Why Urethane Concrete Sealers are the Best Choice for Long-lasting Protection

Why Urethane Concrete Sealers are the Best Choice for Long-lasting Protection


As a construction professional, I have come across various types of concrete sealers in my career.

However, urethane concrete sealers stand out from the rest regarding long-lasting protection.

When I started, epoxy was the most widely used product, but slowly, urethane has started to become more common on the projects I’ve worked on.

They have different strong points.

Urethane concrete sealers are specifically formulated to provide superior protection and durability for concrete surfaces.

In this article, I will discuss why urethane concrete sealers are the best choice for long-lasting protection and highlight their many benefits.

Why Urethane Concrete Sealers are Superior to Other Options

Urethane concrete sealers are considered superior to other options due to several key advantages:


  • Urethane sealers offer exceptional durability, making them highly resistant to abrasion, chemicals, and UV exposure. This durability ensures long-lasting protection for concrete surfaces, especially in high-traffic areas.

Chemical Resistance

  • Urethane sealers provide superior resistance to a wide range of chemicals, including oil, grease, and harsh cleaning agents. This makes them an ideal choice for environments where chemical exposure is a concern, such as industrial facilities and commercial kitchens.

UV Stability

  • Unlike some other sealers, urethane sealers offer excellent UV stability, preventing yellowing or degradation when exposed to sunlight. This makes them suitable for both indoor and outdoor applications.

Moisture Resistance

  • Urethane sealers form a strong barrier against moisture, preventing water penetration and protecting the concrete from damage caused by freeze-thaw cycles, mold, and mildew.

Enhanced Aesthetics

  • These sealers often enhance the appearance of concrete surfaces, providing a glossy or satin finish that can enrich the color and texture of the concrete.

Application Flexibility

  • Urethane sealers are versatile and can be applied to both new and existing concrete surfaces, offering ease of application and compatibility with various decorative treatments.


Overall, the superior durability, chemical resistance, UV stability, moisture resistance, aesthetic enhancement, and application flexibility of urethane concrete sealers make them a preferred choice for protecting and enhancing concrete surfaces in a wide range of environments.

Urethane floor coating provides solid no seam surface hard for water and chemicals to penetrate.

The Benefits of Using Urethane Concrete Sealers

Urethane concrete sealers offer several benefits to companies and regular consumers due to their durability, chemical resistance, and ease of maintenance.

For Companies:

  1. Enhanced Durability: Urethane concrete sealers provide a robust protective layer that enhances the durability of concrete surfaces, making them suitable for heavy industrial use.
  2. Chemical Resistance: These sealers offer excellent resistance to various chemicals, including oils, solvents, and acids, making them ideal for industrial environments where exposure to such substances is every day.
  3. Low Maintenance Costs: The use of urethane concrete sealers can reduce maintenance costs for companies as they help prevent staining, deterioration, and the need for frequent repairs.
  4. Improved Safety: By creating a non-slip surface, urethane sealers can improve safety in industrial settings where slip and fall accidents are a concern.
  5. Longevity: Urethane sealers have a longer lifespan than many other sealant options, reducing the frequency of reapplication and associated costs.

For Regular Consumers:

  1. Enhanced Aesthetics: Urethane sealers can enhance the appearance of concrete surfaces, making them more visually appealing for residential use, such as in driveways, patios, and garage floors.
  2. Stain Resistance: These sealers protect against stains from oil, grease, and other common household substances, making them suitable for areas where spills are likely.
  3. Durability: By adding a durable layer of protection, urethane sealers can prolong the life of concrete surfaces in residential settings, reducing the need for repairs or replacements.
  4. Easy Maintenance: Sealed concrete surfaces are easier to clean and maintain, requiring less effort and cost for regular consumers.
  5. UV Resistance: Some urethane sealers offer UV resistance, protecting the concrete from the effects of sunlight and maintaining its appearance over time.

In summary, urethane concrete sealers offer enhanced durability, chemical resistance, and ease of maintenance for both companies and regular consumers, making them a popular choice for protecting concrete surfaces in various settings.

