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Best Exterior Foundation Waterproofing Products (2023 Update)

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If you're looking for the best exterior foundation waterproofing products, you've come to the right place. Ensuring the foundation of your home stays dry is a crucial part of maintaining a healthy, safe, and stable home environment. Outdoor foundation waterproofing products, such as sealants and coatings, provide excellent protection against water infiltration and help to prevent water damage that can be costly and difficult to repair.

When considering which exterior foundation waterproofing product to purchase, there are several factors to consider. Firstly, you should consider the type of foundation you have, as different types may require specific products or applications. Secondly, you should take into account the climate and weather conditions in your area, as some products may be more effective than others depending on the level of precipitation and temperature fluctuations. Finally, it's important to consider your budget and the level of protection you need, as some products may be more expensive but also offer greater protection and durability.

Are you tired of dealing with water damage and leaks in your home? Would you like to protect your foundation from water infiltration and increase the lifespan of your home? If so, then you need the best exterior foundation waterproofing products! Discover how to keep your foundation dry and secure by reading on and explore some of the top-rated products available today. What is the best type of foundation waterproofing product for your home? How can you ensure the product you choose provides the best protection possible? Keep reading to find out!

10 Best Exterior Foundation Waterproofing Products

# Product Image Product Name Product Notes Check Price
1

Ideal for enhancing and sealing surfaces made of concrete, brick, pavers, stone, and slate to achieve a matte wet look.

2

It is ideal for waterproofing and protecting houses against moisture and air infiltration.

3

This product is ideal for preserving and protecting concrete, brick, and porous stone pavers with a no-gloss/non-slip finish.

4

This product is ideal for patching and sealing leaks.

5

It is ideal for waterproofing and isolating cracks in various surfaces such as concrete, masonry, and ceramic tiles.

6

It is ideal for patching and sealing various surfaces, including roofs, pipes, gutters, and more.

7

Ideal for waterproofing surfaces and creating a moisture barrier in areas such as bathrooms, showers, and pools.

8

Gorilla Waterproof Patch & Seal Liquid is ideal for sealing and patching leaks or cracks in various surfaces.

9

The product is ideal for waterproofing areas like showers, bathrooms, and other wet environments.

10

This product is ideal for providing waterproofing and crack isolation in various surfaces.

Ideal for enhancing and sealing surfaces made of concrete, brick, pavers, stone, and slate to achieve a matte wet look.

It is ideal for waterproofing and protecting houses against moisture and air infiltration.

This product is ideal for preserving and protecting concrete, brick, and porous stone pavers with a no-gloss/non-slip finish.

This product is ideal for patching and sealing leaks.

It is ideal for waterproofing and isolating cracks in various surfaces such as concrete, masonry, and ceramic tiles.

It is ideal for patching and sealing various surfaces, including roofs, pipes, gutters, and more.

Ideal for waterproofing surfaces and creating a moisture barrier in areas such as bathrooms, showers, and pools.

Gorilla Waterproof Patch & Seal Liquid is ideal for sealing and patching leaks or cracks in various surfaces.

The product is ideal for waterproofing areas like showers, bathrooms, and other wet environments.

This product is ideal for providing waterproofing and crack isolation in various surfaces.

1. Armor Wl550 Matte Wet Look Enhancer Sealer Concrete, Brick, Pavers, Stone, And Slate

The product under review boasts remarkable water-repellent features that offer optimal protection against water damage and freeze-thaw cycles. With this product, you can enjoy peace of mind knowing that your surfaces are well-guarded against the harsh effects of water absorption.

Furthermore, this product boasts impressive durability, as it can last for up to 3-5 years before the need for resealing arises. This means that you can save on costs and time that would otherwise be spent on frequent resealing.

It is worth noting that this product is a solvent-based sealer, and as such, a direct signature is required upon delivery. This policy ensures that the product reaches the intended recipient safely and securely. Additionally, all sales of this product are final, so you can be confident in the quality of your purchase.

2. Waterproof Paver Sealer – Radonseal (5 Gal.)

This advanced formula is specially designed to provide unparalleled protection to your paver driveways, patios, walkways, and pool decks. The product is the next-generation of modified silane and siloxane, offering deeper penetration and long-lasting protection to prevent staining, fading, and spalling.

