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Best Concrete Crack Filler For Large Cracks (2025 Updated)

If you’re looking for a solution to the unsightly cracks in your concrete, then consider using a concrete crack filler for large cracks. This product is specially designed to repair and fill large cracks and can help restore the appearance and integrity of your concrete surface. However, before making a purchase, there are several factors you should consider to ensure you select the right product.

Firstly, consider the type of crack you need to repair. Is it a hairline crack, or is it a large crack? Different products are designed to address different types of cracks, and choosing the wrong product could result in an ineffective repair. Additionally, consider the size and location of the crack, as this will determine how much product you will need and whether you will need any additional tools.

To help you choose the right concrete crack filler for large cracks, ask yourself questions like: What is the product’s drying time? Does it require any special application tools? Is it suitable for outdoor use? These questions can help you understand the features and limitations of the product and make an informed decision.

In summary, using a concrete crack filler for large cracks can help restore the look and integrity of your concrete surface. However, it is essential to consider several factors before making a purchase. By asking the right questions and understanding the features of the product, you can select the right concrete crack filler and effectively repair your concrete surface.

10 Best Concrete Crack Filler For Large Cracks

# Product Image Product Name Product Notes Check Price
1
This product is ideal for filling and sealing concrete and mortar to make them watertight.
2
This product is ideal for sealing concrete cracks and gaps.
3
It is ideal for repairing cracks in concrete surfaces such as driveways, sidewalks, and patios.
4
The product is ideal for filling in cracks on driveways, walkways, and patios made of concrete.
5
It is ideal for filling cracks and joints in concrete surfaces to improve appearance, safety, and durability.
6
It is ideal for repairing cracks in concrete surfaces.
7
This product is ideal for filling and sealing concrete surfaces to make them waterproof.
8
This product is ideal for repairing and leveling concrete surfaces.
9
It is ideal for filling cracks and joints on concrete surfaces permanently.
10
This product is ideal for repairing cracks in concrete surfaces.
This product is ideal for filling and sealing concrete and mortar to make them watertight.
This product is ideal for sealing concrete cracks and gaps.
It is ideal for repairing cracks in concrete surfaces such as driveways, sidewalks, and patios.
The product is ideal for filling in cracks on driveways, walkways, and patios made of concrete.
It is ideal for filling cracks and joints in concrete surfaces to improve appearance, safety, and durability.
It is ideal for repairing cracks in concrete surfaces.
This product is ideal for filling and sealing concrete surfaces to make them waterproof.
This product is ideal for repairing and leveling concrete surfaces.
It is ideal for filling cracks and joints on concrete surfaces permanently.

1. Dap Watertight Sealant Trio – Gray

The 10.3 oz. cartridge of siliconized latex is an excellent solution for sealing cracks in concrete and masonry. This product is perfect for use on steps, driveways, sidewalks, and mortar joints. Sold as a pack of three, it's easy to stock up on this reliable sealant.

The siliconized latex formula provides flexibility and durability to ensure long-lasting results. It can withstand temperature changes and extreme weather conditions without cracking or shrinking. This makes it an ideal choice for outdoor projects.

Applying this sealant is simple and hassle-free. It can be used on both vertical and horizontal surfaces without sagging or running. The cartridge is designed to fit standard caulking guns, making it easy to apply the sealant evenly.

Overall, the 10.3 oz. cartridge of siliconized latex is a great investment for anyone looking to seal cracks in concrete and masonry. It's easy to apply, durable, and can withstand harsh weather conditions. With the convenience of a pack of three, you'll have plenty of sealant to tackle any project.

