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10 Best Epoxy Concrete Crack Fillers 2025 in the United States
#1
Winner
Magic Crack Filler 2LB Concrete Slab Gray, for Filling in Concrete Cracks on Driveways, Walkways and Patios. Installs Easily Dry Granular No Mess and DIY (Gray, 1)
Magic Crack Filler is a solid choice for anyone needing to repair concrete cracks on driveways, walkways, and patios. One of its main strengths is its granulated formulation, which allows for easy application on various crack sizes, from fine hairline cracks to larger damages. This versatility makes it suitable for different repair needs, whether you're a homeowner or someone managing property maintenance. The no-mess formula is another highlight; simply dampen the area and apply the powder without the hassle of mixing tools, which makes it perfect for DIY enthusiasts. It also claims to enhance the appearance of the property by blending in seamlessly with the concrete surface once applied.
Rating
10.0
Chosen by1,282
Viscosity
Curing Time
Strength
Most important from
612 reviews
#2
DAP 7079860500 Concrete Crack Filler, Gray
The DAP 7079860500 Concrete Crack Filler is designed for repairing horizontal cracks in concrete and masonry materials up to half an inch wide and deep. It comes as a water-activated dry powder, which simplifies the application—just prep the crack, fill it, and mist with water, avoiding the need for mixing or shaking. This makes it user-friendly for DIY projects or light repairs.
Rating
10.0
Viscosity
Curing Time
Strength
Most important from
297 reviews
#3
SIKA Sikaflex Self-Leveling Sealant, Gray Polyurethane, Fast Curing, for Concrete Expansion Joints, Waterproof, Paintable, Fills Cracks up to 1.5 in., 10.1 fl. oz Cartridge
The Sikaflex Self Leveling Sealant is a polyurethane-based product designed for sealing horizontal expansion joints in concrete. Its main advantage is the self-leveling property, which eliminates the need for tooling and makes application easier even for those with little experience. It can bridge gaps up to 1.5 inches wide, providing flexibility and durability.
Rating
9.9
Flexibility
Application Method
Most important from
5251 reviews
Top 10 Best Epoxy Concrete Crack Fillers 2025 in the United States
#1
Winner
10.0 score
Magic Crack Filler 2LB Concrete Slab Gray, for Filling in Concrete Cracks on Driveways, Walkways and Patios. Installs Easily Dry Granular No Mess and DIY (Gray, 1)
Magic Crack Filler 2LB Concrete Slab Gray, for Filling in Concrete Cracks on Driveways, Walkways and Patios. Installs Easily Dry Granular No Mess and DIY (Gray, 1)
Application Method: Dampen area, apply powder
Chemical Resistance: Resists water
Chosen by 1282 this week
DAP 7079860500 Concrete Crack Filler, Gray
DAP 7079860500 Concrete Crack Filler, Gray
Curing Time: Full cure 48h; initial harden 4h
Strength: Supports vehicle traffic after curing
Flexibility: Flexible for slight movements
Application Method: Water-activated powder; prep, fill, mist
Chemical Resistance: Waterproof; resists shrinkage, UV, cracks
SIKA Sikaflex Self-Leveling Sealant, Gray Polyurethane, Fast Curing, for Concrete Expansion Joints, Waterproof, Paintable, Fills Cracks up to 1.5 in., 10.1 fl. oz Cartridge
SIKA Sikaflex Self-Leveling Sealant, Gray Polyurethane, Fast Curing, for Concrete Expansion Joints, Waterproof, Paintable, Fills Cracks up to 1.5 in., 10.1 fl. oz Cartridge
Curing Time: accelerated
Flexibility: flexible
Application Method: self-leveling
Sika - Sikacryl - Gray - Ready-Mix Concrete Patch - for Repairing spalls and Cracks in Concrete and Masonry - Textured - 1 qt
Sika - Sikacryl - Gray - Ready-Mix Concrete Patch - for Repairing spalls and Cracks in Concrete and Masonry - Textured - 1 qt
Curing Time: about a day
Strength: high strength
Flexibility: less flexible than epoxy fillers
Application Method: putty knife or trowel
Chemical Resistance: lower than epoxy alternatives
DAP Concrete and Mortar Filler and Sealant, Gray, 10.1 Oz (7079818096)
DAP Concrete and Mortar Filler and Sealant, Gray, 10.1 Oz (7079818096)
Curing Time: 2 Hours
Flexibility: flexible
Application Method: straightforward
Related Products
Up to 26% off
RadonSeal Complete DIY Foundation Crack Repair Kit - 10 Ft - Low-Viscosity Urethane Injection Sealant for Crawl Spaces & Concrete Basement Walls, Stops Water Leaks & Radon Gas, Drill-Free Filler
RadonSeal Complete DIY Foundation Crack Repair Kit - 10 Ft - Low-Viscosity Urethane Injection Sealant for Crawl Spaces & Concrete Basement Walls, Stops Water Leaks & Radon Gas, Drill-Free Filler
Viscosity: low-viscosity
Strength: 180 PSI
Application Method: caulking gun
DAP 37584 Liquid Cement Crack Filler, 1 quart, Gray
DAP 37584 Liquid Cement Crack Filler, 1 quart, Gray
Curing Time: 30 to 45 minutes
Flexibility: less flexible than epoxy-based fillers
Application Method: self-leveling
Sikaflex Crack Flex Sealant, Gray, High performance, textured polyurethane sealant, self-leveling, sealant for sealing horizontal cracks, 10,1 fl. Oz
