15 Best Liquid Cement Crack Fillers to Repair Your Concrete Like a Pro

When it comes to fixing concrete cracks, these are some top liquid crack fillers: DAP 37584 Gray sets fast for cracks up to 1/2 inch. Red Devil Pre-Mixed Patch is easy to clean and for indoor/outdoor use. Akona Pourable Gray dries in an hour for pro results. Sika Sikacryl blends textures seamlessly. 946mL Grey Seal flows well into cracks with color blending. ConSandtrate fills like cement, but consider durability. Red Devil Acrylic Sealant adheres to various surfaces. Consider crack size, drying time, and self-leveling properties. Remember to prep well before application. Each filler offers unique benefits—pick the best for your project.

Key Takeaways

• Choose a filler with self-leveling properties for easy application.
• Consider compatibility for both interior and exterior repairs.
• Opt for quick-drying formulas to match project timelines.
• Ensure ease of application with tools like trowels or putty knives.
• Look for durability in extreme weather conditions for long-lasting repairs.

DAP 37584 Liquid Cement Crack Filler, 1 quart, Gray

When seeking a ready-mixed solution for concrete crack repair that sets quickly and is ideal for cracks up to 1/2 inch wide, DAP 37584 Liquid Cement Crack Filler in Gray is the top choice. This 1-quart product from DAP offers a convenient way to repair cracks in concrete, both indoors and outdoors. It dries to a gray finish, blending well with existing concrete surfaces.

Users have noted its quick setting time of 30 to 45 minutes, making it important to prepare the crack properly before applying the filler. This elastic product is easy to apply, especially for fine cracks, and can be layered for deeper repairs. Overall, DAP 37584 is a reliable choice for those looking for a durable and efficient concrete crack repair solution.

Best For: DIY enthusiasts and homeowners looking for a quick-setting and easy-to-use solution for repairing concrete cracks up to 1/2 inch wide.

Pros:

• Quick setting time of 30 to 45 minutes
• Easy to apply, especially for fine cracks
• Durable and efficient solution for concrete crack repairs

Cons:

• Requires careful use to prevent hardening in the bottle

DAP 37584 Liquid Cement Crack Filler-Quart Bottle (2 Pack)

For those seeking an easy-to-use solution for repairing cracks in both interior and exterior concrete surfaces, the DAP 37584 Liquid Cement Crack Filler-Quart Bottle (2 Pack) offers a self-leveling, ready-mixed product that dries gray to seamlessly blend with existing concrete.

This product, manufactured by DAP, comes in a 1-quart bottle as a 2-pack, making it convenient for larger repair projects. The gray color of the filler guarantees a good match with most concrete surfaces, both indoors and outdoors.

Users have reported that it's easy to apply and sets within 30-45 minutes, getting your surfaces ready for traffic relatively quickly. While some users mentioned the need for proper surface preparation for best results, others praised its durability in varying weather conditions.

It's worth noting that the color may appear slightly lighter than fully cured concrete.

Best For: DIY enthusiasts and homeowners looking for an easy-to-use solution to repair concrete cracks both indoors and outdoors.

Pros:

• Easy application and self-leveling feature
• Quick drying time of 30-45 minutes
• Durability in extreme weather conditions

Cons:

• Requires proper surface preparation for optimal results

Red Devil Pre-Mixed Concrete Patch (5.5 Oz Squeeze Tube, Gray)

Ideal for those seeking a quick and durable solution for concrete or masonry repairs, the Red Devil Pre-Mixed Concrete Patch in a 5.5 oz squeeze tube offers a convenient and effective option. This ready-to-use formula is perfect for fixing holes, cracks, and imperfections in concrete or masonry surfaces.

The patch dries to a light to medium gray color, blending well with lighter shades of concrete. Its maximum flexibility prevents shrinking or cracking, ensuring a long-lasting repair. Suitable for both interior and exterior repairs, this patch is easy to clean up with just soap and water.

