Exterior Stone Sealers – Best Sealers

Posted on December 17, 2023 by TSS Pro Sealants

Protect Your Exterior Stone with the Best Exterior Stone Sealers: DIY Application Guide

Exterior Stone Sealers

Different Types of Exterior Stone Sealers

When it comes to protecting your exterior stone surfaces, choosing the right sealer is crucial. There are various types of exterior stone sealers available on the market, each with its own unique characteristics and benefits. Understanding these different types can help you make an informed decision on which sealer is best suited for your specific needs.

One common type of exterior stone sealer is penetrating sealers, also known as impregnating sealers. These sealers work by penetrating deep into the pores of the stone, creating a protective barrier against moisture, stains, and other forms of damage. Penetrating sealers are often recommended for porous stones such as limestone or sandstone, as they provide excellent protection while still allowing the stone to breathe. They are typically long-lasting and do not alter the natural appearance of the stone.

Another type of sealer commonly used for exterior stone surfaces is surface sealers. As the name suggests, surface sealers form a protective layer on top of the stone rather than penetrating it. This type of sealer is ideal for non-porous stones like granite or marble, as it helps to repel water and prevent staining. Surface sealers can enhance the appearance of the stone by adding a glossy or matte finish, depending on your preference. However, they may require more frequent reapplication compared to penetrating sealers.

Type Description Suitable Stones
Penetrating Sealers Absorbs into the stone pores, providing excellent protection while maintaining the natural appearance Limestone, Sandstone
Surface Sealers Forms a protective layer on top of the stone, enhancing its appearance and providing water resistance Granite, Marble


Think of penetrating sealers like sunscreen that gets absorbed into your skin to protect it from harmful UV rays, while surface sealers are like wearing a raincoat that forms a barrier on the outside to repel water.

Pros and Cons of Natural Stone Sealers

Natural stone sealers are specifically designed for preserving and protecting the natural beauty of stones like limestone, slate, or travertine. Understanding the advantages and disadvantages of using natural stone sealers can help you determine if it is the right choice for your exterior surfaces.

One significant advantage of natural stone sealers is their ability to enhance and deepen the color of the stone. By bringing out the natural tones and patterns, these sealers can give your exterior surfaces a vibrant and appealing look. Additionally, natural stone sealers provide protection against staining by creating a protective barrier that repels liquids like oil, water, or wine. This makes them particularly useful for areas prone to spills or high traffic.

On the flip side, one potential drawback of using natural stone sealers is that they may alter the appearance of the stone. Some sealers can darken or add a sheen to the surface, which may not be preferred if you want to maintain the original look of the stone. Additionally, natural stone sealers may require more frequent reapplication compared to other types of sealers due to their exposure to environmental factors like sunlight, weather conditions, or foot traffic.

While some might argue that altering the appearance of natural stones is undesirable, others appreciate how these sealers bring out the richness and depth in their exteriors. It ultimately comes down to personal preference and understanding what trade-offs you are willing to make in terms of aesthetics versus protection.

Pros and Cons of Synthetic or PVC Exterior Stone Sealers

When it comes to protecting your exterior stone surfaces, synthetic or PVC sealers are often a popular choice. These types of sealers are formulated with polymers that create a barrier on the surface of the stone, offering protection from various elements. However, it’s essential to weigh the pros and cons before deciding if synthetic or PVC sealers are right for your specific needs.

One of the significant advantages of synthetic or PVC sealers is their durability. These sealants form a strong protective layer that can withstand exposure to harsh weather conditions, UV rays, and even pool chemicals. This durability ensures long-lasting protection for your exterior stone surfaces, reducing the need for frequent reapplication.

For instance, imagine you have beautiful natural stone pavers surrounding your pool area. The constant exposure to water, sunlight, and chemicals can cause significant damage over time. By applying a synthetic or PVC sealer, you create a strong shield that prevents water absorption and chemical erosion, preserving the quality and appearance of your pavers for years to come.

However, it’s important to consider some potential drawbacks as well. For example, synthetic or PVC sealers may not provide as natural of a look as other types of sealants. Some homeowners prefer a more organic appearance for their exterior stone surfaces, and these sealers might alter the original aesthetics.

