10 Best Asphalt Crack Fillers

The Liquid Rubber Driveway Restore Sealant is a flexible, heavy-duty asphalt coating designed to fill cracks and refresh weathered driveways. It is a liquid rubber-based product that creates a waterproof membrane, helping to protect your driveway from further damage caused by weather and wear. Its water-based, non-toxic formula makes it environmentally friendly and safer to use around your home. Application is straightforward—you can brush, roll, or squeegee it on, though it requires multiple coats (usually 2 to 3) to build up full protection, and you should apply about 1 gallon per 50 square feet for the best results.

The product is quite flexible, which helps it handle the natural expansion and contraction of asphalt without cracking. It works best for asphalt surfaces, so it’s not suitable for other materials. Being waterproof and designed to withstand weather conditions, this sealant is a good choice if you want to extend your driveway’s life and improve its appearance. However, keep in mind it comes in a large 5-gallon container, which is ideal for bigger projects but might be more than needed for small repairs.

If you're looking for an easy-to-apply, environmentally safer option that offers strong weather resistance and flexibility, this product fits well. Just be prepared to spend some time applying multiple coats to get the full benefit.

Crack-Stix 125 Foot 1/2" Blacktop Crack Filler is a solid choice for filling cracks in both asphalt and concrete surfaces. One of its strengths is that it contains no volatile organic compounds, making it a safer option for the environment and your health. The filler is weather resistant, so it holds up well against rain and changing temperatures, which is important for outdoor repairs.

It's designed for deep cracks or joints, but you’ll need to prepare those cracks first by filling them with backer rod, sand, or stone dust before applying the Crack-Stix. This is a bit more work than some other fillers but helps ensure a long-lasting repair. The application method involves a thicker stick form rather than a liquid or pourable material, which might be easier for some users to handle but less flexible for very small cracks.

Customer feedback is very positive, with an average rating of 4.6 stars, indicating strong user satisfaction. This filler is best suited for deeper cracks where durability and weather resistance are priorities, rather than quick-drying or highly flexible repairs.

Magic Crack Filler is a dry powder crack filler designed mainly for concrete surfaces. It stands out for its ease of use, making it a good choice for DIY enthusiasts who want a simple, no-mess solution. Because it’s a powder, it doesn’t have shelf life concerns like some liquid fillers, and it can be quickly applied with minimal fuss. The product is water resistant, which helps protect repairs from moisture damage, but it’s important to note that it’s intended for concrete rather than asphalt specifically. Its gray color matches concrete well, helping repairs blend in.

If you’re looking for a straightforward, water-resistant concrete crack filler that’s easy to apply and store, Magic Crack Filler could be a solid choice. However, if you need something with proven flexibility or designed specifically for asphalt, you might want to explore other options.