10 bestBrick Water Sealerof August 2025
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1
Liquid Rubber Color Waterproof Sealant - Multi-Surface Leak Repair Indoor and Outdoor Coating, Water-Based, Easy to Apply, Light Gray, 5 Gallon
Liquid Rubber
9.8
2
Flex Seal Liquid - Waterproof Rubber Seal, Patch Leaks, Repair Multi-Surface Indoor & Outdoor; Thick Coating Great for Roofs, Cracks, Gutters, Concrete, Basements, Foundations, Gray, 128 oz (3.97 L)
Flex Seal Liquid
9.6
3
Gorilla Waterproof Patch & Seal Spray, Flexible Rubberized Coating, Seals Out Water Air & Moisture, Stops & Prevents Leaks, Black, 16oz/453g, (Pack of 1), 104058
Gorilla
9.3
4
Lithi-Tek 9500 Ultra Concentrate - 1 Gallon (Makes 5 GALLONS) Penetrating Concrete Sealer, Waterproofer Plus Densifier
Ghostshield
9.0
5
Eco Advance Concrete/Masonry Siloxane Odorless Spray-On Application Waterproofer Concentrate, Safe For Use Around Plants, Pets, and People, 5 Gallon
Eco Advance
8.7
Other
CLARK'S Soapstone and Concrete Sealer - Natural Beeswax and Carnauba Wax Blend - Ideal for Countertops and Slate Surfaces - Concrete Countertop Wax - Carnauba Wax Food Grade - Large - 32 oz
DAMTITE WATERPROOFING WHT MAX PWDR WTRPRF 45LB 01451 Maximum Coverage White Powder Waterproofer, 45-pounds, 45 lb
Nanotech Surface Solutions Ultimate Sealant - Water Repellent Invisible Penetrative Coating for Concrete, Masonry, Clay, Limestone, Sandstone, Cantera, SiO2 Water Based Fast Curing (5 Gal.)
MasonrySaver All-Purpose Heavy Duty Water Repellent
6
LastiSeal Brick & Concrete Sealer SATIN (5-gal) - Water-Based Penetrating Sealer for Brick, Concrete, Stone, & Porous Masonry - 15-Year Waterproofing Warranty, Low Gloss Sheen
RadonSeal
8.4
7
Stormdry Brick Sealer - Clear Brick, Stone, Concrete & Masonry Waterproofer - 25-Year Certified Waterproofing Protection Against Penetrating Damp - 1.5 Gallon
Stormdry
8.1
8
MasonryDefender Chimney Brick Sealer, Clear Water-Based Siloxane Sealer - Breathable Waterproofer for All Exterior, Vertical Masonry Surfaces - 1 Gal
MasonryDefender
7.9
9
Concrete Sealer Clear Penetrating Waterproofing Spray, The Best Sealant to Seal Your Driveway, Cement Patio Pavers, Brick, Stone Or Any Outdoor Hard Surface.
Black Diamond Stoneworks
7.6
10
Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Kit- Includes Foundation Sealant 5 Gallon, Caulk 10.2 oz 4 Pack, Geo Textile 4"x160'
Liquid Rubber
7.3
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A Guide to Selecting the Best Brick Water Sealer
Choosing the right brick water sealer is important to protect your brick surfaces from water damage, staining, and deterioration. The right sealer can extend the life of your bricks, keep them looking good, and prevent issues like mold or efflorescence. When shopping for a brick water sealer, it's important to understand the different types and features so you can match the product to your specific needs, whether you're sealing a patio, wall, or driveway.
Type of Sealer
The type of sealer refers to the chemical base and how it interacts with the brick. The main types are penetrating sealers and film-forming sealers. Penetrating sealers soak into the brick and provide protection from within, making them ideal for outdoor use and for surfaces that need to breathe. Film-forming sealers create a protective layer on top of the brick, which can enhance appearance but may trap moisture. If you want natural-looking protection and breathability, go for a penetrating sealer. If you want a glossy finish or extra surface protection, a film-forming sealer might be better.
Water Repellency
Water repellency measures how well the sealer prevents water from soaking into the brick. This is crucial for preventing water damage, freeze-thaw cycles, and mold growth. Some sealers offer basic water resistance, while others provide high-level repellency. For areas exposed to heavy rain or moisture, choose a sealer with strong water-repellent properties. For indoor or less exposed areas, moderate repellency may be sufficient.
Breathability
Breathability refers to the sealer's ability to let water vapor escape from the brick while blocking liquid water from entering. This is important because bricks naturally absorb and release moisture. A breathable sealer prevents trapped moisture, which can cause damage over time. If your bricks are outdoors or in damp environments, prioritize a breathable sealer. For decorative indoor bricks, breathability is less critical.
Finish (Appearance)
The finish describes how the brick will look after sealing. Some sealers leave a natural, invisible finish, while others add a sheen or glossy look. If you want to maintain the original appearance of your bricks, choose a sealer with a natural or matte finish. If you prefer a wet look or want to enhance the color, look for a sealer that offers a glossy or satin finish. Your choice should depend on your aesthetic preference and the look you want for your space.
Longevity (Durability)
Longevity is how long the sealer will last before needing reapplication. Some sealers last only a year or two, while others can protect for five years or more. If you want low maintenance, look for a long-lasting sealer. For temporary projects or areas with less exposure, a shorter-lasting sealer may be acceptable. Consider how much time and effort you want to spend on resealing when making your choice.
Application Method
The application method refers to how the sealer is applied—by brush, roller, or sprayer. Some sealers are easier to apply than others, and some require multiple coats. If you have a large area or want a quick job, choose a sealer that can be sprayed. For small or detailed areas, a brush or roller may give you more control. Think about the size and complexity of your project when deciding on the application method.
UV Resistance
UV resistance is the sealer's ability to withstand sunlight without breaking down or yellowing. This is especially important for outdoor bricks exposed to direct sunlight. A UV-resistant sealer will last longer and keep your bricks looking good. If your bricks are indoors or shaded, UV resistance is less important. For outdoor projects, always check for this feature.
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