The seal provided by this product is breathable and will not trap moisture, ensuring the longevity of your pavers. It is water-based, odorless, non-flammable, and non-toxic, making it a safe and convenient choice for your outdoor space.

The spray-on application of this product is effortless and user-friendly, allowing you to achieve excellent results quickly. The clear/matte no-glass finish of this product makes it ideal for preserving the natural look of your pavers, enhancing the overall aesthetic of your outdoor space.

This product is an excellent investment for anyone looking to protect their pavers from the elements and extend their lifespan. Its unique formulation and comprehensive protection make it a must-have for any homeowner who values the look and longevity of their outdoor space.

3. Gorilla Waterproof Patch & Seal Liquid, Clear, 32 Ounces, (Pack Of 1)

The Gorilla Waterproof Patch and Seal Spray is a highly effective solution for sealing out water, air, and moisture, making it perfect for stopping and preventing leaks. The flexible, rubberized coating is easy to apply and can be brushed, rolled, troweled, dipped, or poured onto a variety of surfaces. Once applied, the self-leveling formula smoothly covers small gaps and cracks, ensuring a watertight seal.

This product is temperature and UV resistant, which means that it is able to withstand harsh conditions and provide lasting repairs. Additionally, it is paintable and works well with both latex and oil-based paints. If coating with oil-based paint, a primer should be used before painting.

The Gorilla Waterproof Patch and Seal Spray can be used on a variety of surfaces, including roofs, gutters, skylights, flashing, chimneys, PVC pipe joints, windows, RVs, and more. However, it is important to note that it is not suitable for continuous submersion or below-waterline use.

4. Laticrete Hydro Ban Waterproofing Crack Isolation Membrane, 5 Gallon

The product under consideration is a high-quality sealant that is designed to provide a watertight seal for various types of surfaces. It offers a range of features that make it a popular choice among professionals and DIY enthusiasts.

One of the most notable features of this sealant is its quick curing time. It allows for flood testing in just two hours at a temperature of 70°F (21°C) or higher. This means that the sealant can be used on a variety of surfaces without having to wait for a long curing time. However, it is important to refer to the cautions section for more information on curing.

Another great feature of this sealant is that it does not require the use of fabric for gaps that are 1/8" (3 mm) or less. This makes it easy to use and saves time during the application process. For complete instructions on using the sealant for gaps of this size, refer to DS 663.5.

The sealant is IAPMO approved, which means that it has been tested and certified to meet the highest industry standards. This gives users peace of mind knowing that they are using a reliable and safe product.

The sealant is also designed with a lighter color for ease of inspection. This makes it easy to identify any gaps or areas that may need to be resealed. Additionally, the sealant is non-flammable, which makes it safe to use in a variety of environments.

5. Gorilla Waterproof Patch & Seal Spray, Clear, 14 Ounces, (Pack Of 1)

The Gorilla Waterproof Patch and Seal Spray is a reliable solution to stop and prevent leaks by sealing out water, air, and moisture. Its flexible, rubberized coating is easy to apply using the applicator nozzle with a controlled spray pattern that provides a clean, even coat. Once applied, the self-leveling formula covers small gaps and cracks smoothly, ensuring a watertight seal.

This waterproof patch and seal spray is temperature and UV resistant, resulting in lasting repairs even when exposed to harsh weather conditions. With a service temperature range of -40°F to 160°F, it can withstand extreme temperatures without cracking or peeling. Additionally, it is paintable and can work with both latex and oil-based paints. However, when coating with oil-based paint, it is recommended to use a primer first before painting.

The Gorilla Waterproof Patch and Seal Spray can be used on various surfaces such as roofs, gutters, skylights, flashing, chimneys, PVC pipe joints, windows, RVs, and other DIY projects. It is not suitable for continuous submersion or below-waterline use.

6. Laticrete Waterproofing Membrane Fabric – 300 Sqft Roll

Laticrete is a leading provider of globally proven construction solutions that have been trusted by contractors and builders worldwide. Their products are designed to meet the most demanding construction challenges, offering exceptional performance and durability in a wide range of applications.

