Best Tar and Asphalt Crack Fillers for Driveways
Cracked driveways can let water seep through and cause more damage over time. This guide highlights five top-rated asphalt crack fillers that are designed for DIY use, durability in extreme weather, and a clean, professional finish. Each product below is chosen for its compatibility with asphalt surfaces, ease of application, and long-lasting sealing capabilities. Use the quick-reference table to compare core details before you decide which is right for your project.
| Product | Brand | Key Use | Crack Width Coverage |
|---|---|---|---|
| Bluestar Flexible Asphalt Crack Filler | Blue Star | DIY crack filling in hot and cold weather | Up to 1 inch |
| SIKA Sikaflex-410 Asphalt Sealant | SIKA | Self-leveling sealant for driveways and roadways | Up to 1.5 inches |
| Red Devil Asphalt Crack Filler Sealant – Black | Red Devil | Water-resistant seal for cracks and joints | Various sizes; blends with asphalt |
| Tharos Distribution Magic Crack Filler 2.5LB | Tharos Distribution | Dry granular, no-mess, DIY asphalt crack filling | Various crack sizes |
| Henry Driveway Elastomeric Emulsion Crack Filler | Henry | Elastomeric emulsion for driveways | General use on driveways |
Note: All products listed are suitable for asphalt surfaces and are designed to resist cracking and water intrusion, helping extend the life of your driveway.
Bluestar Flexible Asphalt Crack Filler
Features: DIY – Fast & Easy To Apply – No Special Tools Needed, Formulated To Remain FLEXIBLE in HOT and COLD Weather, Fill Cracks up to ONE INCH WIDE.
The Bluestar filler is designed for quick, user-friendly application with flexible performance in temperature swings. Suitable for seasonal and urban driveways, it provides a robust seal against moisture and weathering, making it a popular option for homeowners tackling small to medium-width cracks.
Henry Driveway Elastomeric Emulsion Crack Filler
Features: Driveway Elastomeric Emulsion Crack Filler.
Henry’s elastomeric emulsion offers a flexible seal that adapts as the asphalt expands and contracts. It’s formulated for driveways and parking areas, helping to prevent resealing failures caused by temperature fluctuations and traffic wear. Ideal for cracks that are slightly wider or irregular in shape, providing a durable barrier against water penetration.
SIKA Sikaflex-410 Asphalt Sealant
Features: IDEAL BLACKTOP — Self-leveling black sealant for asphalt; TOUGH AND DURABLE — Weather-resistant with permanent elasticity; Resists tearing and cracking.
SIKA Sikaflex-410 is a premium option for long-term performance on driveways and roadways. The self-leveling design helps create a smooth, uniform finish, particularly effective for surface cracks and minor voids. The sealant remains flexible under aging and weathering, reducing the need for frequent repairs.
Tharos Distribution Magic Crack Filler 2.5LB Asphalt Black
Features: Dry Granular, No Mess, DIY — Water-dampened application; Fills a wide range of crack sizes; Provides a refreshed, uniform appearance.
This filler uses a granulated formula that handles both hairline cracks and larger gaps. The no-mess, dry-to-wet process makes it accessible for beginners and homeowners who prefer a simple, straightforward installation with minimal tools.
Red Devil Asphalt Crack Filler Sealant – Black
Features: ASPHALT-MATCHING FINISH: Blends with asphalt for a professional look; DURABLE & FLEXIBLE SEAL: Remains pliable to resist cracking; PREVENTS WATER DAMAGE: Creates a water-resistant seal against moisture and frost.
Red Devil’s black asphalt filler is designed to integrate visually with existing pavement while delivering durable, flexible sealing. The product aims to block moisture and resist frost-related damage, helping extend the life of driveways and walkways.
Red Devil Asphalt Crack Filler Sealant – Black
Features: AS asphalt-matching finish; Durable & Flexible; Prevents Water Damage.
Similar to the other Red Devil product, this option emphasizes a seamless appearance and resilient sealing. It provides flexibility essential for driveways that experience freeze-thaw cycles and heavy traffic, reducing the risk of future cracks.
Buying Guide: Key Purchase Considerations
- Crack width and depth: Match filler type to the widest cracks you need to seal. Some products are best for hairline cracks, while others handle wider gaps up to 1.5 inches.
- Driveway traffic and climate: For high-traffic areas or extreme temperatures, opt for elastomeric or self-leveling sealants with lasting elasticity.
- Application method: Consider user-friendliness—pre-mixed, no-mix formulas, or dry powders that require water. Self-leveling formulas often yield smoother results for broad cracks.
- Color and finish: Asphalt-matching colors help preserve curb appeal. Some products tint or blend more naturally with blacktop than others.
- Durability and weather resistance: Look for sealants designed to resist UV exposure, moisture, frost, and aging to minimize resealing frequency.
- Rework and cleanup: Dry-granular or no-mix options reduce preparation time and cleanup, appealing to DIYers aiming for a clean workflow.
- Compatibility with existing surfaces: Ensure the product is suitable for asphalt driveways and not limited to concrete or other pavements.
- Warranty and brand reputation: Consider products from established brands with clear usage guidelines and customer support.
When selecting a product, assess your crack profile and climate, then choose a filler that provides elasticity, moisture resistance, and a durable finish. For broader, irregular cracks and ongoing temperature shifts, elastomeric or self-leveling formulas typically offer superior performance. Always follow the manufacturer’s surface preparation steps and drying times for best results.