When it comes to repairing large cracks in concrete surfaces, choosing the right filler is essential for a durable, long-lasting fix. The best concrete crack fillers for large cracks must handle significant movement, resist water, and bond strongly with existing concrete. The Pack of 4 Self Leveling Concrete Crack Filler stands out for its high elasticity and waterproof qualities, making it ideal for outdoor surfaces like driveways and patios. Alternatively, products like Sika Sikacryl offer excellent repair for textured surfaces, while some options prioritize quick drying or ease of application. The main tradeoffs involve balancing flexibility, drying time, water resistance, and ease of use. Keep reading for a detailed comparison to find the best fit for your repair needs.
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Key Takeaways
- High elasticity and waterproof formulas dominate the best options for large cracks exposed to elements.
- Self-leveling features are highly valued for seamless repairs on horizontal surfaces like driveways and slabs.
- Price varies significantly, but investing in a more durable, flexible filler reduces long-term repair costs.
- Application ease and drying time are critical for DIYers, but professional-grade repairs benefit from premium products.
- Not all fillers bond equally; choosing a product with strong adhesion to existing concrete ensures longer-lasting repairs.
| concrete crack filler for large crack | Application |
|---|---|
| Pack of 4 Self Leveling Concre | Self-leveling, no caulking gun needed |
| Sika | Pre-mixed, no mixing required |
| Concrete Crack Filler | Manual with tips for various crack sizes |
| Self-Leveling Waterproof Concr | Self-leveling, no mixing |
| DAP Concrete Crack Filler | Water-activated |
| DAP Concrete and Mortar Filler | — |
| Red Devil 0645 Concrete Repair | — |
| Concrete Crack Filler | — |
| DAP Liquid Cement Crack Filler | — |
| Red Devil 0641 Concrete Repair | — |
| Concrete Crack Filler | Concrete, brick, tile, metal, wood |
| Concrete Crack Filler | — |
More Details on Our Top Picks
Pack of 4 Self Leveling Concrete Crack Filler, Cement Crack Filler, Waterproof & High Elasticity, Concrete Slab Repair for Driveway, Patio, Garage Floor, Sidewalk, Pool Deck (20 oz)
This comprehensive 4-pack stands out for its self‑leveling, high-elasticity formula that easily penetrates large cracks and adapts to ground shifts, making it ideal for outdoor surfaces exposed to temperature fluctuations. Compared with the Concrete Crack Filler, High Elasticity Self Leveling Cement, it offers a more complete kit with nozzles, scrapers, and gloves, streamlining multiple repairs without extra purchases. The self‑leveling feature ensures a smooth finish, while its waterproof, weather-resistant properties guard against freeze-thaw cycles and moisture ingress. The main tradeoff is that this kit is bulkier and may be more than needed for small repairs, but it offers excellent value for large projects. It’s perfect for homeowners seeking reliable, long-lasting repairs on driveways, patios, and pool decks.
Pros:- Complete repair kit with multiple components for convenience
- Self-leveling formula creates a seamless, professional finish
- High elasticity resists cracking and ground movement
- Excellent weather and water resistance for outdoor durability
Cons:- Bulkier and more expensive than single-use products
- Cure time of 24–48 hours may delay projects
Best for: DIY homeowners repairing large outdoor cracks in driveways and patios
Not ideal for: Small indoor cracks or users needing only a single small repair, since the kit’s size and complexity may be overkill
- Package Size:4 packs of 570g
- Application:Self-leveling, no caulking gun needed
- Cure Time:24–48 hours
- Waterproof:Yes
- Elasticity:High
- Suitable Surfaces:Concrete, brick, stone, masonry
Our verdict“This pick is best suited for DIYers tackling large, outdoor concrete cracks needing durable, flexible repair solutions.”
Sika – Sikacryl – Gray – Ready-Mix Concrete Patch – for Repairing spalls and Cracks in Concrete and Masonry – Textured – 1 qt (Pack of 1)
Compared with the Concrete Crack Filler, High Elasticity Self Leveling Cement, this premixed Sika patch offers a textured finish that blends well with existing concrete, making it ideal for vertical surfaces like walls and masonry. Its ready-mix formulation minimizes prep time, providing a straightforward application with water cleanup, which is a plus for quick repairs. While it avoids shrinking or cracking, it is less flexible than the self-leveling options and may not perform well on large, active cracks that experience significant ground movement. The one-quart size suits smaller to medium repairs but could be limiting for extensive projects. Its high strength and durability make it suitable for areas requiring a seamless, durable finish, especially indoors or on vertical surfaces exposed to weathering.
