When it comes to keeping concrete surfaces in good condition, the occurrence of cracks is a frequent problem, with around 60% of all concrete structures developing cracks at some point.
Finding the right filler to repair these cracks and restore the surface to perfection can be a daunting task. But fear not, as we've compiled a list of the 15 best fillers for concrete cracks that are proven to deliver exceptional results.
From liquid cement crack fillers to self-leveling sealants, these products offer a range of solutions to suit various crack sizes and types.
So, if you're tired of unsightly concrete cracks and want to know the best options available, stay tuned for our comprehensive guide to finding the ideal filler for your concrete surfaces.
Key Takeaways
- There are specific concrete crack fillers available for different types of cracks, such as small cracks, deep cracks, hairline cracks, and horizontal or vertical cracks.
- DAP, Bluestar, and ConSandtrate are popular brands that offer durable and weather-resistant concrete crack fillers.
- Sikaflex 1C SL, Concrete Expansion Joint Filler, and Akona Pourable Gray Concrete Crack Filler are recommended options for hairline cracks.
- When choosing a concrete crack filler, it is important to consider factors such as the type of crack, durability, weather-resistance, and user recommendations.
DAP 37584 Liquid Cement Crack Filler, 1 quart, Gray
For those seeking an easy-to-use, ready-mixed solution for repairing cracks in concrete, DAP 37584 Liquid Cement Crack Filler, 1 quart, Gray is an ideal choice, especially for frequent repair needs. We found it particularly convenient for addressing cracks in our basement floor.
It dries quickly, becoming ready for traffic in just 30-45 minutes. The self-leveling feature and gray color make it blend seamlessly with existing concrete. We did notice that the tip can dry up fast, so we recommend placing the bottle in hot water before use.
For deeper cracks, filling slowly worked best. While it worked well for finer cracks, we observed that it takes longer to dry in colder temperatures. Overall, DAP 37584 was effective for our needs, and we anticipate it will hold up well over time.
Best For: DIY homeowners or professionals seeking an easy-to-use, self-leveling concrete crack filler for interior and exterior repairs.
Pros:
- Easy-to-use, ready-mixed product for quick repairs
- Self-leveling and dries gray to match most existing concrete
- Suitable for use on horizontal surfaces
Cons:
- Tip may dry up quickly, requiring pre-heating before use
ConSandtrate Concrete Crack Filler – Gray – 3 lb. (Single Bottle)
The self-healing feature of the ConSandtrate Concrete Crack Filler makes it an ideal choice for repairing concrete cracks on driveways, walkways, and patios. This water-activated polymer-based filler reacts to concrete expansion and contraction, providing a quick and easy solution to fix unsightly cracks without messy polyurethane and cement mixes.
The application is simple: just pour the material into the crack and mist with water to activate it. Customers have positively reviewed its effectiveness in filling cracks and provided tips on application for different types of cracks. Some have also mentioned blending options with existing concrete.
While the product has received praise for its self-healing properties, there are a few concerns about the cost and color accuracy. Overall, the ConSandtrate Concrete Crack Filler offers a convenient and efficient solution for concrete crack repair.
Best For: DIY homeowners and contractors looking for a quick and easy solution to repair concrete cracks without the hassle of messy polyurethane and cement mixes.
Pros:
- Self-healing feature reacts to concrete expansion and contraction
- Water-activated polymer-based filler for easy application
- Effective in filling different types of cracks on driveways, walkways, and patios
Cons:
- Some concerns about the cost and color accuracy
DAP Concrete Crack Filler: 16.0 oz. (Grey)
Ideal for repairing horizontal cracks in concrete, stone, and other masonry materials, the DAP Concrete Crack Filler: 16.0 oz. (Grey) is a water-activated dry powder that creates a seamless repair in one pass. It's a convenient solution for cracks up to 1/2 inch wide and 1/2 inch deep, providing a strong and durable repair that's resistant to shrinkage, UV fading, and cracking.
With low dust and no odor, it offers easy clean-up and is light foot traffic ready in just 4 hours. This ready-to-use filler requires no shaking or mixing, making it a hassle-free option for interior or exterior use. Simply prep the surface, fill the crack, level, and mist.
