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What are self-crosslinking water-based concrete sealers?

Self-Crosslinking Polymer Sealers: Benefits and Applications

In the world of construction and home improvement, the quest for effective, eco-friendly, and long-lasting sealing solutions has led to the development of innovative products. Among these, water-based self-crosslinking polymer sealers have emerged as a game-changer.

These sealers offer a myriad of benefits and find applications in a wide range of industries. In this blog post, we’ll dive deep into the world of water-based self-crosslinking polymer sealers, exploring their advantages and examining their diverse applications.

Understanding Water-Based Self-Crosslinking Polymer Sealers

Before delving into the benefits and applications, let’s first understand what water-based self-crosslinking polymer sealers are.

What Are Water-Based Self-Crosslinking Polymer Sealers?

Water-based self-crosslinking polymer sealers are a class of sealants that use water as their primary solvent. They are designed to form a protective and durable film when applied to surfaces. What sets them apart is their self-crosslinking ability, which means that they can chemically bond with themselves without the need for external agents or heat.

These sealers are composed of polymers, which are large molecules made up of repeating units. The self-crosslinking feature allows these polymer chains to interconnect, creating a robust network that enhances the sealer’s performance.

Now that we have a basic understanding, let’s explore the myriad benefits of water-based self-crosslinking polymer sealers.

Benefits of Water-Based Self-Crosslinking Polymer Sealers

Environmental Friendliness

One of the most significant advantages of water-based self-crosslinking polymer sealers is their eco-friendliness. These sealers have a low VOC (Volatile Organic Compounds) content, reducing the emission of harmful chemicals into the environment. As sustainability becomes increasingly important, this characteristic makes them an ideal choice for environmentally conscious consumers and industries.


Water-based self-crosslinking polymer sealers create a robust, crosslinked network that enhances the durability of the sealed surface. This makes them highly resistant to wear and tear, weathering, and chemical exposure. They can extend the lifespan of surfaces such as concrete, wood, and even certain metals.

Easy Application

Applying water-based self-crosslinking polymer sealers is a straightforward process. These sealers are typically available in liquid form and can be applied using brushes, rollers, or sprayers. The water content allows for easy spreading and levelling, resulting in a smooth and even finish.

Low Odour

Unlike solvent-based sealers that often emit strong odours during the application, water-based sealers have minimal odour. This makes them more suitable for indoor applications where ventilation might be limited, such as residential basements or indoor commercial spaces.

UV Resistance

Many water-based self-crosslinking polymer sealers are formulated to provide UV resistance. This means they can protect surfaces from the damaging effects of ultraviolet radiation, preventing fading and deterioration caused by sunlight exposure.


Water-based sealers are known for their ability to allow moisture vapour to pass through the sealed surface. This breathability is essential for surfaces like concrete, as it prevents moisture buildup, which can lead to issues like efflorescence, whitening, cloudiness or spalling.


Water-based self-crosslinking polymer sealers are versatile and can be used on a wide range of surfaces, including concrete, wood, stone, and even certain metals. This versatility makes them suitable for various applications, from sealing driveways and sidewalks to protecting wooden decks and furniture.

Low Maintenance

Once applied, these sealers require minimal maintenance. They create a protective barrier that reduces the need for frequent cleaning and resealing. This can save both time and money in the long run.

Resistance to Stains and Chemicals

Water-based sealers are excellent at repelling stains and resisting the effects of chemicals such as oil, grease, and acidic substances. This is particularly valuable in environments where spills and chemical exposure are common.


Water-based self-crosslinking polymer sealers are non-yellowing, which means they maintain their clarity and transparency over time. This characteristic is especially important when sealing decorative concrete surfaces or preserving the natural appearance of wood.

Fast Drying

Many water-based sealers have a quick drying time, allowing for faster project completion. This is advantageous for both DIY enthusiasts and professionals who want to minimize downtime.

Now that we’ve explored the numerous benefits of water-based self-crosslinking polymer sealers, let’s turn our attention to their wide range of applications.