What are the Disadvantages of Urethane Sealers

While urethane sealers offer numerous benefits, it’s important to consider their potential disadvantages as well.

  1. Cost: Urethane sealers can be more expensive than other sealers, deterring some consumers and companies, especially for large-scale projects.
  2. Application Difficulty: Applying urethane sealers may require professional expertise to ensure proper adhesion and coverage, which can add to the project’s overall cost.
  3. Vulnerability to Moisture During Application: Urethane sealers can be sensitive to moisture during the application process, and if not applied under the right conditions, this can lead to adhesion issues and a compromised finish.
  4. Potential for Yellowing: Some urethane sealers may turn yellow over time, especially when exposed to UV light, which can impact the appearance of the sealed surface.
  5. Re-Coating Challenges: Re-coating urethane sealers can be difficult, as proper surface preparation is crucial for adhesion, and any existing sealer may need to be entirely removed before reapplication.
  6. Environmental Impact: Some urethane sealers may contain volatile organic compounds (VOCs), which can have environmental and health implications, particularly during application.

Consumers and companies need to weigh these disadvantages against the benefits of urethane sealers to make informed decisions about their use for specific projects.

Urethane Concrete Sealer vs. Other Types of Concrete Sealers

  Urethane Concrete Sealer Acrylic Sealer Epoxy Sealer Silicate Sealer
Durability Offers exceptional durability, making it suitable for high-traffic areas and industrial settings. It may offer a different level of durability than urethane sealers, especially in high-traffic areas. Known for good durability, but may not match the longevity of urethane sealers in heavy industrial use. It offers moderate durability and is suitable for some applications but may not withstand heavy industrial use as effectively as urethane sealers.
Chemical Resistance Provides excellent resistance to a wide range of chemicals, making it ideal for environments with chemical exposure. It may have limited resistance to certain chemicals compared to urethane sealers. Offers good chemical resistance, but may not be as comprehensive as urethane sealers in challenging chemical environments. several essential factors must be considered but may not be suitable for environments with heavy chemical exposure compared to urethane sealers.
UV Resistance Some urethane sealers offer UV resistance, protecting the concrete from the effects of sunlight and maintaining its appearance over time. UV resistance may vary or be limited in some acrylic sealers, potentially leading to discoloration over time. UV resistance varies by product, with some epoxy sealers offering good protection against UV damage. UV resistance may not be a standard feature, potentially leading to color changes over time and applying to urethane sealers.
Cost Can be more expensive than other types of sealers, which can be a deterrent for some consumers and companies. Generally more cost-effective than urethane sealers, making them accessible for budget-conscious projects.    
Application Difficulty Applying urethane sealers may require professional expertise to ensure proper adhesion and coverage, adding to the overall cost of the project. Acrylic sealers are relatively easy to apply and may not require professional expertise, reducing application costs. Epoxy sealers may require careful application and may be more complex to apply compared to acrylic sealers. Application may require attention to detail but may be less complex than epoxy sealers in some cases.
Vulnerability to Moisture During ApplicationApplication: Can Can is sensitive to moisture during the application process, which, if not managed correctly, can lead to adhesion issues and a compromised finish. Vulnerability to moisture during application may vary across different types of sealers. Proper application conditions are crucial for all types of sealers. Epoxy sealers may be more sensitive to moisture during application, requiring careful consideration of environmental conditions. Vulnerability to moisture during application may vary, but proper conditions are essential for all sealers.
Environmental Impact Some urethane sealers may contain volatile organic compounds (VOCs), which can have environmental and health implications, particularly during the application process. Environmental impact may vary across different types of sealers, with some options being more environmentally friendly than others. Epoxy sealers may contain VOCs, posing similar environmental considerations to some urethane sealers. Silicate sealers are generally more environmentally friendly, with lower VOC content compared to some urethane and epoxy sealers.

This side-by-side comparison provides a detailed overview of the characteristics of urethane concrete floor sealer compared to acrylic, epoxy, and silicate sealers, highlighting their respective strengths and limitations in various categories.