Customers have praised its ease of application and effectiveness for small patch jobs, although some noted slight color discrepancies. For a sturdy and reliable concrete repair, the Red Devil Pre-Mixed Concrete Patch is a solid choice.

Best For: DIY enthusiasts and homeowners looking for a convenient and effective solution for repairing concrete or masonry surfaces.

Pros:

• Easy to apply with a putty knife or trowel.
• Maximum flexibility prevents shrinking or cracking for a permanent repair.
• Suitable for both interior and exterior repairs.

Cons:

• Slight color discrepancies may be noticed when compared to existing concrete.

Akona Pourable Gray Concrete Crack Filler (Gallon)

Users seeking a convenient solution for filling cracks in concrete surfaces up to 1/4 inch deep and wide may find the Akona Pourable Gray Concrete Crack Filler (Gallon) to be a reliable choice. This light gray filler blends well with concrete, making repairs less noticeable. It requires no prep work, dries in just one hour, and is suitable for various surfaces like driveways, sidewalks, and patios.

While users find the application easy and appreciate the self-leveling feature for professional-looking results, some mention difficulties with dispensing due to the heavy and unwieldy bottle design. Despite this, the product overall receives positive feedback for its appearance and performance, making it a recommended option for those looking to tackle concrete crack repairs effectively.

Best For: DIY enthusiasts and homeowners looking for an easy and effective solution to fill concrete cracks up to 1/4 inch deep and wide.

Pros:

• Easy application saves time
• Self-leveling for professional-looking results
• Suitable for various concrete surfaces like driveways, sidewalks, and patios

Cons:

• Heavy and unwieldy bottle design may make dispensing difficult

Sika Sikacryl Gray Concrete Patch (1 qt)

When repairing spalls and cracks in concrete and masonry, consider Sika Sikacryl Gray Concrete Patch (1 qt) for its textured seamless blending with existing structures, high strength, and easy cleanup with water.

This acrylic latex-based patch is formulated to prevent shrinking or cracking, providing good adhesion and durability. Its compliance with regulations on volatile organic compounds guarantees a cleaner environment.

With minimal preparation needed, this premixed solution sets in a few hours and fully cures in about a day. At 3.2 pounds, the 5 x 5 x 5-inch container offers ample coverage in a gray shade ideal for walls.

Whether you're an amateur or a professional, this product provides a reliable option for concrete and masonry repairs.

Best For: DIY enthusiasts and professional contractors looking for a durable and easy-to-use concrete patch for repairing spalls and cracks in concrete and masonry.

Pros:

• Textured for seamless blending with existing structures.
• Formulated to prevent shrinking or cracking, offering good adhesion and high strength.
• Acrylic-based for easy cleanup with water.

Cons:

• Potential issues with water resistance in certain conditions.

DAPConcrete Watertight Filler and Sealent 10.1 ounce Gray

For anyone seeking a highly durable and weather-resistant solution for filling cracks in concrete, the DAPConcrete Watertight Filler and Sealant in 10.1 ounces of gray is an excellent choice. This product offers a waterproof and weather-resistant seal, ensuring long-lasting protection for your concrete surfaces.

Manufactured in the United States, it contains no flammable or toxic solvents, making it safe to use. The filler provides a weather-tight and flexible seal that resists cracking, effectively sealing hairline cracks and leaky spots. Easy to work with, it can be cleaned up before curing with just soap and water.

While some customers note it may shrink in larger gaps after a few months, its overall effectiveness in sealing and waterproofing makes it a valuable product for concrete repair projects.

Best For: DIY enthusiasts and homeowners looking for an effective and easy-to-use solution to fill cracks and holes in concrete surfaces.

Pros:

• Easy to work with and apply
• Great for filling cracks and hairline cracks in concrete
• Provides a weather-tight and flexible seal, resisting cracking

Cons:

• May shrink in larger gaps after a few months

CRACK FILLER GRAY 16OZ

Ideal for seamless concrete repairs, the DAP Concrete Crack Filler in gray 16oz offers a water-activated dry powder solution that hardens to fill cracks with ease.

