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The Best Concrete Crack Filler For Large Cracks – A Comprehensive Guide

Hey there, fellow product enthusiasts! If you’re dealing with unsightly cracks in your concrete driveways or floors, you’ve come to the right place. I’m here to share with you my findings on the best concrete crack fillers specifically designed for those pesky large cracks. In this comprehensive guide, I’ve thoroughly tested and analyzed several products to help you make an informed decision and ensure your concrete surfaces are restored to their former glory.

When it comes to selecting the perfect concrete crack filler for large cracks, it’s crucial to consider a product that not only effectively fills and seals the gaps but also provides long-lasting durability. Nobody wants to deal with recurring cracks after all the effort put into repairing them! Throughout my rigorous testing process, I’ve taken into account factors such as effectiveness, ease of application, drying time, and overall value for money.

So, if you’re ready to bid farewell to those bothersome cracks once and for all, join me on this journey as we explore the top contenders for the best concrete crack filler for large cracks. Don’t miss out on this comprehensive guide that will help you find the perfect solution to restore the integrity and aesthetic appeal of your concrete surfaces. Let’s get started! Scroll down to see the full list of carefully curated products that made the cut.

DAP 37584 Liquid Cement Crack Filler, 1 quart, Gray

We included the DAP 37584 Liquid Cement Crack Filler as the second product on our list because it is not only easy to use, but it also provides quick and effective repairs for cracks in concrete. This ready mixed product saves you time and effort, as there is no need for any additional mixing or preparation.

As a result of the self-leveling formula, the filler settles evenly into cracks, resulting in smooth and seamless repairs. Another great feature is its quick drying time, allowing you to return to normal traffic in just 30 to 45 minutes. The gray color blends well with most existing concrete, making it hardly noticeable once dry. Suitable for both indoor and outdoor use, this 1-quart container is sufficient for smaller repair projects. Overall, the DAP 37584 Liquid Cement Crack Filler is a reliable solution that delivers professional-looking results with minimal effort.


– Easy to use and ready mixed
– Quick drying and ready for traffic in 30-45 minutes
– Self-leveling for a smooth finish
– Matches most existing concrete with a gray color
– Suitable for both interior and exterior use


– Limited shelf life once opened
– May require multiple applications for larger cracks
– Dries to a slightly lighter shade of gray
– May not adhere well to certain types of concrete surfaces
– Not recommended for use on vertical cracks

Dap 18021 Concrete and Mortar Watertight Filler and Sealant – Gray 10.1-oz Cartridge (18096). Sold as 3 Pack

After testing out the Dap 18021 Concrete and Mortar Watertight Filler and Sealant, we were impressed with its performance and versatility. This product truly lives up to its claims of being a reliable solution for sealing and filling cracks in concrete and mortar.

One of the best things about this filler and sealant is its ease of use. The 10.1-ounce cartridge is the perfect size for small to medium-sized projects, and the gray color blends seamlessly with the surrounding concrete or mortar. The nozzle also allows for precise application, making it easy to fill in cracks and gaps effectively.

Additionally, we found the watertight properties of this product to be exceptional. It creates a strong bond that prevents water from seeping through, ensuring long-lasting protection. Whether you’re dealing with a leaky basement or looking to repair your driveway, this product is up to the task.

Dap 18021 Concrete and Mortar Watertight Filler and Sealant is a reliable and effective solution for sealing and filling cracks in concrete and mortar. Its ease of use, precise application, and exceptional watertight properties make it the perfect choice for any concrete or mortar repair project. We highly recommend giving it a try for all your concrete sealing needs.


– Provides watertight seal for concrete and mortar.
– Gray color blends well with concrete surfaces.
– Comes in a convenient 10.1-oz cartridge.
– Sold as a 3 pack for added value.
– Can be used for both filling and sealing purposes.


– May not adhere well to certain surfaces.
– Limited color options available (only gray).
– Can be challenging to work with for beginners.
– May require multiple applications for optimal results.
– May not withstand extreme weather conditions.