Sikaflex Crack Flex Sealant, Gray, High performance, textured polyurethane sealant, self-leveling, sealant for sealing horizontal cracks, 10,1 fl. Oz
Strength: elastic technology
Flexibility: elastic technology
Application Method: standard caulk gun
Chemical Resistance: resistant to aging and weathering
Red Devil 0645 Concrete Repair Patch, Cement Crack Filler, 5.5 Oz Squeeze Tube, Pre-Mixed, Pack of 1, Gray, Made in USA
Red Devil 0645 Concrete Repair Patch, Cement Crack Filler, 5.5 Oz Squeeze Tube, Pre-Mixed, Pack of 1, Gray, Made in USA
Curing Time: 24 Hours
Flexibility: No shrink or crack after drying
Application Method: 5.5 oz squeeze tube
#10
8.3 score
PC Products 72561 PC-Concrete Two-Part Epoxy Adhesive Paste for Anchoring and Crack Repair, 8.6 oz Cartridge, Gray
PC Products 72561 PC-Concrete Two-Part Epoxy Adhesive Paste for Anchoring and Crack Repair, 8.6 oz Cartridge, Gray
Curing Time: 4 hours at 75°F
Strength: high-tack, meets ASTM C881-99
Flexibility: may not offer much flexibility
Application Method: 8.6 oz cartridge, careful mixing
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Buying Guide for the Best Epoxy Concrete Crack Fillers
Choosing the right epoxy concrete crack filler is crucial for ensuring the longevity and durability of your concrete surfaces. Whether you're dealing with minor cracks or significant structural damage, the right product can make all the difference. To make an informed decision, it's important to understand the key specifications and how they relate to your specific needs. Here are the main factors to consider when selecting an epoxy concrete crack filler.ViscosityViscosity refers to the thickness of the epoxy. It is important because it determines how well the epoxy can penetrate and fill the cracks. Low viscosity epoxies are thinner and can seep into smaller cracks more easily, making them ideal for hairline fractures. High viscosity epoxies are thicker and better suited for larger cracks. To choose the right viscosity, assess the size of the cracks you need to fill. For fine cracks, opt for a low viscosity epoxy, while for wider cracks, a high viscosity product will be more effective.
Curing TimeCuring time is the period it takes for the epoxy to harden and reach its full strength. This is important because it affects how quickly you can use the repaired area. Fast-curing epoxies can set in a few hours, making them ideal for quick repairs. However, they may not be as strong as slow-curing epoxies, which can take several days to fully cure but offer greater durability. Consider how soon you need the area to be functional again when choosing the curing time. For urgent repairs, a fast-curing epoxy is best, while for long-term strength, a slow-curing option is preferable.
StrengthThe strength of the epoxy is a measure of how well it can withstand stress and load. This is crucial for structural repairs where the filler needs to support weight and resist cracking. Epoxies with higher tensile and compressive strength are better for heavy-duty applications. To determine the right strength, consider the load and stress the repaired area will be subjected to. For non-structural cracks, a standard strength epoxy will suffice, but for structural repairs, opt for a high-strength product.
FlexibilityFlexibility refers to the ability of the epoxy to move with the concrete as it expands and contracts due to temperature changes. This is important for preventing new cracks from forming. Flexible epoxies are better for outdoor applications where temperature fluctuations are common. To choose the right flexibility, consider the environmental conditions of the area being repaired. For indoor repairs with stable temperatures, a less flexible epoxy is fine. For outdoor or temperature-variable environments, a more flexible epoxy is necessary.
Application MethodThe application method of the epoxy can vary, including options like injection, pouring, or troweling. This is important because it affects how easy the product is to use and how well it can fill the cracks. Injection methods are great for deep, narrow cracks, while pouring is suitable for wider, shallow cracks. Troweling is ideal for surface-level repairs. To choose the right application method, consider the depth and width of the cracks and your comfort level with the application process. For precise, deep repairs, injection is best. For surface or shallow repairs, pouring or troweling will be more effective.
Chemical ResistanceChemical resistance refers to the epoxy's ability to withstand exposure to chemicals, oils, and other substances. This is important for areas that may come into contact with such materials, like garages or industrial floors. High chemical resistance ensures the longevity of the repair in harsh environments. To choose the right chemical resistance, consider the type of substances the repaired area will be exposed to. For areas with frequent chemical exposure, opt for a high chemical resistance epoxy. For areas with minimal exposure, standard chemical resistance will suffice.