This product doesn't require shaking or mixing; it simply hardens in one pass, making it convenient for repairing cracks in concrete sidewalks, driveways, patio pavers, and more.

With its resistance to UV fading, cracking, and shrinking, this crack filler provides a durable solution for both interior and exterior use.

Users have praised its easy application and effectiveness in filling cracks, though some have noted settlement issues in certain areas.

Available at an affordable price of around $5.00 per bottle on Amazon, this crack filler in gray is a cost-effective option for your concrete repair needs.

Best For: DIY enthusiasts and homeowners looking for an easy-to-use and cost-effective solution for repairing concrete cracks.

Pros:

• No shaking or mixing required; hardens to fill cracks in one pass.
• Resists UV fading, cracking, and shrinking.
• Easy-to-pour formula for filling horizontal cracks.

Cons:

• Some users experienced settlement issues in certain areas.

Dap Concrete and Mortar Watertight Filler and Sealant, Gray (18096) – 3 Pack

The Dap Concrete and Mortar Watertight Filler and Sealant, Gray (18096) – 3 Pack is a high-performance, latex-based sealant formulated to effectively repair cracks and holes in concrete, mortar, and masonry. This product contains silicone additives for improved adhesion and water resistance, making it suitable for both interior and exterior use.

Customers have found it easy to apply, with the ability to fill cracks and holes effectively. While some users have noted minor issues like the need to fill tiny cracks in the sealant annually, overall, it dries quickly, seals well, and can be painted over. It offers a durable seal, but long-term durability may vary depending on weather conditions.

This sealant is recommended for its sealing capabilities and ease of application, making it a reliable choice for concrete repairs.

Best For: DIY homeowners looking to effectively seal cracks and holes in concrete and mortar.

Pros:

• Easy to apply and smooth out
• Dries quickly and seals effectively
• Can be painted over for a finished look

Cons:

• May require annual maintenance to fill tiny cracks

Quikrete Concrete Crack Seal Natural 1 Qt

When tackling concrete crack repairs, consider the Quikrete Concrete Crack Seal Natural 1 Qt for a user-friendly and durable solution. This product, manufactured in China by SAKRETE OF NORTH AMERICA, weighs 2 pounds and comes in a convenient 1.5 x 3.5 x 10-inch container. Its gray latex emulsion material makes it easy to match with your existing concrete.

With a Best Sellers Rank of #22,555 in Tools & Home Improvement and #7 in Concrete, this crack sealant has garnered positive customer feedback, boasting a 4.4 out of 5 stars rating from 1,637 reviews. Users appreciate its easy application with the squeeze top and its ability to effectively fill and seal cracks in concrete, providing a hassle-free solution for your repair needs.

Best For: DIY homeowners looking for an easy-to-use and effective solution for repairing concrete cracks.

Pros:

• Easy application with squeeze top
• Liquid enough to fill small cracks effectively
• Provides a fast and simple solution for fixing concrete cracks

Cons:

• May not be suitable for larger or deep cracks

Bluestar Flexible Concrete Hairline Crack Filler (Light Gray)

For those seeking a flexible and durable solution to fill hairline cracks in concrete surfaces, the Bluestar Flexible Concrete Hairline Crack Filler in Light Gray offers a reliable choice. This micron-sized filler is designed to penetrate and fill small cracks in various concrete surfaces such as driveways, sidewalks, patios, steps, garages, and basement floors.

Formulated to withstand hot and freezing temperatures, this crack filler remains flexible and waterproof. It flexes along with the concrete's expansion and contraction, preventing further cracking and maintaining a visually pleasing appearance. Available in Light Gray, this 8 fl. oz. bottle is made in the U.S.A.

Users have reported positive experiences with this product, praising its effectiveness in filling cracks and its ease of application.

Best For: Homeowners looking for an easy-to-use solution to fill hairline cracks in concrete surfaces.

