7 Best Stucco Sealer Reviews With Buying Guide For 2022

Stucco is actually a very durable and long-lasting material for your walls. It makes your interiors look fantastic and gives the interiors an overall boost, look-wise.

On the other hand, the only thing that can spoil your stucco work is water. Now, imagine how tricky it would be to make a house out of stucco. Luckily, you have nothing to worry about as we have the perfect solution to your problem.

We are going to introduce you to seven stucco sealers that can arguably be called the best stucco sealer in the business. These would efficiently waterproof your structures, and hence, would enhance the endurance and longevity of the products even further.

Buckle up!



Editor's Rating


Miracle Sealants 511QT6-511 Impregnator Sealer

5 Out of 5

Rain Guard Water Sealer

5 Out of 5

Water Based Silane Siloxane Sealer

5 Out of 5

Kilz L390201 Interior/Exterior Sealer

4.5 Out of 5

Water-Based Saline Siloxane Sealer

4 Out of 5

top 7 Best stucco waterproofing sealer Reviews

Let us introduce you to some of the finest stucco sealers in the market! You no longer need to spend countless hours screening numerous products to find the right one. Hence, shall we begin?

1. Miracle Sealants 511QT6-511 Impregnator Sealer

Well, Miracle sealant is a true blessing and a miracle when it comes to sealing your stucco works as well as any work regarding masonry and construction. The item is capable of waterproofing almost all varieties of surfaces on the inside and the outside.

Here is a list of the things that it can work on: ceramic tiles, sanded grout, porcelain tiles, glazed tiles, travertine, stucco, marble, granite, slate, terrazzo.

And the list keeps ongoing. Hence, we can assure, the masterpiece has got your back all the time, no matter what sort of surface you are going to work on.

Now, you must be wondering how it can cover so many varieties of surfaces. Well, its formula consists of oil and water-resilient substances, which authorizes the item to protect your stucco work on almost all kinds of exteriors.

Plus, the container has roughly one quart of the solution that can cover up to 1000 square feet of area.

Besides, applying the solution to anything is no big deal. Since you can effortlessly apply the solution on all kinds of surfaces, we are sure that you would be having a fun time when using it. Furthermore, you can attain all these excellent features at very reasonable pricing.

No wonder why some people consider it the best stucco sealer in the market.

Our Related post: 511 impregnator sealer Reviews with Buying Guide.

Highlighted Features:

  • Using the product is a breezy task.
  • No complex procedures.
  • You can acquire the product at a very inexpensive pricing.
  • Contains a formula that authorizes the solution to penetrate the surface.
  • Zero harmful chemicals were used in its making.

2. Rain Guard Water  CR-0360 stucco Sealer

Do you know what makes this one of the best stucco crack sealers in the business? To start off, it has a water-based formulation, which authorizes the liquid to move into the cracks and cover them up. Therefore, making your work completely water resilient.

Also, due to this feature, we can guarantee that it is a fine choice for a safe environment for a family. Plus, the product can be used for all sorts of construction jobs, such as masonry sealing, concrete sealing, etc. Hence, we assure you the product has got your back almost all the time.

Now, are you wondering how much area can you cover using such a product? The unit contains enough of the solution to cover approximately 350 square feet. Thus, we are quite sure that you would be able to finish your work with a couple of containers.

By the way, using the solutions is a very breezy chore. All you have to do is spray the solution over the stucco surface (uniformly spread it out), and you are good to go.

Highlighted Features:

  • One container can cover a sizeable measurement of a surface.
  • Applying the liquid over a stucco surface is an effortless task.
  • You can store the container anywhere in your home.
  • Features a zero-toxic composition, which ideal for houses.
  • Can be used for all kinds of stucco covering tasks.

3. 5-Gal SX5000 WB Stucco Sealer | Concrete Seale

Best Silane Siloxane Sealer

Few sealers in the market can compete with this behemoth of the stucco sealer world. First and foremost, unlike all the other stucco sealers available in the market, this one offers its users with 5-gallons of the A-grade solution.

Therefore, we can assure you that you won't need more than two or three of SX5000's 5-gal sealer.

However, the sheer quantity of the item does not make it a must-have. It features a breathable water-based formulation, which not only makes using the merchandise safe for home purposes but also permits you to use the product with relative comfort.

Next, the finish that this unit provides its users is just marvelous. You see, due to its excellent composition, the liquid is capable of holding the texture and color of the stucco and, thus, furnishes you that enticing look.

Are you wondering how long is this stucco sealer going to last? We can guarantee that the coating will remain unscathed for at least seven to ten years. So, once you are done applying the layer onto your home, you enjoy all of these for a long time.