Another aspect to keep in mind is the application process itself. Synthetic or PVC sealers typically require precise application techniques to achieve optimal results. Improper application can lead to uneven coverage or even a glossy finish that may not be desired. It’s crucial to read and follow the manufacturer’s instructions carefully when using these types of sealants.

  • Synthetic or PVC sealers are a durable option for protecting exterior stone surfaces. They create a strong barrier that can withstand harsh weather conditions and chemicals, reducing the need for frequent reapplication. However, they may alter the natural appearance of the stone and require precise application techniques for optimal results.

Advantages of Applying Exterior Stone Sealers

Applying an exterior stone sealer offers numerous benefits that can help safeguard your investment and enhance the longevity of your outdoor surfaces. Whether you have natural stone pathways, walls, or decorative features, using a quality sealer is crucial for optimal protection.

One key advantage of applying an exterior stone sealer is enhanced resistance to weather damage. Outdoor stone surfaces are constantly exposed to the elements, including rain, snow, sunlight, and temperature fluctuations. These environmental factors can lead to erosion, fading, cracking, and discoloration over time. By applying a sealer, you create a barrier that prevents moisture penetration and shields the surface from these damaging effects.

Imagine your home has a beautiful flagstone patio where you enjoy spending time with family and friends during warm summer evenings. Without proper protection, this patio can become susceptible to water absorption, leading to freeze-thaw damage or mold growth between the stones. However, by applying a high-quality exterior stone sealer, you significantly minimize these risks and keep your patio looking pristine for years.

In addition to weather resistance, an exterior stone sealer also offers excellent stain protection. Outdoor spaces such as driveways or entertaining areas are prone to spills from food, beverages, oil drips from vehicles, or even leaf stains. The right sealer creates a barrier that hinders stains from penetrating the stone surface, making cleanup easier while maintaining its original appearance.

Moreover, an exterior stone sealer can enhance the natural beauty of your surfaces. Some sealers are formulated to enhance the color and texture of the stone, giving it a deeper and richer look. This can add aesthetic appeal to your outdoor spaces, further elevating the overall appearance of your home.

The advantages of applying an exterior stone sealer extend beyond weather protection and stain resistance. By investing in proper sealing, you not only preserve the integrity of your stone surfaces but also elevate the beauty and value of your property.

Guarding Against Weather Damage

The exterior of our homes is constantly exposed to the elements, enduring harsh weather conditions that can wreak havoc on our precious stone surfaces. Rain, snow, UV rays, and temperature fluctuations can lead to erosion, discoloration, and even cracking. Protecting your exterior stone with a high-quality sealer is essential in guarding against weather damage and preserving its beauty for years to come.

Reliable exterior stone sealers create a protective barrier that prevents moisture from penetrating the surface. This is particularly important in regions with heavy rainfall or high humidity levels. By sealing your stone surfaces, you shield them from water damage, such as staining caused by algae or mold growth. The sealer forms a hydrophobic layer that repels water, ensuring that no moisture can seep into the porous stone material.

Consider the example of a homeowner living in a coastal area subject to saltwater spray. Without proper protection, the saltwater can penetrate the stone surface and cause erosion over time. However, by applying a quality sealer designed for coastal environments, the homeowner forms a barrier against salt intrusion, preventing corrosion and extending the longevity of their stone surfaces.

UV rays from the sun can also cause significant damage to exterior stone. Prolonged exposure can lead to fading and discoloration, diminishing the vibrancy and appeal of your once beautiful stonework. A premium sealer acts as a shield against harmful UV radiation by reflecting those rays away from the stone’s surface. This not only maintains its color but also ensures its structural integrity remains intact.

Improved Stone Longevity

Stone surfaces are an investment that adds value and aesthetic appeal to any property, be it a beautiful limestone patio or an exquisite granite façade. To ensure that these valuable assets stand the test of time, it’s crucial to prioritize stone longevity through proper maintenance and protection.

By applying a high-quality sealer, you create a durable barrier that shields your stone surfaces from daily wear and tear. It acts as a protective shield against scratches, stains, and chemical damage, extending the life of your stonework and minimizing the need for costly repairs or replacements.

Imagine you have a beautiful travertine pathway in your garden. As time passes, foot traffic and exposure to elements can gradually wear down the surface, causing it to lose its luster and become susceptible to damage. However, by regularly sealing the travertine with a quality product formulated specifically for this type of stone, you enhance its durability, keeping it looking pristine for years to come.