Pros

  • Siliconized latex formula provides flexibility and durability
  • Can withstand temperature changes and extreme weather conditions without cracking or shrinking
  • Easy to apply on both vertical and horizontal surfaces without sagging or running
  • Fits standard caulking guns for even application
  • Pack of three provides a convenient and economical option

Cons

  • – May not be suitable for larger cracks or gaps

2. Sikaflex Self Leveling Concrete Sealant – Case Of 12

Sikaflex 1CSL is a premium grade polyurethane sealant that is highly efficient and durable. It is a self-leveling, single component sealant with a fast tack-free time and curing capacity. The new custom packaging ensures that the tubes arrive in perfect condition without any damage during shipping, so you can start working with Sikaflex Self Leveling Concrete Sealant right away.

Sikaflex 1c SL is highly elastic and durable, with a +/- 25% movement capacity, which makes it ideal for flat work that requires minimum movement and higher shore A hardness. It is resistant to aging and weathering, providing long-lasting results. This product is perfect for sealing horizontal expansion joints in concrete and cement slabs such as sidewalks, balconies, pavements, terraces, warehouses, factories, civil structures, plazas, pitch pans, and canals and water treatment.

Sikaflex 1c SL meets Federal Specification TT-S-00230C, Type I, Class A, and ASTM C-920, Type S, Grade P, Class 25, use T, M, A, G, I. For more information, please refer to the product data sheet below.

Pros

  • Fast tack-free time and curing capacity
  • Highly elastic and durable with a +/- 25% movement capacity
  • Resistant to aging and weathering
  • Ideal for sealing horizontal expansion joints in concrete and cement slabs

3. Pourable Gray Concrete Crack Filler (Gallon, 1)

If you're looking for a quick and easy way to repair small cracks in your concrete surfaces, then DISCRETE is the perfect solution for you! With its light gray color, it blends in seamlessly with your existing concrete, leaving your surfaces looking like new. This product is ideal for cracks that are up to 1/4 inch deep and 1/4 inch wide, making it a versatile choice for a variety of surfaces, including driveways, sidewalks, patios, steps, garage floors, above ground foundations, and more.

One of the best things about DISCRETE is how quickly it dries. In just 1 hour, you'll be able to walk or drive over your repaired surface without any issues. Plus, there's no preparation required! All you need to do is shake the bottle gently, clip the tip, and you're ready to go.

Overall, DISCRETE is a fantastic product for anyone looking for a simple and effective solution to small cracks in their concrete surfaces. With its easy-to-use design, quick dry time, and universal compatibility, it's a no-brainer for anyone looking to repair their concrete surfaces.

Pros

  • Blends in seamlessly with concrete surfaces
  • Ideal for cracks up to 1/4 inch deep and 1/4 inch wide
  • Dries quickly in just one hour
  • No preparation required, ready to use
  • Compatible with a variety of surfaces

4. Akona Epoxy Crack Repair (6 Ounce, 1) – Clear Concrete Crack Filler

The versatile repair solution that can be used for horizontal, interior, and exterior repairs is finally here. This repair solution is perfect for fixing cracks and stopping air and water leaks. It is stronger than concrete and can be used to repair railings, bolts, rebar, and foundation cracks. The clear color of the solution ensures that it blends in perfectly with existing surfaces, so you won't even notice the repair! Using this solution is easy and mess-free, thanks to its no-mess design.

Whether you're fixing cracks in your foundation or repairing railings, this multi-purpose solution is the perfect choice for you. It is strong enough to withstand even the toughest conditions, making it an ideal choice for exterior repairs. The clear color of the solution ensures that it blends in perfectly with existing surfaces, so you won't even notice the repair! Using this solution is easy and mess-free, thanks to its no-mess design.

This versatile repair solution is a must-have for any DIY enthusiast or professional contractor. It is strong enough to withstand even the toughest conditions, making it an ideal choice for exterior repairs. The clear color of the solution ensures that it blends in perfectly with existing surfaces, so you won't even notice the repair! Using this solution is easy and mess-free, thanks to its no-mess design. Whether you're repairing foundation cracks or railings, this multi-purpose solution is the perfect choice for you.