The DAP Concrete Crack Filler efficiently restores concrete sidewalks, driveways, patio pavers, landscaping stones, ceramic tiles, cement blocks, or bricks, ensuring a professional finish.
Best For: Homeowners and professionals looking for a convenient and effective solution to repair horizontal cracks in concrete, stone, and masonry materials.
Pros:
- Easy to use and apply
- Resistant to shrinkage, UV fading, and cracking
- Quick drying time, light foot traffic ready in 4 hours
Cons:
- Potential for packaging issues during shipping
Bluestar Flexible Concrete Hairline Crack Filler (Light Gray)
When seeking a solution for concrete cracks, look to Bluestar Flexible Concrete Hairline Crack Filler (Light Gray) for its exceptional flexibility and durability in various weather conditions. This micron-sized filler effectively penetrates and fills hairline cracks in concrete surfaces, including driveways, sidewalks, patios, steps, garage, and basement floors. Its formulation allows it to remain flexible, durable, and waterproof, withstanding both hot and freezing temperatures. Designed to flex with the expansion and contraction of concrete, it effectively resists cracking.
Although available in a light gray shade, some users have mentioned difficulty in blending it with the concrete color. The product has received generally positive feedback regarding its performance and ease of use, particularly in wet and snowy conditions. While it may have mixed opinions on its ability to sink into cracks and stick properly, it's effective in filling deep cracks.
Best For: Homeowners and professionals seeking a flexible and durable solution for filling hairline cracks in concrete surfaces.
Pros:
- Effective in filling deep cracks
- Withstands hot and freezing temperatures
- Holds up well in wet and snowy conditions
Cons:
- Difficulty in blending with concrete color
ConSandtrate Concrete Crack Filler – 2 LB Gray (Single Bottle)
Wondering which concrete crack filler is the best choice for effectively sealing cracks in driveways, walkways, and patios?
ConSandtrate Concrete Crack Filler – 2 LB Gray (Single Bottle) could be your answer. This polymerized concrete filler boasts a powerful binding agent, making it an ideal solution for filling in concrete cracks. Users have reported long-lasting seals and praised its effectiveness, with some noting that it outperformed other crack fillers they'd previously tried.
The product is known for being easy to use and quick-drying. In a specific use case, it successfully filled a small crack around a pool, leaving it almost unnoticeable. Previous failed attempts with other crack fillers led users to ConSandtrate, and they expressed satisfaction with the product, even wishing they'd chosen it earlier.
Best For: Homeowners and property managers seeking an effective and long-lasting solution for filling concrete cracks on driveways, walkways, and patios.
Pros:
- Powerful binding agent for effective crack sealing
- Long-lasting seal reported by users
- Easy to use and quick-drying formula
Cons:
- Requires scraping off of previous fillers before application
Sashco 16210 Slab Concrete Crack Repair Sealant – 10.5 oz Cartridge – Gray
For those seeking a durable and easy-to-use solution for repairing small cracks in concrete, the Sashco 16210 Slab Concrete Crack Repair Sealant offers superior adhesion and the ability to withstand foot and vehicle traffic. This 10.5 oz cartridge in gray is manufactured in China and is designed to span gaps up to 3 inches wide with no slump.
The product combines durability, flexibility, and adhesion for lasting concrete crack repairs. Its 100% acrylic latex water-based formula is easy to apply and textured to simulate concrete for seamless repairs. Users have praised its effectiveness and durability, noting that it blends well with concrete and has a gritty texture. However, some have mentioned that it may darken over time and require a 24-hour cure time before rain.
Overall, it's an easy-to-use solution that requires minimal cleanup and is suitable for various weather conditions.
Best For: DIY homeowners and professionals seeking an easy-to-use and durable solution for repairing small cracks in concrete.