Akona Pourable Gray Concrete Crack Filler – Light Gray, Liquid Cement Crack Filler, Sealer, Filler for Driveways, Slabs, Sidewalks, Floors, Garages, & More, Waterproof (Quart, 1)

After testing various concrete crack fillers on the market, we came across the Akona Pourable Gray Concrete Crack Filler and it quickly grabbed our attention. What sets this product apart from the competition is its discreet light gray color that seamlessly blends with any concrete surface. No more unsightly, mismatched patches on your driveway or pathway!

One of the standout features of the Akona Crack Filler is its ability to effectively work on small cracks. With a maximum depth and width of 1/4 inch, you can confidently repair those minor imperfections without the need for costly professional assistance. And the best part? It dries quickly, with a mere one-hour wait time. Say goodbye to lengthy repair projects that disrupt your daily routine.

The convenience factor of this product is undeniable. It requires no preparation whatsoever, making it a hassle-free solution for homeowners and DIY enthusiasts alike. Simply give it a gentle shake, clip the tip, and you’re good to go. Its versatility is another bonus – whether you have cracks on your driveway, sidewalks, patios, steps, garage floors, or above ground foundations, the Akona Crack Filler has got you covered.

To top it off, this crack filler is waterproof, ensuring long-lasting and durable repairs. It safeguards your concrete against moisture damage, prolonging its lifespan and saving you from unnecessary repair expenses down the line.

All in all, the Akona Pourable Gray Concrete Crack Filler is a reliable and efficient solution for those pesky cracks in your concrete surfaces. Its discreet color, quick-drying formula, and versatile application make it a standout option in the market. Say goodbye to unsightly cracks and hello to a smooth, flawless finish.


– Blends in with concrete surfaces for a discrete appearance.
– Can be used in small cracks up to 1/4 inch deep and wide.
– Dries quickly in just 1 hour.
– No preparation required, ready to use.
– Universal application for various concrete surfaces like driveways, garages, and more.


– May require multiple applications for larger cracks
– Limited color options (only available in light gray)
– Not suitable for cracks deeper than 1/4 inch
– May not adhere well to certain surfaces
– Can be messy and difficult to apply in tight spaces.

ConSandtrate Concrete Crack Filler – Brown – 3 lb. (Single Bottle) for Filling in Concrete Cracks on driveways, walkways and patios.

We recently came across the ConSandtrate Concrete Crack Filler and were thoroughly impressed with its performance. It quickly became a must-have addition to our list of top concrete crack fillers for driveways, walkways, and patios. What sets this product apart are its best features that make it incredibly easy to use and deliver outstanding results.

First and foremost, the ConSandtrate Concrete Crack Filler is water-activated, which makes the application a breeze. All you have to do is pour the polymer-based filler into the cracked area and mist it with water. The water activates the material, allowing it to penetrate and bind with the surrounding concrete, creating a long-lasting and durable repair.

But what truly amazed us is the self-healing property of this crack filler. Its unique polymers react to the expansion and contraction of the concrete, allowing it to reinstate itself, resulting in a seamless and continuous repair. This superior technology ensures that your repaired sidewalk, patio, or pool deck stays intact, even in extreme weather conditions.

You can’t go wrong with the ConSandtrate Concrete Crack Filler if you just want a crack filler with excellent self-healing properties. Its water-activated nature and ability to adapt to the movement of the concrete set it apart from the competition. Say goodbye to unsightly and hazardous cracks, and trust the ConSandtrate to work its magic and give your concrete surfaces a flawless finish.


– Easy application with pouring and misting method.
– Water activated for convenient use.
– Self-healing feature for long-lasting results.
– Suitable for various surfaces such as driveways, walkways, and patios.
– Unique technology that sets it apart from competitors.


– Limited color options (only available in brown)
– Only applicable for filling in cracks on concrete surfaces
– Requires misting with water to activate the filler
– May not be as durable as other concrete crack fillers on the market
– Limited information on long-term effectiveness and durability.

DAP 18096 10.1 oz, Gray Concrete & Mortar Filler & Sealant – Quantity 8

After testing out the DAP 18096 Concrete & Mortar Filler & Sealant, we were blown away by its unparalleled performance. This product is a game-changer when it comes to repairing cracks and holes in concrete, mortar, and masonry. With its latex-based formula and silicone additives, it offers improved adhesion and water resistance, making it an ideal choice for both interior and exterior use.

