Best Exterior Brick Sealer: Enhance Durability with Top Picks

Protecting your brick surfaces is vital to maintain their beauty and durability. The right sealer ensures longevity and resistance against weather damage.
Brick sealers play a crucial role in preserving the integrity of your brick surfaces. They protect against moisture, staining, and erosion. Choosing the best exterior brick sealer can be daunting, given the numerous options available. Popular choices include MasonryDefender and Thompson’s WaterSeal, known for their clear, water-based formulas.
Stormdry offers long-lasting protection against penetrating damp. Rainguard and LastiSeal provide solutions for both interior and exterior surfaces, catering to various needs. Armor SX5000 WB stands out with its natural look and penetrating capabilities. Brick-Anew’s eco-friendly formula is ideal for both indoor and outdoor use. Each product offers unique benefits to ensure your brickwork remains in top condition for years.
Masonrydefender Interior/exterior Brick Sealer

The MasonryDefender Interior/Exterior Brick Sealer is the perfect choice for homeowners and property managers who are looking to protect and maintain their brick surfaces. Ideal for those who want to reduce brick dust and simplify the cleaning process, this product is suitable for both interior and exterior applications. Whether you are dealing with a historic building or a modern home, this clear water-based acrylic sealer offers a practical solution for preserving the integrity and appearance of your brickwork.
Pros:
- Reduces brick dust, keeping your living space cleaner.
- Provides a satin sheen finish that enhances the natural beauty of bricks.
- Water-based formula makes it environmentally friendly and easy to apply.
- Suitable for both interior and exterior use, offering versatile protection.
- Clear color ensures the original brick color is preserved.
Cons:
- Requires reapplication every few years for optimal protection.
- Not suitable for non-brick surfaces.
The MasonryDefender Brick Sealer offers a range of features that make it an essential product for maintaining brick surfaces. Its satin sheen not only enhances the aesthetic appeal of bricks but also provides a protective layer that prevents dust accumulation. This makes cleaning easier and helps maintain the pristine condition of your walls over time. Additionally, the clear water-based acrylic formula ensures that the original color and texture of the bricks are not altered, preserving the authentic look of your property.
Another significant benefit of this brick sealer is its versatility. Designed for both interior and exterior applications, it provides comprehensive protection against environmental factors such as moisture and dirt. This means you can use it on a variety of brick surfaces throughout your home or building, ensuring consistent protection and maintenance. The water-based nature of the product also means it is less harmful to the environment, making it a responsible choice for eco-conscious consumers.
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Masonrydefender Chimney Brick Sealer

The MasonryDefender Chimney Brick Sealer is an excellent choice for homeowners and property managers looking to protect their exterior masonry surfaces. This product is ideal for those who want a clear, water-based solution that maintains the natural appearance of brick while providing robust protection against the elements. If you’re seeking to prolong the life of your chimney or any vertical masonry structure, this sealer is perfect for you.
Pros:
- Breathable formula prevents moisture buildup inside bricks.
- Water-based solution is environmentally friendly and easy to apply.
- Clear finish preserves the aesthetic of masonry surfaces.
- Long-lasting protection against water damage and weathering.
Cons:
- May require multiple coats for optimal protection.
- Not suitable for horizontal surfaces or areas with standing water.
The MasonryDefender Chimney Brick Sealer is a clear water-based siloxane sealer that offers excellent protection without altering the appearance of your bricks. Its breathable nature ensures that trapped moisture can escape, preventing potential damage due to frost or other weather conditions. This feature is particularly beneficial for older masonry, where moisture buildup can lead to deterioration over time.
One of the standout benefits of this sealer is its user-friendly application. Being a water-based product, it is not only safer for the environment but also easier to clean up after use. The sealer provides a durable waterproof barrier, ensuring that your masonry surfaces remain in pristine condition despite exposure to harsh weather. By investing in this sealer, users can enjoy the peace of mind that comes with knowing their masonry is well-protected.
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Thompson’s Waterseal Multi-surface Waterproofer Stain