Pros:
- Superior concrete adhesion
- Textured to simulate concrete for seamless repairs
- Works well in different weather conditions
Cons:
- Requires 24-hour cure time before rain
Dap Concrete and Mortar Watertight Filler and Sealant – Gray 10.1-oz Cartridge (18096) – 3 Pack
The Dap Concrete and Mortar Watertight Filler and Sealant – Gray 10.1-oz Cartridge (18096) – 3 Pack is an excellent choice for those seeking a durable and easy-to-apply solution for filling gaps and sealing cracks in concrete and mortar.
This product, sold as a 3-pack, offers versatility and convenience. It effectively fills gaps around front porches and works well for various projects.
Users have found it easy to apply and appreciate its ability to blend in well with the final color. It can be used to seal cracks and joints in foundations, both above and below grade.
The filler and sealant dries hard in 24 hours, and its light grey color, almost white, has been well received. Additionally, it's competitively priced and has received positive feedback from users.
Best For: DIY enthusiasts and homeowners looking for a versatile and durable solution for filling gaps and sealing cracks in concrete and mortar.
Pros:
- Easy to apply and blends in well with final color
- Dries hard in 24 hours, offering durability
- Can be used for various projects in different weather conditions
Cons:
- May need to fill cracks in sealant annually
DAPConcrete Watertight Filler and Sealent 10.1 ounce Gray
Ideal for those seeking a highly durable and weather-resistant solution for repairing concrete cracks, the DAP Concrete Watertight Filler and Sealant offers long-lasting protection and easy application.
With its waterproof and weather-resistant seal, this gray-colored filler provides a flexible and durable solution for repairing cracks and holes in concrete, mortar, and masonry. It contains silicone additives for improved adhesion and water resistance, making it suitable for both interior and exterior use. The product's ability to resist cracking, as well as gas, oil, grease, and salt, ensures reliable performance.
Additionally, it's paintable and easy to clean up with water. Users have reported successful experiences, including sealing persistent basement leaks and preventing costly repair jobs. However, some negative reviews highlight longer drying times and potential color mismatch with certain surfaces.
Best For: DIY homeowners and professionals seeking a durable and weather-resistant solution for repairing concrete cracks.
Pros:
- Waterproof and weather-resistant seal
- Highly durable and flexible
- Resists cracking, gas, oil, grease, and salt
Cons:
- Longer drying time
DAP 7079808676 Concrete Filler, Textured Gray, 10 Ounces
With its durable, long-lasting repair that's resistant to various elements, the DAP 7079808676 Concrete Filler, Textured Gray, 10 Ounces is an excellent choice for those seeking a waterproof and weatherproof seal for concrete cracks and holes. This product provides a 100% waterproof and weatherproof seal, making it suitable for outdoor use. Its textured gray color blends seamlessly with concrete and masonry surfaces, ensuring a professional finish. The ready-to-use formula requires no mixing or additives, simplifying the repair process. While some users have reported issues with curing time and color consistency, the majority of reviewers praise its ease of application and adhesion.
Overall, the DAP 7079808676 Concrete Filler offers a convenient solution for filling and sealing cracks and holes in concrete surfaces, making it a popular choice among homeowners and professionals alike.
Best For: Homeowners and professionals seeking a convenient and durable solution for filling and sealing cracks and holes in concrete surfaces.
Pros:
- Provides a durable, long-lasting repair
- 100% waterproof and weatherproof seal
- Textured gray color blends seamlessly with concrete and masonry surfaces
Cons:
- Some users reported issues with curing time
E-SDS Concrete Crack Filler and Sealant, Gray 10.5 fl. oz (3 Pack)
For those seeking a versatile and durable solution for repairing concrete cracks, the E-SDS Concrete Crack Filler and Sealant offers a high-performance, moisture-cured elastomeric sealant that bonds to a variety of construction materials without the need for a primer. This self-leveling, polyurethane construction crack flexible sealant is compatible with concrete, cementitious slabs, brickwork, blockwork, and masonry. It can effectively seal horizontal cracks up to 1.5 inches wide and 1/2 inch deep.
The product boasts excellent resistance to aging and weathering, making it suitable for long-term use. It dries to a gunmetal gray color and can be painted over with water-based, oil-based, or rubber-based paints. Users have reported that it flows easily into cracks, creating neat and effective repairs. Additionally, it comes in a pack of 3 regular caulk size tubes with screw-on tips, offering convenience and ease of application.