Pros:- Pre-mixed, ready to use without mixing or special tools
- Textured finish offers a seamless blend with existing concrete
- High durability and resistance to cracking and shrinking
- Easy water cleanup simplifies the process
Cons:- Less flexible, not ideal for large or moving cracks
- Limited to smaller repair areas due to size
Best for: Homeowners repairing vertical cracks or spalls in interior or exterior masonry
Not ideal for: Large, horizontal cracks or outdoor surfaces subject to ground movement, where more flexibility is needed
- Size:1 quart
- Application:Pre-mixed, no mixing required
- Cure Time:A few hours to set, full cure in 1 day
- Water Cleanup:Yes
- Suitable Surfaces:Concrete, masonry
- Texture:Textured
Our verdict“This patch works best for vertical, indoor, or small outdoor repairs where ease of use and a seamless finish are priorities.”
Concrete Crack Filler, High Elasticity Self Leveling Cement Magic Crack Filler for Concrete, Fast Drying, Repairs Cracks in Driveways, Patios, Sidewalks, Indoor and Outdoor – Grey (4pcs)
This set offers a quick-drying, high-elasticity filler designed for large cracks in high-stress outdoor areas like driveways and sidewalks. Unlike the self-leveling kit, it comes with two sets of tips, providing more control over different crack sizes, which is valuable when tackling a variety of repair needs. Its fast cure time of 24–48 hours makes it suitable for urgent repairs, but its manual application process may require more effort than self-leveling options like the Self-Leveling Waterproof Concrete Crack Filler Sealant. While it resists UV and extreme temperatures, it’s less suited for vertical surfaces or deep, wide cracks where a more fluid, self-leveling product might perform better. This product is ideal for those needing flexible, durable fixes on outdoor concrete surfaces.
Pros:- Fast drying within 24–48 hours
- Includes multiple tips for different crack sizes
- High elasticity resists cracking and movement
- Weather-resistant for outdoor durability
Cons:- Manual application is more labor-intensive
- Less suitable for vertical or deep cracks
Best for: Homeowners needing rapid, flexible repairs in outdoor high-stress areas
Not ideal for: Indoor cracks or repairs requiring a seamless finish, where a textured or self-leveling product would be better
- Drying Time:24–48 hours
- Application:Manual with tips for various crack sizes
- Elasticity:High
- Temperature Resistance:Extreme
- UV Resistance:Yes
- Size:4 pcs
Our verdict“This set suits DIYers who want quick, flexible repairs on large outdoor cracks and are comfortable with manual application tools.”
Self-Leveling Waterproof Concrete Crack Filler Sealant 2-Pack (2.21 lb) for Driveway, Patio & Outdoor Repair
This 2-pack of fast-curing, self-leveling sealant offers a straightforward solution for large cracks that need a waterproof barrier. Its rapid cure time of 2–3 hours to become tack-free makes it ideal for projects requiring minimal downtime. Compared to the Pack of 4 Self Leveling Concrete Crack Filler, which is bulkier and suited for more extensive projects, this option provides a quick, efficient fix for smaller to medium cracks across multiple surfaces. Its strong bond and UV resistance make it suitable for outdoor use, but it requires clean, well-prepared surfaces for optimal adhesion. The main tradeoff is that it might not be the best choice for very deep or structurally critical cracks, as it’s designed more for surface sealing.
Pros:- Fast cure time, ready in hours
- Self-leveling for a smooth finish
- Weather and UV resistant
- Suitable for multiple surfaces and outdoor use
Cons:- Requires clean, prepared surfaces for best adhesion
- Limited to cracks that fit within its application scope
Best for: Homeowners needing fast, waterproof repairs on multiple surfaces with minimal fuss
Not ideal for: Large structural cracks or extensive repair projects requiring high elasticity or deep penetration
- Pack Size:2 units, 2.21 lbs each
- Cure Time:2–3 hours tack-free, 24–48 hours fully cured
- Application:Self-leveling, no mixing
- Suitable Surfaces:Concrete, brick, metal, wood, tile
- UV Resistance:Yes
- Weight:2.21 lbs per unit
Our verdict“This product is ideal for quick, waterproof fixes on outdoor cracks where a seamless, fast-curing solution is desired.”