Moreover, exterior stone sealers help prevent cracking and chipping of stone surfaces caused by freeze-thaw cycles. When water penetrates the pores of stone and freezes, it expands, placing immense pressure on the material. Over time, this can lead to structural damage. However, with a protective sealant in place, moisture is blocked from entering the stone’s pores, reducing the risk of cracks and chips caused by freezing water.

Maintenance Tips for Sealed Stone Surfaces

Once you’ve taken the important step of sealing your exterior stone surfaces, it’s vital to implement proper maintenance practices to ensure longevity and effectiveness. With the right care, you can protect your investment and keep your stone looking pristine for years to come.

One crucial aspect of maintaining sealed stone surfaces is regular cleaning. It’s essential to clean your stone frequently to prevent dirt, stains, and debris from accumulating and causing damage. This can be done using a mild soap or stone-specific cleaner and a soft-bristle brush. Avoid using abrasive cleaners or scrub brushes that may scratch the surface of the stone.

For instance, if you have a gorgeous limestone patio at your home, regularly sweeping away loose debris and wiping up spills can prevent staining and deterioration over time. Using a gentle cleanser designed specifically for limestone will help maintain its natural beauty without causing any harm.

It’s also important to address spills promptly to minimize the risk of staining. If you spill something on your sealed stone surface, blot it immediately with a clean cloth or paper towel. Avoid wiping or rubbing the spill as it can spread and seep into the stone more deeply.

Imagine hosting a gathering on your beautiful sandstone walkway when someone accidentally spills red wine. By acting quickly, grabbing some paper towels, and gently blotting the spill, you can prevent the wine from penetrating the stone pores and leaving an unsightly stain behind.

Sealed stone surfaces should be protected from harsh chemicals that could potentially strip away the sealant or cause discoloration. When choosing cleaning products, look for pH-neutral options that are safe for use on sealed stone surfaces. Always follow the manufacturer’s instructions for any cleaning products you use.

Another key aspect of maintaining sealed stone surfaces is ensuring proper drainage. Standing water can damage both the sealant and the underlying stone material. Make sure that water is not pooling on your stone surfaces, especially after rain or irrigation. Create suitable slopes or install a drainage system to redirect water away from the stones.

By implementing these maintenance tips, you can prolong the life of your sealed stone surfaces and keep them looking their best. Regular cleaning, prompt spill cleanup, using gentle cleansers, and ensuring proper drainage are all important practices that contribute to the overall maintenance of your stone.

Selecting the Right Stone Sealer for Your Needs

Choosing the correct exterior stone sealers are essential to ensure optimal protection and longevity for your exterior stone surfaces. With numerous options available, it’s important to understand the different types of sealers and their compatibility with various types of stones.

Before making a decision, consider factors such as the type of stone you have, its porosity, location (indoor or outdoor), and specific environmental exposures it may face. Each type of stone has unique characteristics that require specific sealing properties to provide maximum protection.

For instance, if you have a travertine patio located in an area with high foot traffic and frequent exposure to sunlight and moisture, you’ll want to choose a high-quality penetrating sealer specifically formulated for travertine. This will ensure deep penetration into the porous surface while providing long-lasting protection against UV rays, water damage, and color fading.

When selecting a stone sealer, be sure to check its compatibility with your specific type of stone. Manufacturers often provide guidelines or recommendations for which stones the sealer works best on. It’s crucial to follow these guidelines to ensure proper adhesion and effectiveness.

Let’s say you have a beautiful slate pathway leading up to your front door. To maintain its natural appearance while protecting it against stains and wear, opt for a water-based, penetrating sealer specifically designed for slate. This type of sealer will enhance the natural colors and texture of the slate while providing protection against oils, water penetration, and freeze-thaw damage.

Consider the desired appearance as well. Some sealers enhance the stone’s natural color and give it a slight sheen, while others offer a more matte finish. Think about how you want your stone to look and choose a sealer that aligns with your aesthetic preference.

Lastly, be mindful of the application process and drying time. Some sealers require multiple coats or extended drying periods before their full protective properties are realized. Follow the manufacturer’s instructions carefully to ensure proper application and maximum effectiveness.