How Urethane Concrete Sealers Provide Long-lasting Protection

Urethane concrete sealers provide long-lasting protection through their unique formulation and properties.

  • These sealers penetrate deep into the concrete, forming a protective barrier that prevents moisture and chemicals from seeping into the surface. This barrier helps to prevent cracks, spalling, and other forms of concrete damage caused by water and chemical exposure.
  • Additionally, urethane concrete sealers have excellent adhesion to the concrete substrate, ensuring that the sealer remains intact even under heavy traffic and wear.

The durability and longevity of urethane concrete sealers make them an excellent investment for anyone looking to protect their concrete surfaces for years to come.

Essential Factors to Consider When Choosing a Urethane Concrete Sealer

When selecting a urethane concrete sealer, there are several important factors to consider.

  • Firstly, it is essential to assess the project’s specific requirements, such as the level of chemical exposure, UV exposure, and traffic conditions. This will help determine the appropriate type and formulation of urethane sealer needed.
  • Secondly, consider the surface preparation requirements for the chosen urethane sealer. Proper surface preparation, including cleaning and repairing Cost: It canexisting cracks or damage, is crucial for achieving optimal adhesion and performance.
  • Lastly, please follow the manufacturer’s instructions for application and maintenance to ensure the best results and long-term protection.

Application and Maintenance of Urethane Concrete Sealers

The application of urethane concrete sealers requires careful attention to detail and adherence to proper techniques.

  1. Before applying the sealer, it is essential to thoroughly clean the concrete surface to remove any dirt, debris, or previous coatings.
  2. Any cracks or imperfections should be repaired using an appropriate urethane concrete crack sealer or caulk.
  3. Following the manufacturer’s recommended guidelines, the urethane sealer can be applied using a brush, roller, or sprayer once the surface is clean and repaired.
  4. After application, allow the sealer to cure fully before subjecting the surface to heavy traffic or exposure to water.

To maintain the effectiveness of urethane concrete sealers, regular maintenance is essential.

  1. This includes routine cleaning using mild detergents and avoiding the use of harsh chemicals that could deteriorate the sealer.
  2. Periodic inspections should be conducted to identify any signs of wear or damage.
  3. If necessary, touch-ups or reapplications of the urethane sealer may be required to maintain optimal protection.

By following proper maintenance practices, the longevity and performance of urethane concrete sealers can be maximized.

Common Misconceptions about Urethane Concrete Sealers

High performance urethane concrete sealers are widely used in the construction industry for their durability and resistance to chemicals, abrasion, and UV exposure. However, there are some misconceptions about urethane concrete sealers that are not entirely true.

1. Urethane Sealers Are Not Breathable

  • Misconception: One common misconception is that urethane sealers are not breathable, leading to potential issues with trapped moisture in the concrete.
    • Why it’s not true: While some urethane sealers like acrylics may have lower breathability than others, this doesn’t mean they are completely non-breathable. Modern urethane sealers are formulated with breathable properties that allow for the escape of trapped moisture vapor, preventing issues such as delamination and blistering.

2. Urethane Sealers Are Not Environmentally Friendly

  • Misconception: There is a misconception that urethane sealers harm the environment due to their chemical composition.
    • Why it’s not true: While urethane sealers contain chemicals, many manufacturers offer low-VOC (volatile organic compound) formulations that comply with environmental regulations. Some urethane sealers are alsoformulated to be solvent-free, making them environmentally friendly and safe for use in various settings.

3. Urethane Sealers Require Specialized Equipment for Application

  • Misconception: Some believe that applying urethane sealers requires specialized equipment and professional expertise.
    • Why it’s not true: While proper surface preparation is crucial for applying urethane sealers, they can be applied using standard concrete sealer application equipment such as rollers, sprayers, or brushes. Many urethane sealers are designed for easy application, making them suitable for professionals and DIY enthusiasts.

4. Urethane Sealers Are Only Suitable for Industrial Applications

  • Misconception: There is a misconception that urethane sealers are exclusively meant for industrial or heavy-duty applications.
    • Why it’s not true: Urethane sealers come in various formulations, including options designed for residential and commercial use. They offer excellent protection for surfaces such as garage floors, driveways, patios, and countertops, providing both durability and aesthetic appeal.