Thompson’s WaterSeal Multi-Surface Waterproofer Stain is ideal for homeowners and DIY enthusiasts looking to protect and preserve their outdoor surfaces. Whether you have a deck, patio, or any wooden structure exposed to the elements, this product provides an effective solution for maintaining the integrity and appearance of your surfaces. If you value longevity and want to keep your outdoor areas in pristine condition, this waterproofer stain is a must-have in your maintenance arsenal.
Pros:
- Provides excellent waterproofing to protect surfaces against water damage.
- Clear finish maintains the natural look of the surface without altering its appearance.
- Easy to apply with a brush, roller, or sprayer.
- Suitable for a variety of surfaces including wood, brick, and concrete.
Cons:
- May require multiple coats for optimal protection on certain surfaces.
- Drying time can be longer in humid conditions.
Thompson’s WaterSeal Multi-Surface Waterproofer Stain offers a clear finish that allows the natural beauty of your surfaces to shine through. This feature is particularly beneficial for those who prefer maintaining the original aesthetic of their decks or patios. The ease of application ensures that even novice DIYers can use the product without any hassle. The compatibility with various surfaces such as wood, brick, and concrete makes it a versatile choice for different projects around the home.
One of the standout features of this waterproofer stain is its ability to provide excellent waterproofing. By creating a barrier against water, it helps to prevent common issues such as warping, cracking, and rotting, which can significantly extend the life of your outdoor structures. However, it’s important to note that some surfaces may require multiple coats to achieve the desired level of protection, and drying times can vary depending on environmental conditions. Overall, Thompson’s WaterSeal offers a reliable and efficient solution for anyone looking to maintain their outdoor spaces.
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Stormdry Brick Sealer

The Stormdry Brick Sealer is an ideal purchase for homeowners and property managers looking to protect their buildings from penetrating damp. If you are someone who wants to preserve the aesthetics and structural integrity of your brick, stone, concrete, or masonry surfaces without frequent maintenance, this product is perfect for you. With its 25-Year Certified Waterproofing Protection, this sealer is designed for those who demand long-lasting quality and reliability.
Pros:
- Long-lasting protection with a 25-Year Certification.
- Effective on multiple surfaces including brick, stone, concrete, and masonry.
- Clear finish that maintains the original appearance of surfaces.
Cons:
- Application might require professional assistance for best results.
- Initial cost can be higher compared to other sealers.
The Stormdry Brick Sealer offers an impressive array of features that cater to the needs of those seeking robust protection against the elements. With its clear finish, users can rest assured that the product will not alter the appearance of their surfaces, allowing the natural beauty of their structures to shine through. The versatility of the sealer is evident in its ability to be applied to various materials, including brick, stone, concrete, and masonry, making it a valuable addition to any property maintenance arsenal.
Additionally, the sealer’s 25-Year Certified Waterproofing Protection ensures that once applied, users can enjoy peace of mind knowing their surfaces are safeguarded against moisture ingress for a significant period. This long-term protection reduces the need for frequent reapplication, saving both time and money in the long run. While the initial investment might be higher, the Stormdry Brick Sealer’s durability and effectiveness make it a wise choice for those looking to preserve their properties and avoid costly repairs associated with penetrating damp.
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Masonrydefender All Purpose Brick Stone & Concrete Sealer

The MasonryDefender All Purpose Brick Stone & Concrete Sealer is an ideal choice for homeowners and professionals looking to protect their outdoor masonry surfaces. If you have patios, walkways, or stone walls that are exposed to the elements, this sealer is perfect for you. Its transparent waterproof coating ensures that your surfaces remain protected without altering their appearance, making it suitable for those who value both functionality and aesthetics.
Pros:
- Transparent finish maintains the natural look of surfaces
- Penetrating formula provides long-lasting protection
- Easy application with a sprayer or roller
- Versatile use for brick, stone, and concrete
Cons:
- Requires reapplication every few years
- Limited to outdoor use only
- Not suitable for polished surfaces
The MasonryDefender sealer is formulated to penetrate deep into masonry surfaces, providing a durable layer of protection against water damage. This is especially beneficial for those living in areas with harsh weather conditions, as it helps prevent cracking and deterioration caused by freezing and thawing cycles. Additionally, its clear color ensures that the aesthetic value of your surfaces is preserved, making it an excellent choice for preserving the original look of your property.
Another standout feature of this product is its ease of use. Whether you’re a DIY enthusiast or a professional contractor, applying this sealer is straightforward and hassle-free. The sealer’s versatile formula can be used on a variety of surfaces, including brick, stone, and concrete, making it a one-stop solution for all your outdoor sealing needs. However, it’s important to note that the product is designed for outdoor use and requires reapplication every few years to maintain its protective qualities.
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Rainguard Water Sealers Brick Sealer

The Rainguard Water Sealers Brick Sealer is an ideal product for homeowners and property managers who are looking to protect their brick and mortar surfaces from rain and moisture damage. If you own a property with exposed brickwork or are responsible for maintaining buildings where moisture damage could be a concern, this product is a must-have in your maintenance toolkit.
Pros:
- Penetrating Protection against rain and moisture.
- Suitable for all brick and mortar surfaces.
- Natural Finish that doesn’t alter the appearance of the brick.
- Ready to use with no mixing required.
Cons:
- May require multiple coats for optimal effectiveness.
- Not suitable for non-porous surfaces.
The Rainguard Water Sealers Brick Sealer is formulated with Silane/Siloxane technology, which ensures deep penetration into the brick surfaces, providing long-lasting protection. This feature is especially beneficial for older buildings where bricks might be more porous and prone to moisture infiltration. The product’s clear, invisible finish ensures that the aesthetic appeal of your brickwork remains unchanged, allowing the natural beauty of the material to shine through while being protected.
Another notable feature of this brick sealer is its ease of use. Being a ready-to-use product, it eliminates the need for complex preparation or mixing, making it a convenient choice for DIY enthusiasts and professional contractors alike. Its effective formula can help in extending the lifespan of brick surfaces, reducing maintenance costs over time, and ensuring the structural integrity of your property.
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Lastiseal Brick & Masonry Sealer

