10 Best Brick Water Sealer 2026 in the United States

The Armor SX5000 WB is a high-quality, water-based sealer designed for protecting a range of surfaces such as concrete, brick, and natural stone. One of its standout features is its ability to significantly reduce water absorption by up to 95%, which helps prevent damage from cracks and stains over time. The professional-grade Silane-Siloxane formula is particularly beneficial for both interior and exterior applications, providing a durable barrier that lasts between 7 to 10 years. Furthermore, it maintains the original look and feel of the surfaces it protects, which is a major plus for homeowners looking to preserve their aesthetics.

Ease of application is another strength; it's ready to use, allowing for straightforward application with a pump sprayer, and clean-up is hassle-free thanks to its water-based formula with zero VOCs and no odor. This makes it suitable for DIY enthusiasts who may not have a lot of experience with sealers.

There are a few considerations to keep in mind. While it provides solid protection, the initial preparation of the surfaces is crucial for the best results, requiring proper cleaning to ensure effectiveness. Additionally, while the 5-gallon size is great for larger projects, it may be more than what some users need, which could lead to waste if they only have a small area to treat.

The Siloxa-Tek 8500 Ultra Concentrate is a penetrating concrete sealer that is a strong contender in the brick-water-sealer category. As a water-based silane/siloxane solution, it provides effective water and salt repellency without altering the appearance of your surfaces, making it an attractive choice for those who want to maintain the natural look of their concrete, brick, masonry, or pavers. Its non-film-forming characteristics ensure that it won't peel, flake, or delaminate over time, adding to its durability.

The product's durability is further enhanced by its resistance to surface damage from chlorides and deicing salts, an essential feature for environments exposed to freeze-thaw cycles. Its UV stability means it won't degrade under sunlight, making it reliable for outdoor applications. The high concentration of active ingredients promises long-lasting protection, requiring reapplication only every few years, depending on usage and exposure.

Ease of application is another strength; it can be applied using a sprayer, roller, or brush, making it accessible for both DIY projects and professional use. It covers up to 250 square feet per gallon, providing a good balance between coverage and cost-effectiveness. The breathable nature of this sealer prevents moisture build-up underneath the surface, helping to preserve the structural integrity of the treated material. Potential users should consider that while it offers excellent protection against water and salts, its performance in other specific scenarios, like oil resistance, isn't highlighted. Additionally, while it claims a non-slick surface, care must be taken during application to maintain safety, particularly in high-traffic areas. The Siloxa-Tek 8500 is well-suited for residential and commercial projects needing a robust, long-lasting sealer that keeps surfaces looking natural while providing effective protection from the elements.

The Stormdry Brick Sealer in a 1.5-gallon container is designed for those seeking reliable waterproofing for brick, stone, and similar surfaces. Its cream-based formulation offers a significant advantage in terms of durability, boasting a 25-year protection against penetrating damp. This makes it an excellent choice for long-term projects where maintenance frequency is a concern. One of its key strengths is ease of application; the product claims a single-coat application process, which saves time and effort. It is also breathable, allowing treated surfaces to dry naturally without trapping moisture, which is beneficial in maintaining the thermal properties of wall insulation.

However, it's important to note that it is not suitable for limestone or painted surfaces, which might limit its applicability for some users. Another notable feature is its ability to maintain the natural appearance of surfaces since it dries clear, preserving the aesthetic of the structure. It’s also independently tested and verified, offering peace of mind regarding its effectiveness.

On the downside, while it is colorless and intended to leave no visible residue, users should be aware that the initial cream formulation might be challenging to apply uniformly for inexperienced users. Also, while its breathability is a plus, users in extremely harsh weather conditions might want to consider additional protection measures for best results. The Stormdry Brick Sealer seems best suited for homeowners or professionals looking for a straightforward, long-lasting solution to protect brick and stone surfaces from moisture damage.