boards are joint.
- Soffits or the plywood underneath the joints.
- Windows and doors and their edges.
- The siding where there are cracks.
- The base of the columns of the house.
- The joints of the rail system.
- The panels of the bay windows.
If you talk about the exterior, these are the most common places where it’s essential to apply caulk sealants. Once you’ve decided the place, here are the steps-
Step 1: Cut the Caulk tube
Most of the caulk sealants come in a tube container. For applying it with consistency, you’ve to cut them up.
To cut the tube tip, make it at an angle of 45 degrees. Then, take a long nail and insert it through the tip. This is being done to break the internal seal of the container.
Step 2: Make the surface ready
If the subject that you have planned to apply this sealant contains already some caulking, you have to remove that at this stage. Before removing, make sure that the caulking is not functioning by now.
Once done, take a stick to strip them out and they should come off easily. However, if the caulking is still in an active stage, you should rather plan the work a few weeks later.
Step 3: Apply the new caulk
Once the surface is ready to be applied, it’s time to take the new tube and apply it according to the instructions.
Make sure that the distribution and the density of the caulk sealing is uniform throughout the surface. Once done, let it dry for about a couple of hours.
Different Types Of Exterior Caulk
Based on the chemical formula, the materialistic properties, and many other factors, there are a handful of chalks that are available in the market. Even based on the application procedure, this diversity takes place.
Therefore, here is a glimpse of all the types of exterior caulk tubes-
Type 1: Acrylic Latex Caulk
Acrylic latex based caulks are the most familiar and probably the most common types of caulk sealants available. They are based on acrylic and latex based chemical combination.
In practice, they are supposed to cover small holes, cracks, and works as an adhesive between painted surfaces.
They work on wood, masonry, drywall, and other porous surfaces. These are the best exterior caulk for brick as well.
Type 2: Vinyl Latex Caulk
In this version of caulks, there is no soft water-soluble acrylic used. Therefore, the formula is based on vinyl only. The difference between this one with the first variant is- it comes to be a complicated process to apply. But the durability of it is much better than acrylic vinyl caulks.
Type 3: Silicone-Acrylic Caulk
The third variant is a combination of silicone and acrylic. It’s not a 100% acrylic based and not a 100% silicone based sealant either.
Instead, a balanced combo of both of these materials is used to manufacture this product.
It’s a little tougher to take off from the subject, but it works great on surfaces line porcelain, metal, and glass. There is a great adhesive force along with the waterproof feature.
Type 4: Pure Silicone Caulk
The last type of caulk that we would like to focus on is made of 100% silicone. In fact, we have covered a number of products like that in this list. As they are made of complete silicone, the number one selling point of this product is- they are waterproof and weather-friendly.
Specially when it’s about the non-porous surface, this kind of caulks works the best. They are super flexible and strong in nature but they are kind of non-sticky to porous surfaces like wood.
Polyurethane Caulk vs Silicone Caulk: Which One To Choose?
Two of the most used caulk types are polyurethane caulks and the infamous silicone-based caulks. At this moment, we’ll demonstrate a comparative analysis of these two-
When it’s about a sealant caulk, the lifespan is quite an important feature. The polyurethane-made sealants can last 5-10 years typically. On the other hand, silicone made sealants last from 20+ years at best.
So, at the end of the day, the lifespan of silicone made caulks are better.
The Temperature Sustainability
If your subject is exposed outdoors under direct sunlight, the sustainability of temperature is quite an important factor. As a matter of fact, the sustainability of silicone-based picks is better than polyurethane made ones.
So, if there are thermal cycles(like places at mid-Atlantic have), silicone made caulks are the better choice.
The third point of difference between these two types of sealants is the cost. We all know that both of these kinds are made on an industrial basis. So the only point of difference is the materialistic cost.
In terms of cost, polyurathene made models are less expensive than silicone made ones. So if the price point is that much of a big concern for you, you can go for polyurethane made models instead of silicone-driven ones.
Frequently Asked Questions
Alright, we are at the dead end of best exterior caulk article. Hopefully, you’ve taken important notes and made a shortlist of your own. All you have to do is, ensure a top-notch price-quality ratio and make sure that the products fit your requirement.
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