The ideal customer for the LastiSeal Brick & Masonry Sealer is anyone looking to protect and preserve their brick, concrete, stone, or masonry surfaces. Whether you are a homeowner wanting to maintain your property’s aesthetic appeal, or a contractor seeking long-lasting solutions for your clients, this product offers versatile protection for both interior and exterior applications.
Pros:
- 15-Year Service Life ensures long-term protection.
- All-purpose application makes it suitable for various surfaces.
- Clear color maintains the natural appearance of the material.
Cons:
- May require multiple coats for optimal effectiveness.
- Initial cost can be higher compared to some alternatives.
The LastiSeal Brick & Masonry Sealer is manufactured by Novion under the trusted RadonSeal brand, known for high-quality sealing solutions. Its clear formulation allows you to protect your surfaces without altering their appearance, making it an excellent choice for those who value the natural look of their materials. The sealer is designed to penetrate deep into the substrate, providing superior protection against water, moisture, and the damaging effects of freeze-thaw cycles.
One of the standout features of this product is its 15-year service life, which offers peace of mind and reduces the need for frequent reapplications. This longevity is particularly beneficial for larger projects or areas where accessibility for maintenance is limited. Additionally, the all-purpose nature of the sealer means it can be used on a variety of surfaces, offering versatility and convenience for different projects and needs.
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Armor Sx5000 Wb Natural-look Penetrating Water-based Silane Siloxane Concrete Sealer

The Armor SX5000 WB Natural-Look Penetrating Water-Based Silane Siloxane Concrete Sealer is an ideal choice for homeowners and professionals looking to protect and enhance the lifespan of their concrete, brick, pavers, and natural stone surfaces. If you’re someone who values durability and wants a product that provides a natural finish without altering the appearance of your surfaces, this sealer is perfect for you. It’s especially beneficial for those living in areas prone to harsh weather conditions, as it offers superior water repellency.
Pros:
- Water-Based formula is environmentally friendly and safe to use.
- Penetrating sealer provides deep protection against water damage.
- Natural-Look finish maintains the original appearance of surfaces.
- Suitable for various surfaces like concrete, brick, pavers, and natural stone.
Cons:
- May require multiple applications for optimal results.
- Not suitable for surfaces that require a glossy finish.
The Armor SX5000 WB sealer stands out due to its water-based formula, which makes it an environmentally friendly option. Unlike solvent-based sealers, it emits fewer fumes, making it safe for residential areas without compromising on performance. The penetrating nature of this sealer ensures that it bonds well with the surface, offering long-lasting protection against moisture, which is crucial for preventing damage like cracking and spalling.
One of the remarkable features of this sealer is its ability to maintain a natural look. This is particularly beneficial for those who appreciate the original aesthetics of their surfaces, as it does not leave a film or alter the color. The product is versatile, as it can be applied to various surfaces including concrete, brick, pavers, and natural stone, making it a flexible choice for different projects. Overall, the Armor SX5000 WB is a reliable choice for anyone looking to protect their surfaces while preserving their natural beauty.
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Armor Sx5000 Wb Water-based Silane-siloxane Sealer

The Armor SX5000 WB Water-Based Silane-Siloxane Sealer is an ideal choice for homeowners and professionals looking to protect and enhance the longevity of their concrete, brick, pavers, and stone surfaces. If you are someone who values durable, long-lasting protection for outdoor surfaces without altering their natural appearance, this product is perfect for you. With its matte finish, the sealer is especially suited for those who prefer a subtle, non-glossy look.
Pros:
- Provides long-lasting protection against water and moisture.
- Maintains the natural appearance of surfaces with a matte finish.
- Water-based formula is environmentally friendly and easy to apply.
- Suitable for a wide range of surfaces including concrete, brick, and stone.
Cons:
- May require multiple coats for optimal protection.
- Not suitable for polished or smooth surfaces.
The Armor SX5000 WB Sealer boasts a water-based Silane-Siloxane formula, ensuring that your surfaces are protected from the detrimental effects of water infiltration. This feature not only prevents damage like cracking and spalling but also extends the life of the treated materials. The water-based composition makes it an eco-friendly option, reducing harmful VOC emissions while still delivering top-tier performance.
One of the standout features of this sealer is its ability to maintain the natural look of the surfaces it is applied to. Unlike other sealers that may leave a glossy or shiny finish, the Armor SX5000 WB offers a matte finish that preserves the original aesthetic of your outdoor spaces. This makes it particularly appealing for those looking to maintain the authentic appearance of their concrete or stone without compromising on durability and protection.
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Brick-anew Fireplace Sealer