Pros

  • Versatile solution for horizontal, interior, and exterior repairs.
  • No-mess design makes it easy to use.
  • Stronger than concrete and stops air and water leaks.
  • Clear color blends in with existing surfaces.
  • Great for railings, bolts, rebar, and foundation cracks.

5. Dap 18096 10.1 Oz. Concrete Waterproof Filler And Sealant, Gray (12 Pack)

The 10.3 oz. cartridge of siliconized latex is an excellent solution for sealing cracks in concrete and masonry. It is highly versatile and can be used in various applications such as steps, driveways, sidewalks, and mortar joints. The product is easy to apply and provides a durable, long-lasting seal that is resistant to weathering and aging. It is an ideal product for both DIY enthusiasts and professionals.

The siliconized latex material of the cartridge ensures that the sealant adheres well to the surface and remains flexible, allowing it to expand and contract with changes in temperature and humidity. The sealant is also water-resistant, making it an excellent choice for outdoor applications where exposure to water is a concern.

The cartridge design allows for easy dispensing of the sealant, making it simple to apply the product quickly and cleanly. The sealant is also paintable, so it can be used to match the color of the surrounding surface if desired.

Overall, the 10.3 oz. cartridge of siliconized latex sealant is an excellent choice for anyone looking to seal cracks in concrete and masonry. It is durable, easy to apply, and provides a long-lasting seal that will protect against weathering and aging for years to come.

Pros

  • Easy to apply
  • Durable and long-lasting
  • Flexible, allowing it to expand and contract with changes in temperature and humidity
  • Water-resistant and paintable
  • Ideal for various applications such as steps, driveways, sidewalks, and mortar joints

6. 3m Concrete Repair Self-Leveling, Gray, 8.4 Fl Oz Cartridge

The Fast-Set Concrete Repair is an efficient and convenient solution for repairing cracks and spalls on horizontal concrete surfaces. This self-leveling urethane material flows freely into repair areas and becomes level and tack-free in as little as 1 minute. It hardens to any depth in as little as 5 minutes without cracking or shrinking. The product can be easily applied with a common caulking gun and the quick set formula with bubble-free liquid is low in viscosity and self-levels for ease of installation. The floor is ready to use in just a few minutes. The product dispenses with a regular caulk gun or the duo-pack cartridge system, providing maximum working time and precise application. The chemical reaction hardens to any depth without cracking or an increase in curing time. The repaired surface can be sanded to remove rough edges and allow for refinement and smooth finishes. The product bonds dissimilar substrates, including concrete, masonry, ceramic, wood, and metal, eliminating the need for multiple applications with additional products. It is ideal for minor repairs on building construction, walkways, stairways, pools, decks, patios, and general maintenance and repair.

The Fast-Set Concrete Repair is fast and easy to use. It is a self-leveling material that hardens quickly without cracking or shrinking. The product can be used on a variety of surfaces, making it a versatile solution for multiple repair needs. It can be applied with a common caulking gun and the quick set formula with bubble-free liquid is low in viscosity and self-levels for ease of installation. The repaired surface is ready to use in minutes, which saves time and effort. The product bonds dissimilar substrates, eliminating the need for multiple applications with additional products. It is an ideal solution for minor repairs on building construction, walkways, stairways, pools, decks, patios, and general maintenance and repair.

The Fast-Set Concrete Repair is an easy-to-use solution for repairing cracks and spalls on horizontal concrete surfaces. The self-leveling urethane material flows freely into repair areas and hardens to any depth in as little as 5 minutes without cracking or shrinking. The product can be easily applied with a common caulking gun or the duo-pack cartridge system, providing maximum working time and precise application. The chemical reaction hardens to any depth without cracking or an increase in curing time. The repaired surface can be sanded to remove rough edges and allow for refinement and smooth finishes. The product bonds dissimilar substrates, including concrete, masonry, ceramic, wood, and metal, eliminating the need for multiple applications with additional products. It is ideal for minor repairs on building construction, walkways, stairways, pools, decks, patios, and general maintenance and repair.