Pros:

• Effective in filling small cracks.
• Maintains flexibility and durability in various weather conditions.
• Aesthetically pleasing appearance after application.

Cons:

• Some users experienced minor issues with excess product during application.

DAP 7079808676 Concrete Filler, Textured Gray, 10 Ounces

Ideal for quick and easy concrete crack filling, the DAP 7079808676 Concrete Filler in Textured Gray offers a durable, weatherproof solution with no mixing required. This product fills and seals cracks and holes in concrete surfaces, providing a long-lasting repair that's resistant to gasoline, salt, grease, or oil once cured. Its 100% waterproof and weatherproof seal guarantees reliable performance.

Customers have praised its ease of use, with comments like 'Fill Crack easily' and 'Worked great to fill gaps.' The textured gray color blends well with concrete and masonry surfaces. To achieve the best results, apply in thin layers to avoid the light color standing out, and consider ordering extra tubes for larger cracks.

Overall, this concrete filler is a convenient and effective solution for your repair needs.

Best For: DIY enthusiasts and homeowners looking for an easy-to-use concrete filler for repairing cracks and holes in concrete surfaces.

Pros:

• No mixing required, ready to use.
• Provides durable, long-lasting repairs resistant to various elements.
• Textured gray color blends well with concrete and masonry surfaces.

Cons:

• Light color may stand out if applied too thickly.

E-SDS Concrete Crack Filler and Sealant (Gray, 10.5 fl. oz, 3 Pack)

Crafted with a polyurethane-based formula, the E-SDS Concrete Crack Filler and Sealant (Gray, 10.5 fl. oz, 3 Pack) offers exceptional adhesion and durability for various construction materials, making it a reliable choice for sealing horizontal cracks in concrete structures.

This sealant is compatible with concrete, cementitious slabs, brickwork, blockwork, and masonry, bonding without the need for a primer. It effectively seals cracks up to 1.5 inches wide and 1/2 inch deep.

The polyurethane-based formula ensures excellent adhesion and durability, resisting aging and weathering while remaining flexible with high cut and tear resistance. Additionally, it can be used in submerged conditions and is paintable with various paints.

Consider storing above 5°C to prevent freezing and be mindful of using foam for wider cracks to prevent overflow. Allow for sufficient drying time for best results.

Best For: DIY enthusiasts and homeowners looking to seal small to medium-sized horizontal cracks in concrete structures.

Pros:

• Excellent adhesion to various construction materials without a primer.
• Resistant to aging and weathering, maintaining flexibility and durability.
• Paintable with a variety of paints for a customized finish.

Cons:

• Potential issues with frozen tubes affecting product dispensing.

946mL Grey Concrete Crack Seal

When repairing cracks in horizontal concrete surfaces like sidewalks, patios, and driveways, the 946mL Grey Concrete Crack Seal stands out as a reliable choice due to its easy application and strong adhesion properties. This product features a uniformly blended latex emulsion that adheres well to all horizontal concrete surfaces without the need for mixing.

Its ready-to-use formula flows smoothly into cracks, blending seamlessly with the natural color of the concrete. Customers have praised its effectiveness in preventing water leaks and filling cracks, although some noted a slight color discrepancy and a clogging issue towards the end of use.

Overall, the 946mL Grey Concrete Crack Seal is recommended for its ease of use, ability to blend with concrete color, and strength once dried.

Best For: Homeowners looking for an easy-to-use solution to repair cracks in their concrete surfaces.

Pros:

• Easy to use with no mixing required
• Flows well into cracks for thorough filling
• Blends seamlessly with the natural color of concrete

Cons:

• Slight color discrepancy may be noticeable

ConSandtrate Concrete Crack Filler – Tan (3 lb. Single Bottle)

For those seeking a user-friendly solution to fill concrete cracks on driveways, walkways, and patios with ease, the ConSandtrate Concrete Crack Filler in Tan, weighing 3 lbs. in a single bottle, offers a convenient option.