Sealers for Different Stone Types

When it comes to protecting your exterior stone, it’s essential to choose a sealer that is specifically formulated for the type of stone you have. Not all sealers work the same on every stone surface, as different types of stones have unique characteristics and porosity levels. Here are some common stone types and the recommended sealers for each:

  • Limestone: Limestone is a porous stone that requires a sealer capable of deep penetration to provide unparalleled protection. TSS Pro Sealants offers a specialized limestone sealer that is designed to penetrate deeply into the stone, creating an effective barrier against water, stains, and other damaging elements.
  • Concrete: Concrete surfaces can vary in texture and exposure levels, which means different sealers may be needed. For exterior concrete exposed to harsh weather conditions or heavy foot traffic, TSS Pro Sealants offers high-quality concrete sealers that provide excellent protection against moisture, UV rays, and wear.
  • Slate: Slate is known for its beautiful natural color variations and textured surface. To enhance and protect the natural beauty of slate, TSS Pro Sealants recommends using a slate sealer that provides long-lasting protection while highlighting the unique characteristics of the stone.
  • Brick: Brick surfaces require a sealer that can penetrate deeply into the porous material while still allowing it to breathe. TSS Pro Sealants offers brick sealers that prevent water damage, mold growth, and efflorescence while maintaining the natural appearance of the brick.
  • Sandstone: Sandstone is a delicate stone that requires gentle care and protection. TSS Pro Sealants provides sandstone sealers that offer superior stain resistance without altering the stone’s natural color or texture.

For instance, suppose you have a beautiful patio made of limestone that experiences heavy foot traffic and is exposed to the elements all year round. Using a limestone sealer specifically formulated for high traffic areas can help maintain the stone’s integrity and longevity, preventing stains, water damage, and deterioration.

Considering Price and Quality

When it comes to selecting exterior stone sealers for your exterior stone, both price and quality are crucial considerations. While it may be tempting to opt for the cheapest option available, it’s important to remember that the quality of the sealer directly impacts its effectiveness and longevity.

High-quality exterior stone sealers like those offered by TSS Pro Sealants are designed to provide superior protection for extended periods, ensuring that your investment in protecting your exterior stone is worthwhile. These sealers offer durability, resistance against stains and weathering, and long-lasting performance.

Price should not be the sole determining factor when choosing a sealer. Instead, consider the value that a high-quality sealer brings in terms of protecting your valuable exterior stone surfaces. Investing in a reliable sealer will save you money in the long run by reducing maintenance costs and prolonging the lifespan of your stone.

For instance, envision having to frequently reapply a low-quality sealer that was initially cheaper but wears off quickly or fails to provide adequate protection. This constant reapplication not only adds up in terms of time and effort but also in terms of purchasing additional sealant over time.

Remember that the cost of repairs or replacing damaged stone surfaces far exceeds the initial investment in a premium sealer. It’s essential to strike a balance between price and quality by opting for reputable brands like TSS Pro Sealants, known for their commitment to delivering effective products at competitive prices.

Having discussed the importance of considering both price and quality when choosing a sealer, let’s now shine a spotlight on TSS Pro Sealants and their exceptional product line.

Product Spotlight: TSS Pro Sealants

When it comes to protecting your exterior stone surfaces, TSS Pro Sealants is a brand that stands out from the rest. With their expertise in stone care maintenance, cleaning, and sealing services, they have developed a range of proprietary stone, tile, and concrete sealers that are trusted and relied upon by professionals in the industry. What sets TSS Pro Sealants apart is their dedication to creating effective formulas that provide long-lasting protection for your stone surfaces.

Imagine you have a beautiful limestone patio that adds elegance to your outdoor space. However, without proper protection, it is susceptible to damage from water penetration, staining, and erosion. This is where TSS Pro Sealants come in. Their sealants are specifically formulated for different types of stones like limestone, ensuring deep penetration and unparalleled protection to preserve the natural beauty of your surfaces.

But what makes TSS Pro Sealants truly special is their commitment to environmental responsibility. All their products are VOC (Volatile Organic Compounds) compliant, meaning they meet strict environmental standards while still delivering exceptional performance. So you can have peace of mind knowing that you’re not compromising on the health of yourself or the planet when using their sealants.

