10 Best Waterproofing Brick Sealants 2025 in the United States

The Armor SX5000 WB Natural-Look Penetrating Water-Based Silane Siloxane Concrete Sealer is a professional-grade water-based sealant designed for a variety of materials including concrete, brick, pavers, and natural stone. One of its strongest attributes is its ability to reduce water absorption by up to 95%, which significantly helps in preventing water damage and extending the lifespan of the treated surfaces. It provides long-lasting protection, with a durability of up to 7-10 years, and does not alter the appearance or color of the substrate.

This makes it ideal for those who want to maintain the natural look of their materials while providing robust protection against moisture, salt, and stains. The Armor SX5000 WB is easy to apply using a pump sprayer and has a coverage area of 175-225 square feet per gallon, making it efficient for larger projects. Additionally, its water-based formula means it is low in VOC, odor-free, and easy to clean up with soap and water, making it user-friendly and safer for the environment.

In summary, this sealant is well-suited for homeowners or professionals seeking a durable, easy-to-use solution for protecting their concrete, brick, and stone surfaces without changing their natural look.

Siloxa-Tek 8500 is a penetrating concrete sealer designed for waterproofing and protecting various masonry surfaces like concrete, brick, stone, and pavers. As a water-based silane/siloxane formula, it excels in maintaining the natural appearance of surfaces without altering their aesthetics, making it an excellent choice for those who want discreet protection. One of its standout features is its breathability, which prevents peeling, flaking, or delaminating, thus ensuring long-lasting durability.

This sealant is DOT-approved, which indicates its reliability under harsh conditions, including exposure to deicing salts and freeze-thaw cycles. It's particularly effective in mitigating surface damage such as cracking and spalling, enhancing the longevity of the treated surfaces. The UV-resistance is another significant advantage, ensuring that the sealant won’t degrade even with prolonged sun exposure, making it suitable for outdoor applications like driveways, patios, and pool decks. Application methods are versatile, including sprayer, roller, or brush, catering to different user preferences.

The drying time and ease of application make it a practical choice for both DIY enthusiasts and professional applicators. Coverage is reasonable at 250 square feet per gallon per coat, though heavier applications might necessitate additional quantities. However, one potential drawback could be the higher initial cost compared to other sealants, reflecting its premium formulation and long-lasting protection. Additionally, while it boasts excellent water beading effects, some users might find the application process requires precision to achieve the best results. Siloxa-Tek 8500 is a robust and high-performing sealant ideal for those seeking dependable, long-term protection for masonry surfaces against water and environmental damage.

The Siloxa-Tek 8500 Ultra Concentrate stands out as a waterproofing brick sealant with many strengths. As a water-based silane/siloxane sealant, it offers impressive resistance to water and moisture intrusion without altering the appearance of concrete, brick, or stone surfaces. This makes it ideal for those who want to maintain the natural look of their materials while ensuring protection. Its 100% breathability ensures that it will not peel, flake, or delaminate over time, which adds to its durability. The formula is UV stable, resisting damage from sunlight, and is particularly effective against wind-driven rain and deicing salts, making it suitable for both residential and commercial use in various environments, including driveways, garages, basements, patios, and pool decks.

The coverage area is substantial, with up to 250 square feet per gallon per coat, and its high actives formula means it provides longer-lasting protection compared to other water-based sealers. Application is flexible and straightforward, as it can be applied using a sprayer, roller, or brush. One of the key highlights is its longevity; when applied by certified professionals, vertical applications can last up to 10 years before reapplication is necessary. However, potential users should be aware that the drying time and exact durability may vary depending on specific application conditions. Additionally, while the concentrate makes 5 gallons of sealer, handling and mixing the product correctly is crucial for optimal performance. Despite these considerations, Siloxa-Tek 8500 is a robust choice for those seeking a high-performance, low-maintenance waterproofing solution.