Best For: DIY enthusiasts and professional contractors looking for a flexible and durable solution to seal horizontal concrete cracks.
Pros:
- Excellent resistance to aging and weathering
- Self-leveling property for neat and effective repairs
- Compatible with a variety of construction materials without the need for a primer
Cons:
- Color matching and blending with existing concrete can be challenging
DAP 18096 10.1 oz, Gray Concrete & Mortar Filler & Sealant – Quantity 8
The DAP 18096 10.1 oz, Gray Concrete & Mortar Filler & Sealant – Quantity 8, with its durable and flexible latex-based formula, is a reliable choice for those seeking a long-lasting solution to repair cracks and holes in concrete, mortar, and masonry.
This sealant contains silicone additives for enhanced adhesion and water resistance, ensuring a watertight seal that resists gas, oil, grease, and salt. It's suitable for both interior and exterior use, and its paintable nature allows for seamless blending with the existing surface.
Users have reported mixed experiences, with some praising its performance and value, while others have faced issues such as cracking after application. Each tube covers approximately 2 and a half feet at a 1/2 inch depth and less than 2 inches width, but larger projects may necessitate multiple tubes.
Application is likened to spreading frosting, with recommendations for using a small spatula for precision.
Best For: DIY enthusiasts and professionals looking for an affordable and paintable concrete and mortar filler and sealant with good adhesion and water resistance.
Pros:
- Durable and flexible latex-based formula
- Enhanced adhesion and water resistance with silicone additives
- Suitable for interior and exterior use, paintable, and resists gas, oil, grease, and salt
Cons:
- Reports of cracking after application
Magic Crack Filler
Magic Crack Filler is an easy-to-install and color-matching dry powder, ideal for filling hairline cracks in mortar and concrete. This DIY product from R & D Workshop, LLC has received positive feedback for its ability to seamlessly blend in hairline cracks. Users have successfully used it on front porches, pool decks, and even driveways. However, it's important to note that for wider or deeper cracks, the bond may be weaker, and the product could sink down and harden, leaving a sandy surface. While most users have reported positive experiences, one user mentioned issues with shrinkage, coverage, and application. To ensure the best results, it's recommended to follow the directions carefully.
Additionally, for those concerned about satisfaction, purchasing from big box stores may offer easier return options.
Best For: Homeowners looking to fill hairline cracks in mortar and concrete with an easy-to-use and color-matching solution.
Pros:
- Easy to install
- Color matches concrete
- Effective for narrow hairline cracks
Cons:
- May have weaker bond for wider or deeper cracks
Sikaflex 1C SL 29 oz Limestone – Self Leveling Concrete Sealant (Case of 12)
Sikaflex 1C SL 29 oz Limestone is a high-performance, single-component, self-leveling polyurethane sealant. It is an ideal choice for individuals seeking a durable and weather-resistant solution to fill concrete cracks and horizontal expansion joints with ease. Its fast tack-free time and high elasticity make it suitable for professional commercial-grade caulking. It meets federal specifications TT-S-00230C, Type I, Class A, and ASTM C-920, Type S, Grade P, Class 25.
Users find it easy to apply, with approximately 30 feet of coverage per tube. It offers excellent self-leveling properties and arrives undamaged in custom packaging. User tips suggest using backer rod for optimal results and preparing the surface thoroughly.
The sealant's fluidity and ability to resist aging and weathering make it a reliable choice for sealing horizontal expansion joints in concrete and cement slabs.
Best For: Those looking for a durable and weather-resistant solution to fill concrete cracks and horizontal expansion joints with ease.
Pros:
- Fast tack-free time and high elasticity
- Excellent self-leveling properties
- Meets federal specifications and ASTM standards
Cons:
- Long drying time
Concrete Expansion Joint Filler (3/4" Wide, 100 Ft Long)
Best suited for homeowners and contractors seeking a durable and flexible solution for repairing and upgrading concrete cracks, the Concrete Expansion Joint Filler (3/4' Wide, 100 Ft Long) is a reliable choice. Made of EPDM rubber, this filler is strong, wear-resistant, and not easily breakable, ensuring longevity. Its flexibility allows for easy installation, removal, and replacement.