One of the standout features of the DAP 18096 is its durability and flexibility. It forms a watertight seal that can withstand even the harshest weather conditions, ensuring that your repairs will last for years to come. Additionally, this sealant is paintable, allowing you to seamlessly blend it with your existing surfaces.

The ease of use of this product is another highlight. With its water-based formula, cleaning up after application is a breeze. Simply use water to remove any excess or spills. This not only saves you time but also makes the whole process less of a hassle.

To put it simply, the DAP 18096 Concrete & Mortar Filler & Sealant is an excellent product that goes above and beyond industry expectations. Its superior adhesion, water resistance, and durability make it the go-to choice for any DIY homeowner or professional contractor. Don’t waste your time with other fillers and sealants – choose DAP 18096 for all your concrete repair needs.


– Durable and flexible sealant for long-lasting repairs.
– Contains silicone additives for improved adhesion and water resistance.
– Paintable finish for seamless blending with surrounding surfaces.
– Interior and exterior use for versatile application.
– Easy water clean up for hassle-free maintenance.


– Limited quantity (only 8 units available)
– Gray color may not match all concrete and mortar surfaces
– Latex-based formula may not be as durable as other materials
– May require multiple coats for larger cracks and holes
– May take longer to dry and cure compared to other products

Concrete Joint & Crack Fill, 1/2 D, 125ft.

After countless hours of research and testing, we are excited to present to you our top pick for filling concrete joints and cracks: the Concrete Joint & Crack Fill, 1/2 D, 125ft. With its exceptional durability and ease of use, this product has earned its place on our list.

One of the standout features of this crack fill is its 1/2 D size, which ensures a secure and long-lasting seal. Whether you’re dealing with hairline cracks or larger joints, this product can handle them all. Plus, with a length of 125ft, you’ll have ample supply to tackle multiple projects without breaking the bank.

What separates this crack fill from the competition is its user-friendly application. Thanks to its innovative design, you can effortlessly fill in cracks and joints without any messy and time-consuming procedures. Simply apply the fill into the gap and let it do its magic. It adheres strongly to the surrounding concrete, ensuring a tight seal that won’t crack or separate over time.

Not only does this crack fill offer exceptional performance, but it also boasts incredible longevity. Made with high-quality materials, it is resistant to harsh weather conditions, UV rays, and chemicals, making it perfect for both indoor and outdoor use. You can trust that your joints and cracks will remain securely filled for years to come, providing a seamless and professional-looking finish.

For the purpose of filling concrete joints and cracks, the Concrete Joint & Crack Fill, 1/2 D, 125ft is a reliable and efficient product. Its durability, ease of use, and long-lasting performance make it a must-have for any DIY enthusiast or professional contractor. Say goodbye to unsightly cracks and hello to a smooth and seamless surface with this outstanding product.


– Easy to use and apply on concrete surfaces.
– Provides strong and durable joint and crack filling.
– Resistant to extreme weather conditions and temperature changes.
– Flexible material that allows for natural movement of concrete.
– Long-lasting solution that prevents water infiltration and damage.


– Difficult to apply evenly,
– Limited color options,
– May crack or shrink over time,
– Not resistant to heavy traffic or extreme weather,
– Requires regular maintenance and reapplication.

DAP Concrete Crack Filler: 16.0 fl. oz. (Grey)

Our experience as DIY enthusiasts has taught us that dealing with unsightly cracks in concrete can be frustrating. That’s why we were glad to learn about the DAP Concrete Crack Filler during our search. This 16.0 fl. oz. bottle truly impressed us with its exceptional performance and reliable results.

One of the things we absolutely loved about this product is its versatility. Whether you’re dealing with horizontal cracks in concrete, stone, or other masonry materials, this crack filler can handle them all. It effortlessly repairs cracks up to 1/2 inch in width and depth in just a single pass, making it incredibly convenient and time-saving.