This tan-colored filler provides a 'worn-in' look that blends well with old concrete surfaces. Applying this product is a breeze – simply lightly dust along cracks for better control. Users have reported that it fills cracks nicely, resembling cement when dry. A light misting with water after application helps it adhere better.

While some find it easy to apply and effective in filling cracks, there are concerns about its durability and flexibility in extreme temperatures. For those looking for a simple DIY fix for small to medium-sized cracks, this filler could be worth trying out.

Best For: Homeowners looking for a user-friendly solution to fill small to medium-sized concrete cracks on driveways, walkways, and patios.

Pros:

• Easy to apply with finger for better control
• Blends well with old concrete for a seamless look
• Effective in filling cracks and resembling cement when dry

Cons:

• Concerns about durability and flexibility in extreme temperatures

Red Devil 0646 Masonry and Concrete Acrylic Sealant, Pack of 1, Gray

Ideal for individuals seeking a durable and easy-to-use solution for sealing cracks in concrete and masonry, the Red Devil 0646 Masonry and Concrete Acrylic Sealant in Gray offers excellent adhesion and a textured finish that mimics concrete or mortar. This sealant is praised for its user-friendly application and cleanup process, making it a popular choice for DIY projects.

While it may take some time to dry completely, users appreciate its durability and effectiveness in sealing cracks and joints. The versatility of this product is evident as it blends seamlessly with concrete, mortar, stone, cinder block, and brick, matching various masonry colors.

For long-lasting repairs that withstand different weather conditions, the Red Devil 0646 Masonry and Concrete Acrylic Sealant is recommended for pointing, mortar repairs, re-grouting, and minor hole filling.

Best For: DIY enthusiasts looking for a versatile and durable solution for sealing cracks in concrete and masonry.

Pros:

• Easy application and cleanup process
• Excellent adhesion and textured finish
• Versatile for use on various surfaces like concrete, mortar, stone, cinder block, and brick

Cons:

• Takes time to dry completely

Factors to Consider When Choosing Liquid Cement Crack Filler

When selecting a liquid cement crack filler, it's important to take into account key factors like:

• Application tips
• User experiences
• Storage guidelines
• Buying tips

These aspects can help guarantee the product meets your specific repair needs and performs effectively. By taking these points into consideration, you can make a well-informed decision on the best crack filler for your concrete repair project.

Key Considerations

Considering the crack size is vital when selecting a liquid cement crack filler for concrete repair. Different products are designed to fill cracks of specific widths and depths effectively. Look for self-leveling properties in a filler as they help in achieving a smooth and uniform finish.

It's important to check the compatibility of the filler for both interior and exterior applications. Opt for products with a quick drying time that aligns with your project timeline.

Also, prioritize ease of application when choosing a liquid cement crack filler; select a product that's user-friendly and can be applied with common tools like a trowel or putty knife. By keeping these key considerations in mind, you can ensure a successful concrete repair job.

Application Tips

Before applying a liquid cement crack filler for concrete repair, make sure to thoroughly clean and prepare the area. Use a drill with a paint mixer attachment to guarantee a smooth and consistent flow of the product.

When applying the filler, remember to do so in thin layers, especially for fine cracks, to achieve the best results. For deeper cracks, consider applying the filler in multiple layers, allowing each layer to dry before adding more. This method guarantees proper coverage and adhesion.

It's recommended to use this filler for cracks up to 1/2 inch wide. By following these application tips, you can effectively repair your concrete like a professional.

User Experiences

In my experience, the key aspects to consider when selecting a liquid cement crack filler for concrete repair are its ease of application and effectiveness in sealing cracks. Users have found these fillers easy to apply, allowing for quick repairs of cracks in concrete. Some users may need to apply multiple layers for deeper or wider cracks to guarantee a proper seal.

The quick drying time of liquid cement crack fillers enables traffic or further work to resume promptly. Proper preparation of the crack and the surrounding area is vital for best results. These fillers are versatile and can be used for both interior and exterior concrete crack repairs, making them a convenient choice for various projects.