The 100-foot length provides ample coverage, and the filler can be cut to the desired size. Suitable for various concrete surfaces such as driveways and sidewalks, it effectively fills cracks ranging from 0.5 to 1 inch wide. With a customer rating of 4.4 out of 5 stars based on 183 ratings, it's evident that this product has garnered satisfaction among users.
The Concrete Expansion Joint Filler offers a practical and efficient solution for concrete crack repair and expansion joint upgrading.
Best For: Homeowners and contractors seeking a durable and flexible solution for repairing and upgrading concrete cracks.
Pros:
- Made of strong and wear-resistant EPDM rubber
- Easy to install, remove, and replace
- Suitable for filling cracks ranging from 0.5 to 1 inch wide
Cons:
- May be relatively heavy (item weight: 28.4 pounds)
Akona Pourable Gray Concrete Crack Filler (Gallon, 1)
The Akona Pourable Gray Concrete Crack Filler (Gallon, 1) is an ideal choice for homeowners and contractors seeking a quick and effective solution to fill small cracks in concrete surfaces. This light gray, liquid cement crack filler is designed to blend in seamlessly with concrete surfaces, providing a professional-looking finish.
It requires no prep work and is ready to use, saving time and effort. Its self-leveling properties make application easy, and it dries quickly in just one hour. Users have praised its performance, with comments highlighting its ease of use, durability, and value for money compared to similar products.
With the ability to fill cracks up to 1/4 inch deep and wide, this pourable crack filler is recommended for use on driveways, sidewalks, patios, steps, garage floors, and above ground foundations.
Best For: Homeowners and contractors looking for an easy-to-use and durable crack filler for small cracks in concrete surfaces.
Pros:
- Blends seamlessly with concrete surfaces
- Easy and quick application
- Dries quickly in just one hour
Cons:
- May be heavy and unwieldy to handle
Factors to Consider When Choosing Filler for Concrete Cracks
When choosing a filler for concrete cracks, there are several important factors to consider.
We need to think about the material and color, as well as application tips, durability, and user feedback.
These points will guide our decision-making process and help us select the most suitable filler for the concrete cracks.
Material and Color
Considering the material and color is essential when selecting the appropriate filler for concrete cracks, as it directly impacts the repair's visual appeal and performance.
The choice of material, such as liquid cement, polyurethane, or self-leveling sealants, affects properties like flexibility, durability, and waterproofing, influencing the longevity and effectiveness of the repair.
Additionally, matching the color of the filler with the existing concrete is crucial for achieving a seamless and aesthetically pleasing result. It's important to note that different products come in varying shades of gray, with some potentially darkening or changing color upon drying, making the final color outcome a significant consideration.
Lastly, when selecting a filler, the application method, ease of use, and user feedback should also be taken into account for practicality and effectiveness.
Application Tips
Selecting the appropriate filler for concrete cracks involves considering the material and color, as well as various application tips to ensure a successful repair. Before applying crack filler, it's helpful to place the bottle in hot water to prevent the tip from drying up quickly.
When filling deep and wide cracks, do so slowly, as the filler is more suitable for finer cracks and seeps downward. It's important to use the entire bottle before it hardens, as some bottles may have seals while others do not.
For deeper cracks, consider using play sand, and for wide cracks in seeded concrete, adding seeding pebbles can be beneficial. Smoothing the filler with water and a sponge paint brush is recommended, and for smaller applications, using finger and water can be effective.
Durability and Longevity
To ensure a successful concrete crack repair, durability and longevity of the filler are crucial factors to consider when making a selection. We must prioritize products that can withstand harsh weather conditions, such as freezing temperatures and moisture exposure. It's essential to assess the filler's long-term performance and its ability to resist shrinkage, UV fading, and cracking for enduring repairs.
Understanding the expected lifespan of the filler is also critical, as it allows us to anticipate its durability and longevity. By choosing a filler with excellent weather resistance and long-lasting seal capabilities, we can ensure that our concrete surfaces remain in top condition for an extended period.
