best things to seal driveway seams: 5 Best Choices

I’ve spent years tackling driveway repairs, and one thing I’ve learned is that ignoring those pesky cracks and seams is a recipe for bigger headaches down the road. Finding the best things to seal driveway seams isn’t just about aesthetics; it’s about protecting your investment from water, freeze-thaw cycles, and general wear and tear. In this guide, I’ll share my hands-on insights on five top-rated products, breaking down what makes them stand out so you can pick the perfect solution for your driveway.

IMAGE	PRODUCT NAME	AMAZON LINK
	MasonryDefender Concrete Sealer for Driveways, Patios, &…	View on Amazon
	Red Devil 0637 Asphalt Crack Filler Sealant, Driveway…	View on Amazon
	Black Jack Drive-Maxx 500 Matte Black Water-Based…	View on Amazon
	Leak Stopper Rubber Flexx Leak Repair & Sealant Waterproof…	View on Amazon
	Asphalt Crack Repair Tape Driveway Sealer Filler Joint…	View on Amazon

1. MasonryDefender Concrete Sealer for Driveways, Patios, &…

If you’re looking for a concrete sealer that works hard without changing your driveway’s look, this is it. I really appreciate how the MasonryDefender product offers invisible, penetrating protection for concrete surfaces. It doesn’t leave a glossy film, so your concrete maintains its natural appearance while still getting robust defense against moisture and damaging elements like ice melt salts. It’s a fantastic option if you want effective sealing without altering the aesthetic of your concrete.

Key features that stand out:
– Clear Penetrating Concrete Sealer: Protects without altering color or appearance.
– Effective Sealant & Water Repellent: Bonds with concrete for long-lasting water protection, causing water to bead.
– Powerful Concrete Driveway Sealer: Shields from pitting, cracking, ice melt salts, and freeze-thaw cycles.
– Simple Application: Easy to apply with a low-pressure garden sprayer.
– Breathable Driveway Concrete Sealer: Soaks into pores to block water without forming a surface film.

Pros:
– Maintains the natural look of your concrete.
– Provides excellent water repellency and protection from harsh elements.
– Allows the concrete to breathe, preventing moisture buildup.
– Simple and straightforward spray application.

Cons:
– Specifically designed for concrete; not suitable for asphalt driveways.

Best for: Concrete driveways, sidewalks, and patios where you want effective, invisible protection without changing the surface’s appearance.

Expert Opinion: This sealer is a go-to for concrete surfaces. Its ability to penetrate and protect without leaving a visible film is a significant advantage for homeowners who value both durability and aesthetics. It truly extends the life of your concrete.

2. Red Devil 0637 Asphalt Crack Filler Sealant, Driveway…

When I’m patching cracks in an asphalt driveway, I often reach for something like the Red Devil 0637. What really stands out about this product is its excellent color and texture match to asphalt, making repairs blend in seamlessly. It forms a watertight, flexible seal that resists cracking, which is crucial for asphalt that expands and contracts with temperature changes. Plus, the fact that you can use it on damp surfaces is a huge time-saver.

Key features that stand out:
– Colored & Textured like Asphalt: Provides an excellent visual match.
– Forms a Watertight Seal: Creates a durable repair that keeps water out.
– Stays Flexible: Resists cracking as asphalt moves.
– Adheres to Damp Surfaces: Can be used even in less-than-ideal wet conditions.
– MADE IN THE USA: Proudly produced domestically.

Pros:
– Blends incredibly well with existing asphalt, making repairs less noticeable.
– Highly flexible, which helps prevent future cracking.
– Can be applied in damp conditions, offering more flexibility for repair schedules.
– Forms a strong, watertight barrier against moisture.

Cons:
– Primarily designed for asphalt surfaces, so it won’t work for concrete.

Best for: Filling and sealing cracks in asphalt driveways where you want a repair that matches the existing surface and remains flexible.

Expert Opinion: For asphalt crack repair, color and texture match are key. This product delivers on both, making it an excellent choice for repairs that need to be durable and blend in. Its flexibility is critical for asphalt’s dynamic nature.

3. Black Jack Drive-Maxx 500 Matte Black Water-Based…

The Black Jack Drive-Maxx 500 is a workhorse for larger asphalt sealing jobs. When I need to cover a good amount of area or tackle multiple seams, its 4.75-gallon pack size is incredibly convenient. As a liquid, it’s easy to apply, and the matte black finish helps rejuvenate older asphalt driveways, making them look fresh and uniform. It’s a solid choice for general maintenance and sealing minor cracks across your entire asphalt surface.