Highlighted Features:

  • Offers you an extensive amount of stucco sealing solution.
  • Water-based solution grants effortless application and a safe environment.
  • There are no intricate procedures that you have to follow to use the product.
  • Is going to last for a very long time without fail.
  • Can be used for a variety of sealing projects.

4. Kilz L390201 Interior/Exterior Sealer

Do you want a sealer capable of working on both the interiors and the exteriors? Well, if you do, then we have the right product just for you! The L390201 from KILZ is a top-notch stucco sealer that is more than capable of sealing all kind of surfaces on the inside and the outside of your home.

And you would love how the liquid looks once you have applied it on your walls. It is an acrylic-based sealer that prevents your home's yellowing and ensures to keep your home looking aesthetic.

Along with this, applying the product in your house is a very straightforward task. You would be glad to know it is compatible with almost all types of brushes, rollers, etc. Thus, permitting you to use the item with grave ease. Moreover, the amount of liquid provided is quite large.

Approximately one gallon of liquid is provided, which allows you to cover 250 to 400 square feet. Therefore, we are confident that you would be able to cover an entire house quite effortlessly. Besides, the product can be used for all sorts of sealing tasks.

And lastly, the inexpensive pricing makes it a great contender for the “best sealer for stucco” title.

Highlighted Features:

  • You can sue the product for all kinds of sealing projects.
  • Has a fantastic formulation that assures top-class sealing.
  • Using the product is a very straightforward task.
  • There is no need to follow any intricate pre-prepping procedure.
  • Grants you an abundant amount of the solution.

5. 1-Gal SX5000 WB DOT Water-Based Saline Siloxane Sealer

Water Based Silane Siloxane Penetrating Concrete Sealer, Brick Sealer, and Paver Sealer

We already know that SX5000 is one of the big guns in the world of sealers. And the 1-Gal SX5000 is an ideal testament of their supremacy over most of the sealing products in the market. Shall we find out more about the product?

First of all, the unit is quite affordable. You see, roughly one gallon of the item is provided to its user, which is more than enough to cover a sizeable area from a single container. Furthermore, the product has a natural water-based formulation that ensures the walls look beautiful and authentic.

Moreover, even though it has a world-class solution, its composition has zero toxic elements in it. One good thing about it is that it highlights low VOC, low toxicity and is still capable of holding your home's gorgeous outlook.

A plus of such an attribute makes it safe to be used in houses as it does not jeopardize the occupants' health.

Once you are done applying the solution, we can assure you that it will last for seven to ten years without fail. Now, do you understand why we are recommending this product to you?

Highlighted Features:

  • Uncomplicated usage.
  • You are granted a high amount of the product.
  • Once you are done applying, the coating will last for roughly 7-10 years.
  • You can use a pump sprayer or garden hose to apply the product to your walls.
  • Contains a non-toxic, low VOC and effective composition.

6. ECO Advance Stucco Sealer | Masonry Sealer

From the name, it is not very difficult to deduce that ECO Advance considers the well-being of our environment as its top priority. Therefore, from its products, you can expect almost no-toxicity or fatal components. Thus, making it the ideal sealer that can be used for homes.

Furthermore, it has such a marvelous composition that we can assure your home will look just as beautiful as before the coating. Due to such an attribute, we are confident that your house will remain aesthetic but will retain the wondrous sealing capabilities provided by the product.

Plus, it has a breathable formula, which prevents moisture from being trapped within the stucco. We already know that water of any kind can be troublesome for stucco, but if you use this item, then you can deal with such a con quite efficiently.

And you can utilize all these attributes for different categories of masonry and construction tasks.

One more interesting fact, you can enjoy all the world-class attributes at an affordable rate. Does that sound too good to be true? Well, fortunately, we bear the good news that you can have all the features stated earlier by spending a very minimum amount.

Highlighted Features:

  • Affordable pricing.
  • There are no intricate things that you have to do before you can use the sealer.
  • Has an excellent formula.
  • Guarantees to prevent the formation of moisture.
  • Highlights a solution that is non-toxic and is eco-friendly.

7. Rain Guard Water Sealer SP-9004 Paint Sealer

Well, SP-9004 is an excellent choice if you do not want to spend heft bucks on a sealer. Nevertheless, just because it is affordable, do not mistake it for being an unreliable sealer.

First and foremost, at such an affordable rate, you receive approximately 1-gallon of the solution, which is more than enough to cover around 150 square feet.

Moving on, it is a paint sealer, so it is a two in one item. By that we mean, it is a paint that has sealing capabilities, which should enable you to give your work a more interesting makeover.

The solution has a micro-Lok function, which authorizes the product to go deep into the surface and form bonds. These bonds are hydrophobic, which is perfect for keeping the water out of the structure. And, once you are done applying the layer, it would need around one hour to dry out.