Applications of Water-Based Self-Crosslinking Polymer Sealers

Concrete Sealing

Water-based self-crosslinking polymer sealers are extensively used for sealing concrete surfaces. Whether it’s a residential driveway, a commercial parking lot, or an industrial warehouse floor, these sealers provide long-lasting protection against moisture, stains, and abrasion. They also enhance the aesthetic appeal of decorative concrete.

Wood Protection

Wooden surfaces, such as decks, fences, and furniture, benefit greatly from water-based self-crosslinking polymer sealers. These sealers help preserve the natural beauty of the wood while protecting it from moisture, UV rays, and wear. They are an excellent choice for outdoor wooden structures that are exposed to the elements.

Stone and Tile Sealing

Water-based sealers are used to protect natural stone, tile, and grout in both residential and commercial settings. They create a protective barrier that prevents staining and water damage while maintaining the appearance of the stone or tile. This is particularly important in kitchens, bathrooms, and outdoor patios.

Metal Coating

Some water-based self-crosslinking polymer sealers are formulated for use on metal surfaces. These sealers provide corrosion resistance and can extend the lifespan of metal structures such as bridges, railings, and industrial equipment.


In the world of commercial and industrial flooring, water-based self-crosslinking polymer sealers play a crucial role. They provide a durable and easy-to-maintain finish that withstands heavy foot traffic and exposure to chemicals. Epoxy and polyurethane coatings, which fall into this category, are commonly used in these applications.

Automotive Industry

Water-based self-crosslinking polymer sealers are used in the automotive industry to protect vehicle exteriors and interiors. These sealers offer resistance to UV rays, chemicals, and weathering, helping maintain the appearance and value of automobiles.

Concrete Countertops

In residential and commercial kitchens and bathrooms, concrete countertops have gained popularity due to their durability and aesthetic appeal. Water-based self-crosslinking polymer sealers are commonly used to protect and enhance the appearance of these countertops, making them more resistant to stains and wear.

Art and Craft

Artists and craft enthusiasts also find utility in water-based self-crosslinking polymer sealers. These sealers can be applied to various art and craft projects to protect and enhance the final product. They are often used for sealing paintings, sculptures, and other artistic creations.

Masonry and Brickwork

Masonry and brick surfaces, such as facades and chimneys, can benefit from the application of water-based sealers. These sealers help prevent water penetration and efflorescence while preserving the appearance of the masonry.

Sports Surfaces

Sports surfaces, including tennis courts and running tracks, require durable coatings that can withstand heavy use and weather exposure. Water-based self-crosslinking polymer sealers are used to protect and maintain these surfaces, ensuring they remain safe and playable.


In the agricultural sector, water-based self-crosslinking polymer sealers find applications in protecting equipment and structures. For example, they can be used to coat metal grain bins and agricultural machinery, extending their lifespan and preventing corrosion.

Retail and Commercial Spaces

Retail stores and commercial spaces often use water-based self-crosslinking polymer sealers to protect their flooring and countertops. These sealers provide a clean, glossy finish that enhances the appearance of the space while withstanding the demands of daily foot traffic.


Water-based self-crosslinking polymer sealers are a versatile and eco-friendly solution for sealing and protecting various surfaces. Their numerous benefits, including environmental friendliness, durability, ease of application, and resistance to stains and chemicals, make them a top choice for both residential and commercial applications.

From concrete and wood to metal and stone, these sealers have found their place in a wide range of industries and projects. Whether you’re looking to enhance the longevity of your driveway, protect your wooden deck, or maintain the appearance of your art projects, water-based self-crosslinking polymer sealers offer a reliable and effective solution.

As the construction and home improvement industries continue to evolve, the role of these innovative sealers in preserving and enhancing surfaces will undoubtedly grow. Their ability to provide both practical benefits and aesthetic enhancements positions them as a valuable tool for anyone seeking to protect and beautify their surroundings.