Key features that stand out:
– Liquid, Black: Easy to apply and provides a uniform black finish.
– 4.75 gal Pack: Generous volume suitable for larger driveway projects.
– Filler and Sealer: Designed to both fill small imperfections and seal the surface.

Pros:
– Large volume is cost-effective for bigger driveways or multiple sealing tasks.
– Easy to spread evenly across asphalt surfaces.
– Restores a fresh, dark appearance to faded asphalt.
– Acts as both a filler for small cracks and a protective sealer.

Cons:
– Might be overkill for very small, isolated crack repairs.

Best for: Resealing and refreshing larger asphalt driveways, filling minor cracks, and providing a uniform matte black finish.

Expert Opinion: When it comes to overall asphalt driveway maintenance, a bulk sealer like this is invaluable. It provides a protective layer that helps prevent new cracks and deteriorates, making it one of the best things to seal driveway seams as part of a broader maintenance plan.

4. Leak Stopper Rubber Flexx Leak Repair & Sealant Waterproof…

While not exclusively a driveway seam sealer, the Leak Stopper Rubber Flexx is a surprisingly versatile product I’ve used for various repairs, including small, tricky driveway leaks. Its main benefit is its ability to create a strong, reinforced, waterproof bond on almost anything. While it comes in white, which might not match most driveways perfectly, its powerful sealing capabilities make it a handy emergency repair solution for those stubborn little leaks or gaps that need immediate attention and a flexible seal.

Key features that stand out:
– Repairs Leaks on Almost Anything: Highly versatile for various materials and surfaces.
– Creates a Strong, Reinforced Bond: Forms a durable and robust seal.
– Waterproof: Effectively prevents water penetration.
– Available in White: A distinct color for easy identification of repairs.

Pros:
– Extremely versatile for quick fixes beyond just driveways.
– Forms a very strong, durable, and waterproof seal.
– Provides a reinforced bond that lasts.
– Excellent for emergency repairs or difficult-to-seal spots.

Cons:
– Only available in white, which might not be aesthetically pleasing for most dark driveways.

Best for: Versatile, emergency leak repair on various surfaces, including small, flexible cracks or gaps in driveway seams where strong waterproofing and bond are more critical than color matching.

Expert Opinion: This product is more of a multi-tool for sealing. While not a primary choice for extensive driveway seams due to its color, its incredible bonding strength and versatility make it a “secret weapon” for specific, challenging spot repairs that need a flexible, waterproof solution.

5. Asphalt Crack Repair Tape Driveway Sealer Filler Joint…

This Asphalt Crack Repair Tape is a fantastic no-fuss option for sealing driveway seams, especially on asphalt. What I love most is its self-adhesive design, meaning no heating equipment is needed. You just clean the crack, peel, stick, and compress. It forms a waterproof and sunproof seal that adapts well to various crack shapes and sizes. It’s truly one of the simplest and most effective best things to seal driveway seams when you’re dealing with asphalt cracks and want a quick, reliable fix.

Key features that stand out:
– Self Adhesive Asphalt Crack Tape: No heating equipment needed, incredibly easy to apply.
– Good Stickiness: Fits tightly into road cracks, providing a secure bond.
– Simple to Use: Just clean, peel, stick, and compress for effective repair.
– Quality and Reliable to Use: Made from durable material, suitable for various conditions.
– Applicable Occasions: Works from -45°C to 75°C on cement and asphalt surfaces.

Pros:
– Extremely easy and quick to apply, saving time and effort.
– Requires no special tools or heating.
– Forms a strong, waterproof, and sunproof seal.
– Highly flexible, adapting to bending cracks.
– Effective across a wide range of temperatures.

Cons:
– Tape might be more visible than liquid fillers, especially on older, less uniform asphalt.

Best for: Quick, easy, and effective repair of longer, straight, or bending cracks and seams on asphalt driveways, without the need for specialized equipment.

Expert Opinion: For rapid asphalt crack repair, this tape is a game-changer. Its self-adhesive nature makes it incredibly user-friendly and efficient, providing a robust, long-lasting seal without the mess or hassle of liquid applications. It’s a brilliant choice for homeowners looking for straightforward solutions.