DAP Concrete Crack Filler, Gray, 1.62 lb
While this DAP filler is simple to use with no mixing, it is limited to cracks up to 1/2 inch wide and deep, making it less suitable for larger cracks. Compared to the Self-Leveling Waterproof Concrete Crack Filler Sealant, it offers a quicker cure for light traffic in just 4 hours, but it lacks the elasticity needed for ground movement or high-stress outdoor environments. Its water-activated formula requires moisture to cure, which can be a drawback in dry conditions. This product is best for small, horizontal cracks in patios or walkways where quick, easy repairs are needed without extensive prep or tools, but it isn’t suitable for large or vertical cracks.
Pros:- Easy to apply with no mixing required
- Cures quickly for light traffic
- Resists shrinkage, UV fading, and cracking
- Water-activated for convenience
Cons:- Limited to cracks up to 1/2 inch wide and deep
- Requires moisture for curing, which can be tricky in dry conditions
Best for: Homeowners fixing small, horizontal cracks in patios or walkways quickly
Not ideal for: Large cracks or vertical surfaces where more flexibility and coverage are necessary
- Weight:1.62 lb
- Color:Gray
- Application:Water-activated
- Cure Time:4 hours for light traffic
- Coverage:Cracks up to 1/2″W x 1/2″D
- Suitable Surfaces:Concrete, stone, masonry
Our verdict“This filler is best suited for small, horizontal cracks needing quick repair with minimal fuss and no tools.”
DAP Concrete and Mortar Filler and Sealant, Gray, 10.1 Oz
This product stands out for its user-friendly, no-mix formula that makes patching large cracks straightforward for DIYers. Compared with the Red Devil 0645, it offers more flexibility and durability, especially in areas exposed to oil and salt. Its ability to resist gasoline, grease, and salt makes it suitable for outdoor driveways and garage floors, providing a long-lasting seal. However, its limited size means it’s best for moderate repairs rather than extensive crack filling. Plus, it requires painting afterward to match surrounding surfaces, which can add time to the project.
BestFor: Homeowners needing durable, flexible repairs on concrete surfaces exposed to weather or chemicals.
NotIdealFor: Large-scale repairs or applications where the patch won’t be painted or concealed.
- Easy to use, no mixing required
- Flexible and resistant to oils and salts
- Durable, long-lasting repair
- Limited to concrete and masonry surfaces
- Requires painting for aesthetic finish
Verdict: This filler is perfect for those seeking a durable, flexible solution for medium-sized cracks in exposed concrete areas.
- Color: Gray
- Size: 10.1 Oz
- Application: Concrete and mortar repair
- Type: Filler and sealant
Our verdict“Best for Easy, Long-Lasting Interior and Exterior Repairs — a strong pick in this lineup.”
Red Devil 0645 Concrete Repair Patch, 5.5 Oz, Gray
Compared with the DAP filler, the Red Devil 0645 offers the convenience of a premixed formula, making it ideal for quick, small repairs. It dries to a natural gray that matches lighter concrete, which helps blend patches without additional painting. Its flexibility ensures the repair remains intact over time, even with ground movement. However, because of its small size, it’s not suited for large cracks or extensive projects. The color mismatch can also be an issue on darker concrete surfaces, limiting its aesthetic versatility.
BestFor: DIYers needing fast, small-scale crack fixes in light-colored concrete.
NotIdealFor: Large cracks or projects requiring color matching on dark or textured surfaces.
- Easy application with a premixed formula
- Dries to a natural gray color
- Flexible for long-lasting repairs
- Limited size for larger cracks
- Color may not match darker concrete shades
Verdict: This patch works well for quick, small repairs but isn’t suitable for large cracks or dark-colored concrete.
- Weight: 5.5 Oz
- Color: Gray
- Application: Crack and break repair
- Type: Pre-mixed cement patch
Our verdict“Best for Small, Quick Repairs with a Ready-Mixed Formula — a strong pick in this lineup.”