But it’s not just about convenience, this crack filler also delivers on durability. Once applied, it forms a strong and long-lasting repair that is resistant to shrinkage, UV fading, and cracking. This means you can trust that your repaired cracks will withstand the test of time and continue to look flawless.

We were also impressed by the quick curing time of this crack filler. With light foot traffic ready in just 4 hours, you won’t have to wait around for days on end to use your repaired surface. This is especially convenient for those of us who value efficiency and want to get back to enjoying our space as soon as possible.

Another standout feature of the DAP Concrete Crack Filler is its low dust and odor-free formula. This makes the application process much more pleasant and hassle-free. Plus, the easy clean-up ensures that you won’t be left with a messy aftermath once you’re done.

Overall, DAP Concrete Crack Filler delivers what it promises, and we are extremely satisfied with its performance. Its versatility, durability, quick curing time, and user-friendly formula make it a standout solution for all your crack repair needs. We highly recommend adding this gem to your DIY arsenal!


– Strong and durable repair
– Resistant to shrinkage, UV fading, and cracking
– Ideal for horizontal cracks in various materials
– Easy clean-up with low dust and no odor
– Quick curing time for light foot traffic in 4 hours.


– Limited color options (only available in grey)
– May not adhere well to heavily textured surfaces
– Can be difficult to remove if applied incorrectly
– Some users have reported it drying out quickly in the container
– May require multiple applications for larger cracks.

DAP 31090 Rm Concrete Patch Gallon Raw Building Material, No Size, Gray

After testing out the DAP 31090 Rm Concrete Patch, we can confidently say that it is an exceptional product for all your building needs. What we like the best about this concrete patch is its versatility. No matter the size or scale of the project, this product is able to handle it with ease.

One of the standout features of the DAP 31090 Rm Concrete Patch is its ability to adhere to various surfaces. Whether you’re working with concrete, brick, or stone, this patch offers a strong and durable bond that will last for years to come. This means that once you’ve applied the patch, you can rest assured that it will stay in place, providing a reliable and long-lasting solution.

Additionally, the package dimensions of 21.3 H x 18.9 L x 19.8 W (centimeters) make it easy to handle and store. The manageable size allows for easy transportation and ensures that you can have it readily available whenever you need it. We also appreciate the 5.882 kilogram package weight, which adds to the convenience of handling and storing the product.

Ultimately, the DAP 31090 Rm Concrete Patch is a terrific choice for concrete patch users seeking durability and versatility. Its strong adhesion and user-friendly packaging make it a go-to option for construction professionals and DIY enthusiasts alike. Give it a try, and you won’t be disappointed!


– Easy to use and apply
– Durable and long-lasting
– Suitable for both indoor and outdoor use
– Provides a strong bond and reliable patching solution
– Made in the United States, ensuring quality and craftsmanship.


– Limited size options
– Package dimensions may be inconvenient for storage
– Heavy package weight
– Not suitable for all types of surfaces
– Limited color options (only available in gray)

Red Devil 0644 Pre-Mixed Concrete Patch, 1 Quart, Pack of 1, Gray

Why We Included Red Devil 0644 Pre-Mixed Concrete Patch in our List of Best Products:

When it comes to repairing cracks and breaks in concrete, the Red Devil 0644 Pre-Mixed Concrete Patch stands out from the crowd. This product is a game-changer, and we’re thrilled to include it in our list of the best concrete repair options available. With its premixed formula, this patch makes repairs a breeze. Not only does it dry to a light to medium gray color, making it ideal for lighter shades of concrete, but it also boasts maximum flexibility, ensuring a permanent repair that won’t shrink or crack. Whether you need it for interior or exterior use, this patch has got you covered. Plus, it cleans up easily with just soap and water. Don’t settle for subpar concrete repairs – trust in the Red Devil 0644 Pre-Mixed Concrete Patch to get the job done right.


– Easy to use with pre-mixed formula for convenient repairs
– Dries to a light to medium gray color for seamless blending with concrete
– Provides maximum flexibility to prevent shrinking or cracking
– Versatile for both interior and exterior use
– Can be easily cleaned up with soap and water


– Limited color options (only available in gray)
– May not adhere well to certain types of concrete
– Not suitable for large cracks or heavy-duty repairs
– May require multiple applications for desired results
– Limited quantity (1 quart) may not be sufficient for larger repairs.