From tile and stone installation to waterproofing and soundproofing, Laticrete provides a comprehensive range of products that are engineered to meet the highest standards of quality and reliability. Their products are designed to work seamlessly together, ensuring that every project is completed to the highest possible standard.

One of the key benefits of Laticrete's construction solutions is their ability to withstand the toughest conditions. Whether it's extreme temperatures, high humidity, or heavy foot traffic, their products are built to last and maintain their performance over time.

In addition to their exceptional durability, Laticrete's products are also designed to be easy to install and maintain. Their solutions are user-friendly and require minimal preparation, making them ideal for both professional contractors and DIY enthusiasts.

Laticrete's commitment to quality and innovation is reflected in their extensive range of products, which includes adhesives, grouts, sealants, and waterproofing membranes. Their products are available in a wide range of colors and finishes, ensuring that every project can be customized to the unique needs and preferences of the customer.

Whether you're working on a residential or commercial project, Laticrete's construction solutions offer the perfect combination of performance, durability, and ease of use. With their globally proven track record and commitment to excellence, you can trust Laticrete to deliver exceptional results every time.

7. Gorilla Waterproof Patch & Seal Liquid, Clear, 16 Ounces, (Pack Of 1)

Gorilla Waterproof Patch and Seal Spray is a game-changer when it comes to sealing out water, air and moisture. It's a flexible, rubberized coating that can be used to stop and prevent leaks, making it ideal for a variety of household applications.

One of the standout features of this product is its crystal-clear finish. Unlike other similar products, Gorilla Waterproof Patch and Seal Spray dries transparent, resulting in cleaner, more polished finished projects.

This product is incredibly versatile and can be applied in a variety of ways. It can be brushed, rolled, troweled, dipped or poured, depending on the application. Once applied, the self-leveling formula smoothly covers small gaps and cracks, ensuring a watertight seal.

Gorilla Waterproof Patch and Seal Spray is also temperature and UV resistant. This means that once it's dried, it can withstand extreme temperatures and won't break down when exposed to sunlight. This ensures that repairs made with this product are long-lasting.

This product can be used on a variety of surfaces, including roofs, gutters, skylights, flashing, chimneys*, PVC pipe joints, windows, RVs, and more. However, it's important to note that this product is not suitable for continuous submersion or below-waterline use.

8. Laticrete Hydrobarrier Waterproofing/ Crack Isolation- 1 Gallon

The Laticrete Hydro Barrier is an exceptional product that provides a flexible and seamless waterproofing solution for both interior and exterior surfaces. With a coverage of approximately 175 sq. ft. (16.2 sq. m) and two coats, this product can effectively protect your surfaces from water damage.

This product has been approved by IAPMO for use as a shower pan liner, which makes it a reliable choice for your bathroom renovation projects. It can be applied on horizontal or vertical surfaces with ease, providing you with flexibility in your design choices.

When applied, the Laticrete Hydro Barrier forms an anti-fracture membrane that can protect your surfaces from shrinkage and other non-structural cracks of up to 1/8" (3 mm). This makes it a highly durable product that can withstand wear and tear over time.

Additionally, this product can be used with various materials such as tile, brick, and stone. You can easily install these materials directly onto the membrane, which streamlines the installation process and saves you time and effort.

One unique feature of the Laticrete Hydro Barrier is that it changes color from light blue to darker blue when cured. This provides a visual cue for when the product is ready for use.

Best Exterior Foundation Waterproofing Products FAQs

Are there any eco-friendly and sustainable exterior foundation waterproofing products?

Yes, there are several eco-friendly and sustainable exterior foundation waterproofing products available in the market. One of the popular options is using a liquid-applied membrane made from recycled materials. These membranes are made from rubberized asphalt and can be sprayed or rolled onto the foundation walls. They are highly effective in preventing water from seeping into the foundation and causing damage.

Another sustainable option is using a clay-based waterproofing material. This material is made from natural clay and lime and is mixed with water to create a paste-like consistency. It is then applied to the exterior foundation walls, where it forms a waterproof barrier. This option is ideal for those who are looking for a non-toxic and eco-friendly solution.