Concrete Crack Filler, High Elasticity Cement Sealant, Waterproof Self-Leveling Repair for Driveways, Walkways, Patios – 2 Pieces
This high-elasticity filler excels in outdoor settings where ground shifts and cracking are common. Its waterproof, weatherproof formula ensures the repair remains intact despite rain or temperature fluctuations, making it ideal for driveways and patios. Compared to the liquid cement filler, the self-leveling nature provides a smooth surface with less effort, but it requires surface cleaning for optimal adhesion. It’s best suited for cracks that might expand or shift over time, although careful application is needed to avoid excess material.
BestFor: Homeowners repairing outdoor concrete prone to movement and weather stress.
NotIdealFor: Indoor repairs or cracks that are very narrow or shallow, where flexibility isn’t necessary.
- Flexible, crack-resistant formula
- Waterproof and weatherproof for outdoor use
- Easy to apply, no extra tools needed
- Requires cleaning before application
- Self-leveling may need careful handling to prevent excess
Verdict: This filler is best for outdoor cracks that experience ground movement and weather exposure, providing a durable seal.
- Quantity: 2 Pieces
- Application Surface: Concrete, asphalt, brick, tile, masonry
- Curing Time: Fast-drying
- Weather Resistance: Waterproof and weatherproof
Our verdict“Best for Outdoor, Ground-Movement-Resistant Crack Filling — a strong pick in this lineup.”
DAP Liquid Cement Crack Filler (Ready to Use), Gray, 32 Oz
This liquid cement crack filler is designed for fast repairs of horizontal cracks, making it suitable for high-traffic areas like sidewalks or driveways. Its quick-drying formula allows for traffic within 30 to 45 minutes, outpacing the Red Devil 0645 in speed. Compared to the high-elasticity sealant, it offers less flexibility, which could be a drawback on surfaces prone to movement. Its ability to be painted over adds to its aesthetic appeal, though it’s limited to horizontal cracks and small to medium repairs. For larger cracks, a more flexible filler would be preferable.
BestFor: Busy outdoor spaces needing rapid patching of horizontal cracks with minimal downtime.
NotIdealFor: Vertical or large cracks where flexibility and movement accommodation are required.
- Fast drying, ready-to-use liquid
- Suitable for horizontal cracks
- Can be painted to match concrete
- Limited to horizontal cracks
- Less flexible, may crack under movement
Verdict: This filler is ideal for quick, horizontal crack repairs but isn’t suited to cracks that experience ground shifts.
- Volume: 32 Oz
- Color: Gray
- Application: Horizontal cracks
- Drying time: 30 to 45 minutes
Our verdict“Best for Quick, Horizontal Crack Repairs in Concrete — a strong pick in this lineup.”
Red Devil 0641 Concrete Repair Patch, 1 Gallon, Gray
This sizable, ready-mixed patch makes it easier to repair extensive cracks or breaks across large concrete surfaces. Its flexibility reduces the risk of shrinking or cracking over time, a big advantage over smaller or less flexible fillers. Compared with the 5.5 Oz Red Devil patch, the 1-gallon size offers a better value for larger projects, although it requires more effort to apply evenly. Its ability to match lighter shades of concrete and resist cracking makes it suitable for outdoor use, but it’s not ideal for very small cracks or indoor projects where aesthetic matching isn’t critical.
BestFor: Contractors or DIYers handling large repairs on outdoor concrete surfaces.
NotIdealFor: Small cracks or interior repairs where a smaller, more precise product would be easier to manage.
- Large capacity for extensive repairs
- Pre-mixed for easy application
- Flexible to prevent future cracking
- Bulk size requires more effort for small cracks
- Not suited for indoor or very detailed work
Verdict: This repair patch provides a flexible, large-volume solution for extensive outdoor concrete repairs, especially when budget and durability matter.
- Capacity: 1 Gallon
- Color: Gray
- Made in: USA
Our verdict“Best for Large-Scale Exterior Repairs with Flexibility — a strong pick in this lineup.”