Pros

  • Self-leveling urethane material flows freely into repair areas
  • Becomes level and tack-free in as little as 1 minute
  • Hardens to any depth in as little as 5 minutes without cracking or shrinking
  • Applies easily with common caulking gun
  • Quick set formula and bubble-free liquid is low in viscosity and self-levels for ease of installation
  • Floor is ready to use in minutes
  • Dispenses with a regular caulk gun or the duo-pack cartridge system to provide maximum working time and precise application
  • Chemical reaction hardens to any depth without cracking or an increase in curing time
  • Product can be sanded to remove rough edges and allow for refinement and smooth finishes
  • Bonds dissimilar substrates including concrete, masonry, ceramic, wood and metal – eliminating the need for multiple applications with additional products
  • Ideal for minor repairs on building construction, walkways, stairways, pools, decks, patios, and general maintenance and repair

7. Crack Stixtm 125 Ft. Medium 1/2" Permanent Concrete Joint & Crack Filler – 2051

The Concrete Crack Repair is a high-quality product that helps to fix cracks in concrete surfaces. With a manufacturer's part number of 2051, this product is designed to provide a long-lasting, durable repair solution for any concrete surface that requires fixing. The product comes in a size of 11lbs, which is suitable for both residential and commercial use.

The product is formulated with a unique blend of ingredients that provide superior adhesion and durability. This ensures that the repaired area is strong and long-lasting. The product is easy to use and can be applied with a simple trowel or putty knife. It dries quickly and can be sanded or painted over for a smooth finish. The repaired area will be able to withstand heavy foot traffic, vehicles and extreme weather conditions.

The Concrete Crack Repair is suitable for use on a variety of surfaces, including concrete floors, walls, and driveways. It can be used to fix cracks of any size and depth, and it provides a permanent fix to the problem. The product does not shrink or crack over time, providing a durable solution to damaged concrete surfaces.

Overall, the Concrete Crack Repair is an excellent product that provides an effective solution to fix cracks in concrete surfaces. With its high-quality ingredients and durable formula, it provides a long-lasting solution that can withstand heavy traffic and harsh weather conditions. It is easy to use and suitable for both residential and commercial use.

Pros

  • Easy to use
  • Provides a long-lasting, durable repair solution
  • Suitable for use on a variety of surfaces
  • Can fix cracks of any size and depth
  • Does not shrink or crack over time

8. Sashco – 16210-12 Slab Concrete Crack Repair Sealant, 10.5 Ounce Cartridge, Gray (Pack Of 12)

Slab is a perfect solution for repairing cracked concrete. This product is extremely elastic and moves with your concrete, which makes it ideal for areas that experience changes due to temperature, moisture, and traffic. It creates a weatherproof seal that prevents the growth of dandelions, anthills, and other unsightly crack dwellers. Slab is specifically formulated with tenacious adhesion to concrete, which ensures that the repairs last for years and eliminates the need for repeated repairs. The product is textured and colored to blend in with aged concrete for a seamless appearance. It is easy to use and can be easily smoothed and cleaned up with water, without the need for any special chemicals. Slab is also freeze-thaw stable through 10 cycles, making it okay to leave in your unheated garage overnight.

Pros

  • Extremely elastic to move with your concrete through changes due to shifting soils, temperature, moisture, and traffic
  • Specifically formulated with tenacious adhesion to concrete
  • Prevents the growth of dandelions, anthills and other unsightly crack dwellers
  • Textured and colored to blend in with aged concrete for a seamless appearance
  • Easy to use and can be easily smoothed and cleaned up with water
  • Freeze-thaw stable through 10 cycles

Best Concrete Crack Filler For Large Cracks FAQs

Can I use a concrete crack filler for large cracks on both vertical and horizontal surfaces?

Yes, you can definitely use a concrete crack filler for large cracks on both vertical and horizontal surfaces. However, it is important to choose the right type of crack filler for the specific job. For larger cracks, a cement-based filler or epoxy filler is recommended as they are stronger and more durable than other types of fillers.