Helpful Comparison Short Insights

When looking at the best things to seal driveway seams, you’ll notice a few key differences that will guide your choice. For concrete driveways, MasonryDefender is a clear winner for its invisible, penetrating protection, ensuring your concrete stays looking natural while being fully protected. If you’ve got an asphalt driveway, the Red Devil 0637 filler offers an excellent color match and flexibility, making repairs blend in beautifully. For larger asphalt resealing jobs and minor crack filling, Black Jack Drive-Maxx 500 provides great coverage and a fresh matte black finish. For quick, no-fuss asphalt crack repairs on the go, the Asphalt Crack Repair Tape is incredibly convenient and easy to apply. Finally, the Leak Stopper Rubber Flexx is your multi-purpose repair friend if you need something truly versatile with a super strong bond, though its white color might not suit all driveway aesthetics for extensive work.

Final Verdict

So, which of these best things to seal driveway seams should you choose? It really boils down to your driveway material and the nature of the repair you’re facing.

• For invisible, breathable protection on concrete: Your top pick should be the MasonryDefender Concrete Sealer.
• For natural-looking, flexible asphalt crack repairs: The Red Devil 0637 Asphalt Crack Filler is an outstanding choice.
• For broad asphalt resurfacing and filling minor cracks over a larger area: Black Jack Drive-Maxx 500 offers excellent value and coverage.
• For hassle-free, immediate asphalt crack sealing with minimal effort: The Asphalt Crack Repair Tape is super convenient and effective.
• For versatile, strong bonding on various small leaks or stubborn cracks where color isn’t the primary concern: Consider Leak Stopper Rubber Flexx.

Each product brings its unique strengths to the table. By understanding your specific needs—whether it’s material type, repair size, or application ease—you’re well on your way to selecting the perfect solution and maintaining a well-sealed and protected driveway for years to come.

Comprehensive FAQ Section

Q1: Why is it important to seal driveway seams?
A1: Sealing driveway seams is crucial for protecting your investment. It prevents water penetration, which can lead to freeze-thaw damage (cracking and pitting), weed growth, erosion of the sub-base, and overall deterioration of your driveway. It also helps extend the lifespan of your driveway and improves its curb appeal. Regularly addressing these seams is one of the best things to seal driveway seams you can do for maintenance.

Q2: How often should I seal my driveway seams?
A2: The frequency depends on your driveway material, local climate, and the type of sealer used. Asphalt driveways often benefit from sealing every 2-3 years, while concrete sealers might last 3-5 years. However, individual seams or cracks should be addressed as soon as they appear to prevent further damage, regardless of the overall resealing schedule.

Q3: Can I use asphalt sealer on a concrete driveway, or vice versa?
A3: Generally, no. Asphalt and concrete are very different materials with distinct chemical compositions and expansion/contraction properties. Sealers are specifically formulated for one or the other. Using the wrong type of sealer can result in poor adhesion, reduced effectiveness, or even damage to the driveway surface. Always check the product label to ensure it’s compatible with your driveway material.

Q4: What’s the best way to prepare my driveway before sealing seams?
A4: Proper preparation is key to a long-lasting seal. Start by thoroughly cleaning the cracks or seams – remove all dirt, debris, loose fragments, oil, grease, and any vegetation. A stiff brush, wire brush, or even a pressure washer can be effective. Ensure the area is completely dry (unless the product specifically states it can be applied to damp surfaces, like Red Devil 0637). For deeper cracks, you might need to fill them with sand before applying the sealant to create a stable base.

Q5: What are the differences between penetrating and film-forming sealers?
A5: Penetrating sealers, like MasonryDefender, soak into the surface of the concrete, lining the pores and creating a breathable, water-repellent barrier without changing the surface’s appearance or texture. Film-forming sealers, on the other hand, create a protective layer on top of the surface, often leaving a glossy or matte finish. Both offer protection, but penetrating sealers are favored for maintaining a natural look and allowing the material to breathe.

Q6: What should I do if my driveway cracks are very wide or deep?
A6: For very wide cracks (e.g., over 1 inch) or deep fissures, a simple liquid sealer might not be enough. You might need to use a backer rod or sand to fill the void partially before applying a sealant. For extremely severe damage, professional repair might be necessary to ensure structural integrity. Always consult the product’s instructions for maximum crack width recommendations when looking for the best things to seal driveway seams.

Q7: Is it better to use a liquid filler or tape for asphalt cracks?
A7: Both have their advantages. Liquid fillers (like Red Devil or Black Jack) are great for irregular cracks, can penetrate deeper, and often offer a more uniform blend with the existing asphalt, especially for fine cracks. Tapes (like Asphalt Crack Repair Tape) are incredibly easy and quick to apply, require no drying time, and are excellent for relatively straight or slightly bending cracks, providing an immediate seal. Your choice depends on the crack’s nature and your preference for application ease versus a seamless finish.