Concrete Crack Filler, 4.5LB Waterproof Self-Leveling Cement Sealant for Driveways, Walkways, Patio, Indoor & Outdoor – Grey
This self-leveling concrete crack filler stands out for its high flexibility and strong adhesion, making it suitable for a wide range of surfaces like driveways, patios, and sidewalks. Compared to the high-elasticity option, it offers better weather resistance and waterproofing, which is essential for outdoor applications. The 24-48 hour curing time is a tradeoff, especially if quick fixes are needed, but it results in a more durable, waterproof seal. Its ability to handle ground movement and traffic makes it ideal for larger cracks in high-stress areas. While surface preparation is crucial for optimal results, the ease of application and quick drying time make it appealing for DIYers seeking a reliable repair. However, it requires a clean, dry surface, which can be inconvenient for urgent repairs. The versatility and durability make this filler the best choice for homeowners looking for a long-term solution.
Pros:- High flexibility and settlement resistance
- Excellent adhesion and weather resistance
- Waterproof and leak-resistant
- Easy to apply and quick drying
Cons:- Requires clean and dry surface before application
- Curing time may delay immediate repairs
Best for: Homeowners repairing large cracks in driveways and patios that need waterproof, flexible sealing.
Not ideal for: Those needing a quick, temporary fix or working in extremely humid or dirty conditions where surface prep is difficult.
- Weight:4.5 lbs
- Color:Grey
- Application:Concrete, brick, tile, metal, wood
- Cure Time:24-48 hours
Our verdict“This self-leveling filler offers a durable, waterproof solution ideal for large cracks exposed to weather and traffic, with some prep time required.”
Concrete Crack Filler, 2.65LB High Elasticity Self Leveling Cement Crack Filler, Slab Concrete Waterproof Repair Sealant for Driveway, Walkway, Patio, Joint, Outdoor Quick Drying Sealer
This product emphasizes high elasticity and crack resistance, making it particularly suitable for areas experiencing frequent expansion and contraction, such as driveways and sidewalks. Compared with the waterproof self-leveling filler, it offers superior flexibility to handle ground movement without cracking or pulling away, which is critical in high-traffic outdoor settings. Its fast surface drying time (4-6 hours) makes it appealing for urgent repairs, although full curing takes up to 48 hours. The versatility to apply on various surfaces like concrete, asphalt, and metal broadens its use cases, especially where movement is a concern. While its high elasticity is a clear advantage, it may be overkill for small or static cracks, and some users might find the application process a bit finicky for precise smoothing. This pick is best suited for concrete surfaces with ongoing movement where flexibility and waterproofing are priorities.
Pros:- High elasticity and crack resistance
- Excellent adhesion despite ground movement
- Weather-resistant and waterproof
- Fast surface drying
Cons:- Application can be tricky for smooth finish
- Longer full cure time (up to 48 hours)
Best for: Property owners needing a flexible, waterproof crack filler for driveways and sidewalks prone to movement.
Not ideal for: Indoor projects with minimal movement or for those seeking a quick, permanent seal without ongoing flexibility needs.
Our verdict“This high-elasticity, quick-drying sealant excels in high-stress outdoor environments where flexibility and waterproofing are essential, though it may require careful application for best results.”
How We Picked
Products were evaluated based on their elasticity, water resistance, ease of application, drying time, and overall durability. We prioritized products that are specifically designed for large cracks, which require flexibility to accommodate movement. Cost-effectiveness and user reviews also played a role, especially regarding ease of use for DIY repairs. The ranking reflects a balance between professional-grade performance and value, with an emphasis on long-term effectiveness in outdoor and high-traffic areas.| concrete crack filler for large crack | Application |
|---|---|
| Pack of 4 Self Leveling Concre | Self-leveling, no caulking gun needed |
| Sika | Pre-mixed, no mixing required |
| Concrete Crack Filler | Manual with tips for various crack sizes |
| Self-Leveling Waterproof Concr | Self-leveling, no mixing |
| DAP Concrete Crack Filler | Water-activated |
| DAP Concrete and Mortar Filler | — |
| Red Devil 0645 Concrete Repair | — |
| Concrete Crack Filler | — |
| DAP Liquid Cement Crack Filler | — |
| Red Devil 0641 Concrete Repair | — |
| Concrete Crack Filler | Concrete, brick, tile, metal, wood |
| Concrete Crack Filler | — |
Factors to Consider When Choosing Concrete Crack Filler For Large Cracks
Selecting the right concrete crack filler for large cracks involves understanding several key factors. The most important considerations include elasticity, water resistance, drying time, and ease of application. A filler that remains flexible prevents new cracks from forming as the concrete expands and contracts. Water resistance is crucial for outdoor areas, preventing damage from moisture. Drying time impacts project scheduling, especially for DIY repairs, while ease of application determines how straightforward the repair process will be. Keeping these factors in mind helps ensure your repair lasts longer and performs better in challenging conditions.Elasticity and Flexibility
For large cracks, especially in outdoor environments, flexibility is essential. Materials that are too rigid tend to crack again as concrete naturally expands and contracts. Look for fillers labeled as ‘high elasticity’ or ‘self-leveling,’ which can adapt to movement and reduce the likelihood of future damage. Choosing a product with superior flexibility can justify a higher price, as it offers better long-term performance.