Before applying the crack filler, it is important to clean the area around the crack thoroughly and remove any loose debris. You can use a wire brush or a pressure washer to do this. Once the area is clean, you can apply the crack filler using a caulking gun or a putty knife.

When applying the filler, make sure to follow the manufacturer's instructions carefully. It is important to fill the crack completely and allow the filler to dry before applying any other materials or coatings. Also, make sure to wear protective gloves and eye wear when working with concrete crack fillers.

Overall, using a concrete crack filler is a great option for repairing large cracks on both vertical and horizontal surfaces. Just make sure to choose the right type of filler and follow the manufacturer's instructions carefully for best results.

How long does it take for a concrete crack filler for large cracks to dry and cure?

The drying and curing time for a concrete crack filler for large cracks can vary depending on the product and environmental conditions. Generally, it is recommended to wait at least 24 hours for the filler to dry and cure before allowing any foot or vehicle traffic on the repaired area. However, some products may require longer drying and curing times, especially in humid or cold conditions. It is important to follow the manufacturer's instructions for the specific product being used and to take into account the temperature and humidity of the environment where the repair is being made. Additionally, it is crucial to ensure that the crack is completely filled and that the filler has adhered properly before allowing any traffic on the repaired area to avoid further damage.

Is it necessary to use a primer before applying a concrete crack filler for large cracks?

Yes, it is necessary to use a primer before applying a concrete crack filler for large cracks. Primers act as a bonding agent between the crack filler and the concrete surface, ensuring that the filler adheres properly and provides a long-lasting solution. Without a primer, the crack filler may not stick as well to the concrete surface and may peel or crack over time, leading to costly repairs down the line.

In addition to providing a bonding agent, primers also help to seal the crack and prevent moisture from seeping into the crack, which can cause further damage to the concrete. This is especially important in areas with freeze-thaw cycles, where water can freeze and expand within the crack, causing it to widen and deepen.

There are different types of primers available depending on the type of concrete and the specific crack filler being used. It is important to choose the right primer for the job and follow the manufacturer's instructions carefully to ensure proper application and maximum effectiveness.

What is the best type of concrete crack filler for large cracks?

When it comes to filling large cracks in concrete, it's important to choose the right type of crack filler to ensure long-lasting repairs. There are various types of concrete crack fillers available in the market, but the best one for large cracks is epoxy-based crack filler.

Epoxy-based crack fillers are durable, strong, and can withstand heavy traffic loads. They also provide a waterproof seal that prevents further damage from water penetration. Additionally, they are resistant to chemicals, UV rays, and extreme temperatures, which makes them ideal for outdoor use.

Before applying an epoxy-based crack filler, it's essential to clean the surface thoroughly to ensure proper adhesion. You can use a wire brush or a pressure washer to remove dirt, debris, and loose concrete particles. Once the surface is clean and dry, apply the epoxy-based crack filler using a caulking gun and smooth it out with a putty knife.

In conclusion, epoxy-based crack filler is the best option for large concrete cracks due to its strength, durability, and resistance to various elements.

What is the maximum width of a crack that can be filled with a concrete crack filler for large cracks?

The maximum width of a crack that can be filled with a concrete crack filler for large cracks varies depending on the specific product being used. Generally, most concrete crack fillers can effectively fill cracks up to 1 inch in width. However, some products may be able to fill wider cracks up to 2 inches or more. It is important to read the manufacturer's instructions and specifications for the specific product being used to ensure that it is appropriate for the size of the crack being filled. It is also important to properly prepare the crack before applying the filler to ensure that it adheres properly and provides a long-lasting repair. This may involve cleaning the crack, removing any loose debris or material, and potentially using a bonding agent to improve adhesion. Ultimately, using a high-quality concrete crack filler and following proper application procedures can help ensure that large cracks are effectively filled and repaired.

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