5. Urethane Sealers Are Not Compatible with Other Coatings

  • Misconception: Some believe urethane sealers are incompatible with other coatings or overlays.
    • Why it’s not true: Many urethane sealers are formulated to be compatible with a wide range of coatings and overlays, including epoxy coatings and decorative concrete finishes. This compatibility allows for versatility in design and protection options for concrete surfaces.

In conclusion, while there are misconceptions about urethane concrete sealers, advancements in formulation and technology have addressed many of these concerns.

Modern urethane sealers offer breathability, environmental friendliness, ease of application, versatility, and compatibility with various coatings, making them a top coat for concrete and good choice for protecting concrete surfaces in diverse applications.

Urethane concrete floor sealer is easy to apply and compatible for example with epoxy.

Recommended Brands and Products of Urethane Concrete Sealers

Here are some recommendations based on internet search. I have no connection with any product.

  1. Foundation Armor AR350
    • Reason for recommendation: Foundation Armor AR350 is a premium solvent-based sealer known for its superior performance and versatility. It offers excellent UV resistance, protecting concrete against color fading and discoloration. Its deep-penetrating formula provides long-lasting protection and enhances the natural appearance of the concrete. Additionally, it resists mildew, mold, and efflorescence, making it an ideal choice for both interior and exterior concrete surfaces.
  2. Ghostshield 8510
    • Reason for recommendation: Ghostshield 8510 is a high-performance, low-VOC urethane sealer that provides exceptional durability and chemical resistance. It offers superior adhesion, making it suitable for protectsvarious applications, including garage floors, driveways, and industrial floors. Its non-yellowing formula ensures that the concrete maintains its original appearance, while the breathable nature of the sealer helps prevent moisture-related issues.
  3. SuperSeal 2000
    • Reason for recommendation: SuperSeal 2000 is a solvent-based urethane sealer that provides outstanding protection against water, chemicals, and UV rays. It is easy to apply and offers excellent coverage, making it suitable for both DIY enthusiasts and professionals. The sealer enhances the color of the concrete, giving it a rich, wet look while providing long-term protection against staining and deterioration.
  4. Surebond SB-6000
    • Reason for recommendation: Surebond SB-6000 is a high-solid, solvent-based sealer designed to protect and beautify concrete surfaces. Its advanced formula offers unparalleled resistance to abrasion, chemicals, and UV exposure, making it an excellent choice for high-traffic areas and outdoor concrete. The sealer’s ability to withstand freeze-thaw cycles and harsh weather conditions makes it a reliable option for residential and commercial projects.
  5. Euclid Chemical EverClear
    • Reason for recommendation: Euclid Chemical EverClear is a water-based urethane sealer that combines ease of application with exceptional performance. It provides a high-gloss finish, enhancing decorative concrete’s aesthetic appeal while offering superior protection against staining, abrasion, and weathering. Its low-odor, low-VOC formulation makes it an environmentally friendly choice for interior and exterior concrete surfaces.

These recommended urethane concrete sealers stand out for their advanced formulations, proven performance, ease of application, and ability to provide long-term protection for concrete surfaces in various environments.

Each product offers unique features and benefits that cater to different project requirements, making them reliable choices for sealing and enhancing the durability of concrete surfaces.

Conclusion: The Importance of Choosing Urethane Concrete Sealers for Long-term Concrete Protection

In conclusion, urethane concrete sealers are undoubtedly the best choice for long-lasting protection of concrete surfaces, whether it is garage floor coating or industrial urethane coating.

Their superior resistance to chemicals, UV rays, and abrasion sets them apart from other options.

Urethane concrete sealers offer a host of benefits, including water repellency, enhanced appearance, and ease of application.

While they may have some disadvantages, their ability to provide long-lasting protection outweighs these concerns.

When selecting a urethane concrete sealer, it is crucial to consider specific project requirements and follow proper application and maintenance guidelines.

By choosing the right product and implementing proper care, concrete surfaces can enjoy durable protection for year.