Water Resistance
Moisture exposure is a primary concern for outdoor concrete repairs. Water-resistant fillers prevent water infiltration, which can weaken the repair and cause further deterioration. Sealants with waterproof properties are particularly valuable for driveways, patios, and sidewalks that endure rain, snow, or frequent washing. Failing to select a water-resistant product increases the risk of repair failure over time.
Drying and Curing Time
Drying time impacts how quickly you can complete repairs and return to normal use. Fast-drying formulas are convenient but may compromise on working time or flexibility. Conversely, longer curing periods can enhance bond strength and durability but require patience. Consider your project timeline and choose a product that balances speed with performance, especially for large cracks that need thorough sealing.
Ease of Application
DIYers should prioritize products that are straightforward to apply, such as ready-mix or self-leveling fillers. These reduce the risk of improper application, which can lead to subpar repairs. Professional users might prefer products that require mixing but offer superior control and adhesion. Always check for clear instructions and tools included with the product to streamline the repair process.
Cost and Long-Term Value
While budget options may seem attractive initially, they often lack the durability required for large cracks exposed to harsh conditions. Investing in higher-quality, flexible, and waterproof fillers can save money over time by reducing the need for future repairs. Balance your budget with the expected lifespan and performance of the product, especially if the repaired area bears significant load or exposure.
Frequently Asked Questions
Can I use a small crack filler for large cracks?
Using a filler designed for small cracks on large cracks generally isn’t advisable because it may lack the elasticity and volume needed to fill bigger gaps properly. Large cracks require a product with high flexibility and strength to withstand movement and prevent future widening. Applying a small crack filler to large cracks can result in failure, requiring you to redo the repair sooner than expected.
How long should I wait before walking or driving on a repaired crack?
Drying and curing times vary between products, but most require at least 24 hours before light foot traffic and up to 72 hours or more before driving. Always follow the manufacturer’s instructions for the specific product used. Rushing this process can cause the filler to weaken or shift, compromising the repair’s durability and longevity.
Are epoxy-based fillers better than cement-based ones for large cracks?
Epoxy-based fillers typically provide stronger bonds and are more resistant to water and chemicals, making them suitable for structural repairs. However, they are often more complex to apply and may require mixing and precise handling. Cement-based fillers, especially those with high elasticity, are easier for DIY projects and still offer good flexibility. The choice depends on the crack’s size, location, and whether structural reinforcement is needed.
Should I seal the surface after filling large cracks?
Sealing the surface after filling large cracks can provide extra protection against moisture infiltration, especially in outdoor settings. It also helps maintain the appearance and prevent dirt or debris from settling into the repair. However, ensure the filler has fully cured before applying a sealant. Combining both steps can extend the lifespan of your repair significantly.
What’s the best way to prepare a large crack before applying filler?
Proper preparation involves cleaning out loose debris, dirt, and any deteriorated material from the crack. Using a wire brush or compressed air helps ensure the filler adheres well. For deep or wide cracks, it may be necessary to undercut the edges for better bonding. Ensuring a clean, dry surface improves the effectiveness and longevity of the repair.
Conclusion
For most DIY repairs on large cracks, the Pack of 4 Self Leveling Concrete Crack Filler offers a balanced mix of flexibility, waterproofing, and ease of use, making it an excellent overall choice. If you’re seeking durability and are willing to invest more, a premium product like high-elasticity fillers provides longer-lasting results. Beginners will benefit from user-friendly, quick-drying options, while professionals might prefer products with stronger bonding and control. For cracks exposed to weather or heavy use, prioritizing water resistance and flexibility ensures lasting repairs. Ultimately, matching the product to your specific needs and environment will yield the best outcomes.
