Asphalt driveways and pavements are popular for many reasons they’re more affordable, faster to install, and easier to repair than concrete. Asphalt also offers a smoother, quieter ride, making it a preferred choice for homeowners and businesses alike. But a common question often arises: Can you lay asphalt over concrete?
Technically, yes - you can put asphalt on top of an existing concrete surface. However, doing so comes with several challenges that can lead to long-term problems. Let’s take a closer look at why it’s usually not the best approach and what should be done instead.
Why It’s Not Recommended to Lay Asphalt Over Concrete
Issues with the Concrete Sub-Base
When concrete is installed, the focus is primarily on the top surface rather than thoroughly preparing the ground underneath. Concrete is rigid enough to handle minimal sub-base work. Asphalt, on the other hand, is more flexible and requires a stable, well-prepared foundation. If the ground beneath is not properly compacted or is uneven, the asphalt layer can shift, crack, or develop depressions over time.
Problems from Concrete Movement
Concrete surfaces often have expansion joints that allow them to expand and contract with temperature changes. If asphalt is laid directly over these joints without proper treatment, these movements will eventually cause cracks in the asphalt, mirroring the underlying concrete. In addition, any weak spots or existing damage in the concrete can further undermine the strength and durability of the new asphalt layer.
How HippoSeal Handles Concrete Replacement and Asphalt Installation
- Removing the Concrete
At HippoSeal, we start by carefully removing the old concrete surface. Using professional-grade equipment, our team ensures the concrete is fully broken up and cleared away without causing unnecessary damage to the surrounding areas. This crucial first step sets the stage for a smooth, stable new installation.
- Preparing the Sub-Base
Once the concrete is cleared, we focus on creating a strong and reliable foundation. We properly grade, compact, and level the sub-base to support the new asphalt surface. A well-prepared sub-base is essential for preventing future problems like cracks, uneven areas, and drainage issues.
- Installing the Asphalt
After the sub-base is ready, we proceed with installing the new asphalt surface. At HippoSeal, we use high-quality materials and follow strict industry standards to deliver a smooth and long-lasting finish. We pay special attention to compaction and water drainage to make sure your new surface remains strong and durable for years.
- Providing Ongoing Maintenance
A new asphalt surface needs regular care to stay in top shape. HippoSeal offers comprehensive maintenance services, including crack sealing, cleaning, resealing, and routine inspections. With our asphalt sealcoating services in Dalton and surrounding areas, we help extend the life of your driveway or pavement while keeping it looking fresh and well-protected.
Final Thoughts
Although laying asphalt over concrete might seem like a convenient and cost-effective option initially, it often leads to serious problems down the road. The question, "Can asphalt be laid over concrete?" may have a straightforward yes-or-no answer, but the reality is more complex and can end up costing more in repairs and replacements.
At HippoSeal, we believe in doing it right the first time. By removing the old concrete and properly preparing the sub-base before installing new asphalt, we ensure a stronger, longer-lasting surface. Combined with our expert asphalt sealcoating services in Dalton, your new driveway or pavement will stay smooth and attractive for years to come.
If you’re ready to upgrade your old concrete surface to a durable asphalt driveway or pavement, get in touch with HippoSeal today. We’re here to help you create a reliable, beautiful surface that stands the test of time.