The Brick-Anew Fireplace Sealer is ideal for homeowners looking to protect their brick, stone, concrete, tile, and other porous masonry surfaces from unsightly stains and residue caused by soot and smoke. This product is perfect for those who want a clear, eco-friendly, and long-lasting solution to maintain the aesthetic appeal of their indoor and outdoor spaces.
Pros:
- Eco-friendly formula that is safe for use indoors and outdoors.
- Long-lasting protection against stains and residue.
- Versatile application on multiple surfaces like brick, stone, concrete, and tile.
Cons:
- The clear finish might not alter the appearance of faded surfaces.
- May require multiple applications for heavily soiled or porous materials.
The Brick-Anew Fireplace Sealer provides a clear protective layer that acts as a barrier against soot and smoke, preventing them from penetrating and staining your surfaces. This makes it an invaluable tool for maintaining the clean look of your fireplace or any other area exposed to smoke. The eco-friendly nature of the sealer ensures it is safe for both indoor and outdoor applications, making it versatile for various home projects.
One of the standout features of the Brick-Anew Fireplace Sealer is its long-lasting durability. Once applied, it continues to protect the surfaces for an extended period, reducing the need for frequent reapplications. This not only saves time and effort but also ensures that your surfaces remain protected and visually appealing for longer. Additionally, its clear formulation means it won’t alter the natural beauty of your surfaces, allowing the inherent texture and color of the material to shine through.
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Frequently Asked Questions
What Is The Best Brick Sealer For Exterior Use?
Choosing the best exterior brick sealer depends on your needs. MasonryDefender offers a durable option with a satin sheen, reducing dust. Stormdry provides 25-year waterproofing protection. Rainguard and Armor SX5000 are great for preventing moisture damage. Consider your specific requirements for optimal results.
How Does A Brick Sealer Work?
Brick sealers create a protective barrier that repels water and prevents moisture penetration. They enhance durability and reduce dust accumulation. Some sealers also offer UV protection, maintaining the brick’s appearance. They are typically easy to apply and maintain, offering long-lasting results for exterior surfaces.
Can Brick Sealers Be Used On Other Surfaces?
Yes, many brick sealers can be applied to various surfaces. Products like LastiSeal and Armor SX5000 work on concrete, stone, and masonry. They offer versatile protection for both interior and exterior applications. Always check the manufacturer’s guidelines for compatibility with other materials.
How Long Do Brick Sealers Last?
The longevity of brick sealers varies by product and environmental conditions. Stormdry offers 25-year certified protection, while LastiSeal provides a 15-year service life. Regular maintenance can extend their effectiveness. Always follow application instructions for maximum durability and protection.
Are Water-based Sealers Better For Bricks?
Water-based sealers are often preferred for bricks due to their eco-friendly nature. They are breathable, allowing moisture vapor to escape. Products like MasonryDefender and Armor SX5000 offer effective waterproofing while maintaining a natural look. They’re easy to apply and clean, making them ideal for exterior use.
Conclusion
Choosing the right exterior brick sealer is essential for protecting your home. It shields against moisture, weather, and wear. Each product offers unique benefits. Masonrydefender provides easy cleaning and dust reduction. Thompson’s waterseal offers versatile waterproofing for various surfaces. Stormdry ensures long-lasting protection against penetrating damp.
Rainguard is perfect for resisting rain and moisture damage. Lastiseal promises a long service life for both interior and exterior use. Armor sx5000 wb delivers a natural look while protecting brick and stone. Brick-anew focuses on indoor and outdoor protection against stains and residue.
Each option suits different needs and preferences. Consider the specific requirements of your project when selecting a sealer. Proper application ensures durability and aesthetic appeal. Protecting your brick surfaces enhances your home’s value and longevity. Always read instructions for best results.
With the right choice, your exterior will remain beautiful and strong for years to come.

Hi Friends, I’m SealerMrinal, your go-to expert for all things sealing. With years of hands-on experience across a wide range of materials—concrete, wood, metal, and more—I bring deep knowledge and practical insights into every sealing project. On my website, I share expert tips, proven techniques, and product recommendations to help you get the best results. Whether you’re tackling a DIY project or seeking professional-grade advice, I’m here to guide you through the art and science of effective sealing.