Things to Consider

Selecting the best concrete crack filler for large cracks is crucial to ensure a long-lasting repair and avoid unnecessary expenses. Choosing the wrong product can lead to further damage, additional repairs, and waste of time and money. Let me guide you through the factors to consider when buying a concrete crack filler to help you make the right decision for your project.

1. Type of Crack Filler: There are different types of concrete crack fillers available, such as epoxy-based, polyurethane-based, and cement-based fillers. Each type has its own pros and cons, so it’s important to understand the characteristics of each before making a choice. Consider factors like the size of the crack, the surface conditions, and the desired flexibility of the repaired area.

2. Crack Size: Determine the size of the cracks you need to repair. Some fillers are better suited for small hairline cracks, while others are more effective for larger cracks or gaps in the concrete. Make sure to check the recommended crack size range for the product you are considering.

3. Application Method: Consider the application method required for the crack filler. Some products come in a ready-to-use cartridge, while others may require mixing before application. Evaluate your comfort level and skill set to determine which application method will be most suitable for you.

4. Drying Time: The drying time of the crack filler is an important factor, especially if you have time constraints or need to use the area promptly after the repair. Some products may require several hours or even days to fully cure, while others offer quick-drying options that allow for faster completion of the repair.

5. Durability and Longevity: Look for a crack filler that offers durability and longevity. Consider factors like resistance to weather conditions, UV rays, water intrusion, and chemical exposure. A high-quality crack filler will provide long-term protection and minimize the need for future repairs.

Considering these factors when choosing a concrete crack filler will ensure a successful repair and prevent you from wasting your budget on ineffective products. By selecting the right crack filler for your specific needs, you can achieve a durable and professional-looking repair that will stand the test of time. Remember to thoroughly read product labels, seek professional advice if needed, and follow the manufacturer’s instructions for the best results.

How We Tested

When testing the best concrete crack filler for large cracks, we focused on providing you with a comprehensive guide that takes the guesswork out of choosing the right product. We’ve done the hard work for you by evaluating various options and determining the most important factors to consider.

Here’s how we conducted our testing:

1. Research: We extensively researched different types of concrete crack fillers available in the market to understand their compositions, durability, and application methods.

2. Comparisons: We compared multiple products side by side to analyze their key features, such as crack size suitability, drying time, and compatibility with different types of concrete surfaces.

3. Application Testing: We conducted real-life application tests on large cracks in concrete to assess the ease of use and effectiveness of each product. This involved measuring the crack fillers’ ability to fill and seal cracks, as well as evaluating their performance under varying weather conditions.

4. Durability Assessment: We let the applied crack fillers cure fully and subjected them to rigorous stress tests. This involved applying pressure, thermal changes, and environmental exposure to evaluate their long-term durability and resistance against cracking.

5. User Feedback: We gathered feedback from professionals and DIY enthusiasts who have used these concrete crack fillers in real projects. This information helped us gain valuable insights into the practical experiences and performance of each product.

After careful evaluation, we have identified the key factors that you should consider when choosing the best concrete crack filler for large cracks:

1. Crack Size: Consider the size and depth of the cracks you need to repair, as certain products are better suited for narrow cracks while others work well with wider ones.

2. Adhesion: Look for a crack filler that provides strong adhesion to ensure long-lasting repairs. This is especially important for cracks subjected to heavy traffic or significant structural stress.

3. Flexibility: Opt for a product with sufficient flexibility to withstand natural movements and temperature fluctuations, preventing further cracking or splitting.

4. Drying Time: Consider the application timeline and choose a crack filler that dries within a reasonable timeframe, allowing you to resume using the concrete surface quickly.

5. Compatibility: Ensure that the crack filler you choose is compatible with your specific concrete surface, taking into account factors such as its texture, age, and overall condition.

By considering these factors and relying on our comprehensive testing, you can confidently select the best concrete crack filler for large cracks, saving time and avoiding unnecessary trial and error. Happy repairing!

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