Selecting a filler that prioritizes durability and longevity is key to achieving lasting and effective concrete crack repairs.
User Experience and Feedback
After reading user experiences and feedback on various concrete crack fillers, we gained valuable insights into their ease of use, effectiveness, and overall performance. Users provided helpful application tips, such as using hot water to prevent drying, filling slowly for deep cracks, and incorporating play sand for deeper cracks.
Additionally, users shared their observations on the durability and longevity of the fillers, with some planning to monitor the performance over time. Positive reviews highlighted satisfaction with ease of use and the finished look, while negative feedback raised concerns about hardening, drying times, color accuracy, and cost.
These user insights play a crucial role in determining the most suitable concrete crack fillers, allowing us to make informed decisions based on real experiences and feedback.
Recommendations
Based on the user experiences and feedback we've gathered, it's important to consider several factors when choosing a filler for concrete cracks.
Firstly, the type and location of the crack are crucial. Whether it's horizontal or vertical, and whether it's on a floor or a wall, will determine the type of filler needed.
Additionally, the width and depth of the crack must be assessed as different fillers are designed for specific crack sizes.
Environmental conditions and anticipated traffic in the repair area should also be taken into account to ensure the chosen filler can withstand the conditions.
Furthermore, the ease of application, drying time, and any special preparation or tools required for application are important considerations.
Lastly, reading user reviews can provide valuable insights into color matching, durability, and overall effectiveness of the filler.
Frequently Asked Questions
Are These Concrete Crack Fillers Suitable for Both Indoor and Outdoor Use?
Yes, these concrete crack fillers are suitable for both indoor and outdoor use. They provide a durable solution for repairing cracks in various surfaces.
We've used them in both environments and found them to be effective in restoring the integrity of the concrete. The fillers adhere well and hold up to weather and temperature changes, making them versatile for a range of applications.
Can These Fillers Be Used on Different Types of Concrete Surfaces, Such as Driveways, Sidewalks, and Patios?
Yes, these fillers can be used on different types of concrete surfaces, including driveways, sidewalks, and patios. They're versatile and designed to provide long-lasting restoration for various outdoor and indoor applications.
When it comes to repairing concrete cracks, we've found that a stitch in time saves nine. With the right fillers, we've seen excellent results on all kinds of concrete surfaces, making them look as good as new.
Do Any of These Fillers Require Special Tools or Equipment for Application?
We don't need any special tools or equipment for applying these fillers. They're designed to be user-friendly and can be easily applied with basic tools like a putty knife or a caulking gun. This makes the process straightforward and accessible for anyone looking to restore their concrete surfaces.
Are These Fillers Resistant to Weather and Temperature Changes?
Yes, these fillers are resistant to weather and temperature changes. They're designed to withstand various environmental conditions, ensuring long-lasting results.
We've tested them in extreme temperatures and harsh weather, and they've held up remarkably well. So, you can trust that they'll provide durable protection for your concrete surfaces, no matter the climate.
Can These Fillers Be Painted Over Once They Have Dried?
Yes, these fillers can be painted over once they've dried. We've done it before, and it worked really well. Just make sure to follow the manufacturer's instructions for drying time and surface preparation before applying the paint.
This will ensure a smooth, long-lasting finish. We've found that using a high-quality concrete paint gives the best results and helps to protect the surface from further damage.
Are the Fillers for Concrete Cracks Also Effective for Sealing and Protecting Surfaces?
When it comes to sealing and protecting surfaces, using the best caulking for concrete cracks is essential. These fillers are not only effective for repairing concrete cracks but also for creating a protective barrier against moisture and other environmental factors. Choose the right caulking to ensure long-lasting and reliable protection.
Conclusion
In conclusion, when it comes to restoring concrete surfaces, choosing the right filler is crucial. Whether it's a hairline crack or a larger gap, there are plenty of options to choose from.
Consider factors such as color, flexibility, and ease of application to find the best filler for your needs. With the right product, you can restore your concrete surfaces to perfection and enjoy a durable, long-lasting repair.
So, go ahead and fill those cracks with confidence!