Additionally, there are plant-based waterproofing products that are made from renewable resources like soybeans, corn, and sunflowers. These products are biodegradable and non-toxic, making them a great choice for those who are environmentally conscious.

Overall, there are several eco-friendly and sustainable foundation waterproofing products available that can protect your home while also protecting the environment.

Are there any specific brands that are known to produce the best exterior foundation waterproofing products?

Yes, there are several brands that are known for producing high-quality exterior foundation waterproofing products. One of the most popular and trusted brands is Drylok. Their products are designed to keep water out of basement walls and floors, preventing moisture and mold from building up. Another reputable brand is Sika, which offers a range of waterproofing solutions for both new and existing buildings. Their products are known for their durability, strength, and resistance to water and other elements. Other notable brands in the market include Behr, KILZ, and Rust-Oleum. When choosing a brand, it's important to consider factors such as the type of foundation you have, the severity of the water problem, and your budget. It's also important to read reviews and seek advice from professionals to ensure that you choose the best product for your specific needs.

Can exterior foundation waterproofing products be applied by homeowners or do they require professional assistance?

Exterior foundation waterproofing products can be applied by homeowners, but it is recommended to seek professional assistance. The reason being that the process of waterproofing a foundation requires specific knowledge and expertise to ensure that it is done correctly. A professional waterproofing contractor will have the necessary tools and equipment to carry out the job safely and efficiently.

Additionally, a professional contractor can assess the condition of the foundation and recommend the appropriate waterproofing method. They can also identify any underlying issues that may be contributing to the water infiltration and address them accordingly.

If homeowners decide to take on the task themselves, it is important to thoroughly research the products and methods available to ensure that they are using the right materials and techniques. It is also important to follow all safety precautions and guidelines to avoid any accidents or injuries. Overall, while it is possible for homeowners to apply exterior foundation waterproofing products, it is recommended to seek professional assistance for the best results.

How do exterior foundation waterproofing products work to prevent water intrusion?

Exterior foundation waterproofing products are designed to prevent water intrusion into a building's foundation walls. These products generally consist of a waterproof membrane that is applied to the exterior surface of the foundation wall. When properly installed, this membrane creates a barrier that prevents water from seeping into the foundation walls and causing damage.

The membrane is typically made of a durable, flexible material that can withstand the rigors of the outdoor environment. It is applied to the foundation walls using a special adhesive that ensures a tight seal. Once in place, the membrane acts as a shield, preventing water from penetrating the foundation walls and causing moisture damage.

In addition to the waterproof membrane, exterior foundation waterproofing products may also include drainage systems that help to divert water away from the foundation walls. These drainage systems can be installed along the perimeter of the building and are designed to capture and redirect water before it has a chance to penetrate the foundation walls.

Overall, exterior foundation waterproofing products are an effective way to prevent water intrusion and protect the foundation walls of a building. When properly installed, these products can provide lasting protection against moisture damage and help to maintain the structural integrity of the building.

How do I choose the best exterior foundation waterproofing product for my home?

Choosing the best exterior foundation waterproofing product for your home requires considering several factors. Firstly, it is important to determine the cause of the water problem to ensure that you select the right product that addresses the specific issue. Next, consider the climate in your region and the level of water exposure your foundation faces. This will help you determine the type of waterproofing material that is most suitable for your home. Additionally, consider the cost, durability, and ease of application of the product. Look for products that are made of high-quality materials and have a reputation for being effective.

It is also essential to hire a professional to inspect your foundation and recommend the best product for your specific situation. They can provide expert advice on the type of product to use and how to properly apply it. Finally, make sure to follow the manufacturer's instructions and seek professional help if needed to ensure that the product is correctly installed and will provide long-lasting protection for your foundation.

How long do exterior foundation waterproofing products last?

The lifespan of exterior foundation waterproofing products largely depends on the type of product used, the climate, and the level of maintenance. Generally, high-quality products that are installed correctly can last for many years, even up to several decades. However, some products may deteriorate more quickly in extreme weather conditions or if the foundation is subjected to a lot of water pressure.