Here are some key features and applications of TSS Pro Sealants:

Key Features Applications
High-quality formula Exterior stone surfaces
Long-lasting protection Limestone patios
VOC-compliant Concrete driveways
Deep penetration Brick or sandstone walls
Prevents water damage Travertine walkways


These are just a few examples of how TSS Pro Sealants can be applied effectively. Whether it’s protecting your pool deck from constant exposure to water or preserving the beauty of your brick fireplace, their sealants offer a solution for a wide range of surfaces and applications.

To attest to the effectiveness and quality of TSS Pro Sealants products, you need only look at their customer testimonials and reviews. Customers rave about how these exterior stone sealers have transformed their stone surfaces and enhanced the durability of their structures. From homeowners to contractors, people across different industries have entrusted their stone care needs to TSS Pro Sealants, highlighting the reliability and satisfaction they have experienced.

Now that we have explored the product spotlight on TSS Pro Sealants, let’s delve deeper into the key features and applications of these exceptional sealants.

Key Features and Applications

TSS Pro Sealants offer a range of sealant products specifically formulated to address the unique needs of different surfaces. Whether you have limestone, slate, brick, sandstone, or travertine, there is a TSS Pro Sealant designed to provide superior protection against water damage, staining, and deterioration.

One of the key features of TSS Pro Sealants is their high-quality formula. The sealants are carefully crafted using advanced technology and premium ingredients to ensure optimal performance and longevity. This means that once applied, you can trust that your exterior stone surfaces will be shielded from environmental factors and maintain their aesthetics for years to come.

Another noteworthy feature is the deep penetration offered by TSS Pro Sealants. This allows the sealant to effectively bond with the porous structure of your stone or concrete surface, creating a robust protective barrier against moisture intrusion. With this deep penetration capability, TSS Pro Sealants offer unparalleled protection from water damage, which can cause cracks, efflorescence, mold growth, and other forms of deterioration.

The applications for TSS Pro Sealants are vast. From protecting your limestone patio or travertine pool deck to preserving your brick or sandstone walls or even enhancing the durability of your concrete driveways – these sealants offer a comprehensive solution for all your exterior stone sealing needs. Regardless of the surface or the level of exposure, TSS Pro Sealants has a product that can provide reliable and long-lasting protection.

Customer Testimonials and Reviews

At TSS Pro Sealants, we take pride in the satisfaction of our customers. Don’t just take our word for it – hear directly from those who have experienced the benefits of our best sealer for exterior stone.

One satisfied customer, Sarah, shared her experience with our limestone sealer: “I was concerned about protecting my newly installed limestone patio from stains and weather damage. After applying TSS Pro Sealants’ limestone sealer as per their instructions, I was amazed by the results! Not only did it provide a deep penetrating seal, but it also enhanced the natural beauty of the stone. Even months later, my patio still looks as good as new!”

Another customer, John, used our concrete sealer on his driveway and had this to say: “Living in an area with harsh winters and frequent freeze-thaw cycles, my concrete driveway was deteriorating rapidly. I decided to go with TSS Pro Sealants’ concrete sealer after reading positive reviews online. The application process was straightforward using their step-by-step guide, and the results exceeded my expectations. My driveway is now protected from water damage and has a beautiful glossy finish.”

These testimonials are just a glimpse into the positive feedback we receive from our customers. We value their opinions and strive to deliver superior products that meet and exceed their expectations.

Step-by-Step Sealer Application Guide

Before applying any sealer, ensure that the surface is clean and free from dirt, debris, and any other contaminants. You can use a non-abrasive cleaner or degreaser to thoroughly clean the stone surface. It’s important to allow the surface to dry completely before proceeding with the application.

Next, gather the tools and materials you’ll need for the application process. This includes a paint roller or sprayer, depending on the type of sealer you’re using. Additionally, have some clean microfiber cloths or brushes on hand to help with any touch-ups or excess sealer removal.

Now, it’s time to apply the sealer. Start by pouring a small amount of sealer into a tray or bucket. Using a roller or sprayer, evenly coat the stone surface with the sealer, working in small sections at a time. It’s important to apply an even layer to ensure consistent protection.

As you apply the sealer, be mindful of any excess pooling or dripping. If you notice any excess sealer, use a clean microfiber cloth or brush to spread it out and ensure it is absorbed into the stone. This will help prevent streaks or uneven coverage.