By the way, it is resilient to multiple kinds of weather. Therefore, assure you that the coating is going to have your back no matter what the conditions. Even though it is a color-based sealer, we can assure you that it will not alter the texture of the stucco.

Highlighted Features:

  • Uncomplicated usage.
  • Can be used as a sealer and as paint.
  • Contains a sizeable amount of the solution.
  • Suitable for all types of weathers.
  • Durable and long-lasting.

Comparison Table for Stucco Sealers


Amount (in Oz)


Overall Weight

Miracle Sealer 511QT6-511

1-Quart (40-Oz)

1,000 Square Feet


Rain Guard CR-0360 Water Sealer

1-Quart (40-Oz)

750 Square Feet


5-Gal SX5000 WB DOT Approved


175 Square Feet


KILZ L390201 Interior/Exterior Sealer


250 to 400 Square Feet


1-Gal SX5000 WB DOT Approved 


175-Square Feet


Eco Advance EACON16CON Waterproofer




Rain Guard Water Sealer SP-9004


150 Square Feet


stucco waterproofing sealer Buying Guide

Whether it is for applying a new layer of stucco or to redo a previously done stucco wall, you need to aim for the best stucco sealer to have a satisfactory outcome. Now, that might not be a very straightforward task.

Hence, to make that undemanding for you, we have composed this section, which contains all the information you need to get yourself the most amazing stucco sealant. So, should we start our journey to find the best of the best?

Stucco Sealer Buying Guide

1. Formula

We already know what stucco is made from, and we need the sealer to make your house waterproof as stucco's weakness is water. To do that, you need to check the composition of the sealer that you are opting for. Now, the big question is, out of so many options, which one is the best choice to seal a stucco wall!

It depends entirely on personal preference. However, we suggest that you lean for water-based liquids. They are easy to apply, and once you are done applying and letting them dry, we can assure you that they will give you one of the best results.

2. Price

Everything is about money in this era. The prices of all the things in our world are constantly rising. And people who are the most successful make wise and well-planned decisions when it comes to finances. So, when you are buying a stucco sealer, we suggest that you make a budget.

If you have a budget, you will know the ideal price range for you, and you can select the best out of the specified price range. Thus, saving money and preventing you from overshooting your estimation would result in you being able to buy several other things for the project in hand.

In short, we are asking you to be financially efficient in making this choice.

3. Convenience

With such kind of things, you do not have to worry about storage, mobility, etc. Nevertheless, when it comes to sealers, the convenience factors depend on other things like easy mixture, swift appliance, etc. Hence, you should check these out before you make the purchase.

The things that you have to consider are:

How easily can you mix the stucco?

What are the things you have to consider before applying it (the lesser you worry, the better)?

How long does the stucco take to dry-off?

4. Dry-Off

When you are sealing your stucco works, we are confident that you do not want to wait for days so that the stucco dries off. Nevertheless, you can avoid the hassle. You see, on the back or front of the package, you would be able to find all these necessary details.

Anyway, just for your convenience, we are providing you with this table.

40 F

75 F

100 F

To touch




Light Foot Touch




Heavy Foot Touch/ Tire traffic




To Cure

7 Days



5. Coverage

Now, this factor varies from product to product. And, before you buy sealers, it is imperative that you know how much area you can cover using it. Luckily, this is another information that you would find on the back of the product.

You can cover approximately 100 square feet per gallon; that’s a rough estimation.

FAQs- Frequently Asked Questions

How Long Does A Stucco Sealing Last?

Well, the longevity of a stucco sealing depends on a lot of aspects, such as the quality, quantity, etc. However, if you have applied a stucco that is high to mid-quality, we can assure you that it should last for at least three to four years.

Can You Suggest The Most Efficient Way Of Applying A Stucco Waterproof Sealant?

The most efficient and effective method of applying stucco is via a garden hose. Once that is done, make sure that the solution is evenly applied throughout the stucco's surface.

What Is The Average Price Of Stucco Sealers?

Stucco is quite expensive. Even a low-end stucco sealer work might set you back from 250 to 4,800 dollars.

Is It Difficult To Apply Stucco Sealers?

No it is not a very difficult job. And if you keep on doing it, you shall become more proficient.

How Much Surface Area Can One Ounce Of Stucco Cover?

If 5-pounds of stucco can cover roughly 30 square feet. Then, once ounce would be able to cover 0.375 square feet; however, this is just an estimation.

Final Word

Our article contains all the necessary pieces of information in our buying guide, which should help you find the best stucco sealer with ease. Now, you do not have to spend hours finding the right kind of stucco for your work. Plus, there are several other assistive information provided in our FAQ section.

Lastly, we want you to have the best of the best for yourself! And that is what we have delivered to you. Here you may have found some of the most promising stucco sealers in the business.

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