For example, asphalt-based coatings and rubber membranes can last up to 10-20 years, while liquid-applied coatings and cementitious coatings may last up to 30-40 years. Additionally, some newer products, such as spray-on polyurethane foam, may have a longer lifespan of up to 50 years.

To ensure the longevity of exterior foundation waterproofing products, it's important to have them installed by a professional, perform regular inspections and maintenance, and address any issues promptly. This can help prevent water damage to the foundation and prolong the life of the waterproofing product.

What are the best exterior foundation waterproofing products available in the market?

When it comes to exterior foundation waterproofing, there are several products available in the market that can effectively prevent water from seeping into your home's foundation. Some of the best products include:

1. Liquid Rubber Foundation Sealant: This product is a popular choice for waterproofing foundations due to its durability and flexibility. It forms a seamless membrane that can withstand extreme temperatures and is resistant to UV rays and chemicals.

2. Flex Seal Liquid: This waterproofing product is easy to apply and can be used on a variety of surfaces, including concrete, wood, and metal. It creates a watertight seal that can last for years.

3. Drylok Extreme Masonry Waterproofer: This product is specifically designed for masonry surfaces such as concrete and brick. It provides a waterproof barrier that can withstand heavy rainfall and high humidity levels.

4. SikaTop Seal 107: This product is a two-component, polymer-modified, cementitious waterproofing coating that can be applied to both vertical and horizontal surfaces. It offers excellent adhesion and durability.

Ultimately, the best exterior foundation waterproofing product for your home will depend on the specific needs of your foundation and the severity of the waterproofing issue. It is always best to consult with a professional to determine the best product for your situation.

What are the differences between exterior foundation waterproofing products and interior foundation waterproofing products?

Exterior and interior foundation waterproofing products are designed to serve the same purpose of preventing water from penetrating a home’s foundation. However, there are significant differences between the two. Exterior waterproofing products are applied to the outside of the foundation walls and are typically applied during the construction of a new home. These products are designed to prevent water from entering the foundation walls and redirect it away from the structure. Exterior waterproofing products are typically more expensive than interior products due to the labor involved in excavation, but they provide a more comprehensive solution to water infiltration.

Interior waterproofing products, on the other hand, are applied to the inside of the foundation walls and are typically used in existing homes. These products are designed to manage water that has already entered the foundation walls. Interior waterproofing products are less expensive than exterior products, but they only manage the water and do not prevent it from entering the foundation walls. In summary, exterior waterproofing products prevent water from entering the foundation walls, while interior waterproofing products manage water that has already entered the foundation walls.

What are the most common issues with exterior foundation waterproofing products?

Exterior foundation waterproofing products are designed to prevent water from seeping into the foundation of a building, which can cause significant damage over time. However, there are certain issues that can arise with these products. One of the most common issues is inadequate installation. If the product is not installed correctly, it may not provide the necessary level of protection against water infiltration.

Another common issue is poor quality materials. Some waterproofing products may be made from subpar materials that are not capable of withstanding the elements or the pressure of water. This can result in the product breaking down over time, leaving the foundation vulnerable to water damage.

Additionally, some waterproofing products may not be suitable for certain types of soil or climates. For example, a product that is designed for use in dry climates may not be effective in areas with high levels of rainfall or moisture.

It's important to choose a high-quality waterproofing product and to have it installed by a professional to ensure that it provides the necessary level of protection against water infiltration. Regular maintenance and inspection can also help to identify any issues before they become more serious.

What is the cost of the best exterior foundation waterproofing products?

The cost of the best exterior foundation waterproofing products can vary depending on a variety of factors such as the size of the area being waterproofed, the type of product being used, and the complexity of the installation process. Generally, the cost of exterior foundation waterproofing products can range from $3 to $10 per square foot. However, it's important to note that the cost of the products is only one part of the overall cost of waterproofing a foundation. The installation process can also add to the overall cost, as it requires specialized equipment and expertise. It's recommended to consult with a professional contractor to determine the best waterproofing solution for your specific needs and to get an accurate estimate of the cost. In the long run, investing in high-quality exterior foundation waterproofing products can save you money by preventing costly foundation damage and repairs down the line.

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