Allow the sealer to dry according to the manufacturer’s instructions. This typically takes a few hours to complete. During this time, avoid walking on or touching the sealed surface to allow it to fully cure.

Once the sealer is dry, inspect the surface for any missed areas or uneven coverage. If necessary, touch up these areas with additional sealer using a brush or roller.

For instance, if you missed applying sealer to a corner of your patio during the initial application, take your time to carefully cover that area now.

Finally, after completing the application and ensuring full coverage, allow the sealed surface to cure completely before subjecting it to heavy use or exposure.

By following these step-by-step instructions, you can effectively protect your exterior stone surfaces with our best sealant products.

Tools You’ll Need

Before embarking on the application process, it’s crucial to gather all the necessary tools to ensure a smooth and effective sealing of your exterior stone. Here are the essential tools you’ll need:

  • Safety Gear: Start by prioritizing your safety. Wear protective gloves, safety goggles, and a dust mask to shield yourself from any potential hazards.
  • Cleaning Supplies: Thoroughly clean the surface of the stone before applying the sealer. Gather a mild detergent or stone cleaner, a scrub brush or sponge, and clean water for rinsing. This step is vital to remove dirt, grime, and any existing stains that could hinder proper adhesion of the sealer.
  • Applicator: Select an appropriate applicator based on the type of sealer you’re using and the size of the project. Common options include a paint roller with a low nap or foam brush for larger areas, while a small brush or cloth works well for intricate or hard-to-reach spots.
  • Paint Tray: Pour a sufficient amount of sealer into a paint tray for easy access during application. A disposable liner can be used for quick cleanup afterward.
  • Extension Pole: An extension pole can be helpful when applying sealer to vertical surfaces or tall areas such as walls or pillars. It allows for better reach and reduces strain on your arms.
  • Lint-Free Cloths: Keep lint-free cloths handy to wipe away excess sealer or spills during the application process. This ensures an even coat and helps avoid streaks or blotches.
  • Drop Cloths/Tarp: Protect surrounding areas by covering them with drop cloths or a tarp to prevent accidental overspray or drips from staining nearby surfaces.
  • Squeegee/Rubber Broom: If you have a large outdoor area, consider using a squeegee or rubber broom to spread the sealer evenly and efficiently. This tool ensures that the sealer is distributed smoothly, reducing the chance of pooling or uneven coverage.

Armed with the necessary tools, let’s move on to the application and drying process to protect your exterior stone effectively.

Application and Drying Process

The application and drying process play a crucial role in achieving optimal results when sealing your exterior stone. Follow these steps for a successful application:

  • Read the Instructions: Carefully read and understand the manufacturer’s instructions provided with your chosen sealer. Each product may have specific guidelines for application, coverage rates, and drying times.
  • Prep the Surface: Ensure that the stone surface is thoroughly cleaned and completely dry before applying the sealer. Remove any loose dirt or debris from cracks or crevices using a brush or compressed air.
  • Test Compatibility: Before applying the sealer to the entire surface, it’s a good idea to test it on a small, inconspicuous area of the stone. This step will help determine how well the sealer interacts with your particular type of stone and ensure you achieve the desired outcome.
  • Apply Thin Coats: Apply thin coats of sealer onto the stone surface using your chosen applicator. Work in small sections, ensuring even coverage and avoiding excessive buildup or pooling.
  • Follow Recommended Wait Times: Allow each coat to dry for the recommended time stated by the manufacturer before applying subsequent coats. This helps prevent tackiness or smearing.
  • Check for Absorption: To determine if additional coats are required, perform an absorption test on a small area of sealed stone after each coat has dried. Sprinkle water onto the surface and observe how quickly it absorbs. If water beads up or takes a while to penetrate, you may not need further coats. However, if it quickly absorbs into the stone, consider applying additional coats.
  • Complete Drying Time: After the final coat has been applied, allow the sealer to dry completely according to the manufacturer’s instructions. This curing process typically takes anywhere from 24 to 72 hours, depending on weather conditions and the specific sealer used.
  • Perform Regular Maintenance: Once the sealer has fully cured, follow a regular maintenance routine to keep your exterior stone protected and looking its best. This may include periodic reapplications of sealer based on the recommendations provided by the manufacturer.

Now that you’re familiar with the tools required and how to apply and dry the exterior stone sealers, you’re well-equipped to protect your exterior stone effectively.