Storage Guidelines

When selecting a liquid cement crack filler for concrete repair, it's important to pay attention to proper storage guidelines to maintain its effectiveness and longevity. Store the product in stable temperature areas to prevent damage and keep it covered when not in use to preserve its freshness.

Before applying, shake the bottle to check for signs of freshness. Avoid storing opened bottles as they may harden over time, reducing their effectiveness. Proper storage practices are crucial to ensuring that your liquid cement crack filler remains in good condition and ready for use when needed.

Buying Tips

Considering the factors that influence your choice of liquid cement crack filler is crucial for successful concrete repair projects.

When purchasing a liquid cement crack filler, look for a sealed spout to guarantee the product is fresh and of high quality. Buying locally can provide confidence in freshness. Opt for a product with a small opening if it's thin to prevent spillage during application.

If you buy a product online and it arrives hardened, make sure to return it for a refund or replacement. Before using the crack filler, remember to shake the bottle to check its freshness and consistency.

These buying tips will help you select the right liquid cement crack filler for your concrete repair needs.

Final Thoughts

Taking into account the various factors discussed, one can confidently select a liquid cement crack filler that meets their specific concrete repair requirements. When choosing a crack filler, it's important to prioritize durability and weather resistance for long-lasting repairs. Look for products with self-leveling properties to guarantee a smooth and professional finish.

Check the compatibility of the filler with different surfaces like concrete, masonry, or brick. Evaluate the ease of application and cleanup to make the repair process hassle-free. Lastly, make sure the crack filler matches the color of the existing concrete for a seamless blend.

Frequently Asked Questions

Can Liquid Cement Crack Fillers Be Used on Both Indoor and Outdoor Surfaces?

Yes, liquid cement crack fillers can typically be used on both indoor and outdoor surfaces. These products are designed to provide durable repairs to concrete cracks, whether they're inside your home or on your patio.

Just make sure to read the specific instructions on the product you choose to confirm it's suitable for the intended application area. Always follow proper safety precautions when using these fillers.

How Long Does It Take for the Crack Filler to Fully Cure?

It typically takes liquid cement crack fillers about 24 hours to fully cure. During this time, the filler hardens and sets, guaranteeing a strong and durable repair.

It's important to allow this curing period before subjecting the repaired area to heavy use or traffic. Following the manufacturer's instructions on application and curing times will help guarantee the best results for your concrete repair project.

Are These Crack Fillers Paintable Once They Have Dried?

Yes, once the crack fillers have dried, they're paintable. This feature allows for seamless blending with your existing concrete surface.

However, it's important to make sure that the filler is fully cured before painting to achieve the best results. I suggest waiting for at least 24 hours to confirm the fillers have hardened completely.

Painting over uncured filler can lead to issues with adhesion and durability.

Can These Products Be Used on Vertical Surfaces Like Walls or Columns?

Yes, these products can be used on vertical surfaces like walls or columns.

The liquid cement crack fillers are designed to adhere to various surfaces, including concrete walls and columns, providing a reliable solution for repairing cracks in these areas.

When applying the filler on vertical surfaces, make sure proper adhesion by following the manufacturer's instructions for application and drying times.

This versatility makes them suitable for a wide range of concrete repair projects.

Do These Crack Fillers Have Any Specific Temperature or Weather Requirements for Application?

Yes, these crack fillers typically require a specific temperature range for best application. It's important to follow the manufacturer's guidelines to guarantee the product sets correctly.

Extreme temperatures can impact the drying process, so it's vital to work within the recommended range for the best results.

Always check the instructions to avoid any weather-related issues that could affect the effectiveness of the crack filler.

Conclusion

In the world of concrete repair, choosing the right liquid cement crack filler can make all the difference. Just like a skilled craftsman selects the perfect tool for the job, picking the best product can guarantee a professional finish.

With options like DAP, Red Devil, and Sika, you can easily find a solution to fix cracks and restore your concrete surfaces with ease.

Make your repair projects a breeze with these top-rated crack fillers!