how to repair asphalt driveway sinking

Fix Sinking Asphalt Driveway Easily | Quick Guide

When your asphalt driveway starts sinking and becomes 4 or 5 inches lower than your garage floor, it’s important to fix it to prevent water pooling and eventual damage to the driveway. While asphalt companies charge a significant amount for repairs, you can save money by doing it yourself. All you need are some basic tools and materials that can be purchased at a hardware store. The process involves cutting out the sunken area, adding layers of cold patch material, and compacting it until it is level with the garage floor. It’s best to do this repair during warm, dry weather and allow the cold patch to fully cure for 30 days.

Key Takeaways:

  • Repairing a sinking asphalt driveway can save you money compared to hiring professionals.
  • You can fix sinking asphalt driveways by cutting out the sunken area, adding cold patch material, and compacting it.
  • It’s important to perform the repair during warm, dry weather and allow the cold patch to fully cure for 30 days.
  • Regular maintenance of your asphalt driveway, including resealing cracks and applying asphalt sealer, will prolong its life.
  • Proper drainage and prompt addressing of new cracks or sinking spots are crucial for preventing bigger issues.

Understanding the Causes of Sinking Asphalt Driveways

There can be several causes for a sinking asphalt driveway. Improper rainwater drainage, underground collapse or erosion, site conditions, and unstable soil are some common factors that contribute to this issue.

  1. Improper rainwater drainage: When rainwater is not effectively diverted away from the driveway, it can pool and seep into the underlying layers. Over time, this can erode and undermine the soil bed, causing the driveway to sink.
  2. Underground collapse or erosion: Broken buried pipes or underground streams can lead to underground collapse or erosion. This weakens the stability of the soil beneath the driveway, resulting in sinking.
  3. Site conditions: The specific environmental conditions of the building site can play a role in driveway sinking. Sinkholes, unstable soil, and hillside erosion can all contribute to the deterioration of the driveway surface.

Identifying the underlying cause is essential before attempting any repairs. By addressing the root issue, you can ensure a long-lasting solution that prevents future sinking.

Preparing the Driveway for Repairs

Before embarking on repairing your asphalt driveway, it’s crucial to properly prepare the area to ensure successful results. By removing dirt, dust, and vegetation, you create a clean surface that allows the repair materials to adhere effectively to the existing asphalt.

Removing Dirt and Dust

The first step in preparing your driveway for repairs is to eliminate any dirt and dust that may have accumulated. This can be easily accomplished by sweeping the area with a broom or using a leaf blower to remove loose debris. Pay special attention to corners, cracks, and uneven areas where dirt and dust tend to accumulate.

Eliminating Vegetation

Next, it’s essential to remove any vegetation, such as weeds or grass, that may be growing in the cracks or along the edges of the driveway. Vegetation can weaken the asphalt and cause further damage if left unchecked. You can tackle this issue by using a gardening hoe to scrape away the plant matter or by employing a heat flame crack torch for more efficient results.

“By ensuring the repair area is clean and free from obstacles, the repair materials will adhere better to the existing asphalt.”

By diligently removing dirt, dust, and vegetation from your driveway, you establish a solid foundation for the repair process. This initial step sets the stage for a successful repair, guaranteeing improved adhesion and durability of the repair materials.

Steps to Prepare Your Driveway for Repairs
1. Sweep the driveway with a broom or use a leaf blower to remove dirt and dust.
2. Eliminate any vegetation using a gardening hoe or a heat flame crack torch.

Pothole Repairs in Driveway Asphalt

If your asphalt driveway has potholes, it’s important to repair them to maintain the integrity of the surface. Potholes not only create a hazard for vehicles but can also worsen over time if left unattended. Fortunately, repairing potholes in your driveway can be a straightforward process with the right materials and tools.

To fix potholes, you will need:

  • A pothole patch material
  • An asphalt tamper or vibratory plate compactor

The pothole patch material is used to fill in the pothole and create a smooth surface. There are two main options for pothole patch materials: traditional cold patch and newer, stronger alternatives.

The traditional cold patch is a mixture of aggregate and an oil bitumen-like binder that doesn’t harden at colder temperatures. While it provides a temporary fix, it may not last as long as the newer options.

On the other hand, newer pothole patch options offer a more long-lasting solution. These materials are designed to withstand various weather conditions, providing enhanced durability and longevity.

How to Repair Potholes in Your Asphalt Driveway:

  1. Clean the pothole: Remove any loose debris or vegetation from the pothole. This will ensure proper adhesion of the patch material.
  2. Apply the pothole patch material: Fill the pothole with the chosen patch material, following the product instructions.
  3. Compact the patch material: Use an asphalt tamper or vibratory plate compactor to compact the patch material. This will help achieve a smooth and level surface.
  4. Allow time for curing: Let the patch material cure according to the manufacturer’s recommendations. This will ensure its stability and longevity.

By following these steps, you can effectively repair potholes in your asphalt driveway, preventing further damage and ensuring a safe and functional surface.

Alligator Asphalt Repair

Alligator cracks are a common issue in driveway asphalt, characterized by a series of cracks that resemble the scales of an alligator or a spider web. Repairing these cracks is crucial to prevent further damage and maintain the integrity of your driveway. To address alligator cracks in driveway asphalt, you will need the following materials:

  1. Alligator patch material
  2. Asphalt tamper

The alligator patch material is specifically designed to repair alligator cracks and provide long-lasting protection. It is formulated to withstand the stress and movement of the cracks, preventing them from spreading and deteriorating further. When applying the alligator patch material, ensure that the cracks are clean and free from debris.

Pro Tip: Use a wire brush or a pressure washer to clean the cracks thoroughly before applying the alligator patch material. This will ensure better adhesion and a more durable repair.

Once the cracks are clean, the alligator patch material should be applied directly into the cracks, filling them completely. Use a trowel or similar tool to press the material firmly into the cracks, ensuring proper adhesion. Next, use an asphalt tamper to compact the patch material, making it level with the surrounding asphalt.

Purchasing Alligator Patch Material

When buying alligator patch material, it’s important to choose a high-quality product that is specifically designed for repairing alligator cracks. Look for reputable brands and read product reviews to ensure you select the best option for your needs.

Quote: “Using a reliable alligator patch material is key to achieving a durable repair and preventing further damage.” – Driveway Repair Expert

Popular Alligator Patch Brands Features
Brand A Provides long-lasting protection against alligator cracks
Brand B Easy-to-use formula for quick repairs
Brand C Durable and weather-resistant material

Remember, proper application and compaction of the patch material using an asphalt tamper are crucial for a successful alligator asphalt repair. Take your time to ensure that the cracks are properly filled and compacted, following the manufacturer’s instructions for the specific patch material you choose.

Conclusion

Repairing a sinking asphalt driveway is a manageable task that can save you money compared to hiring professionals. By following the proper steps and using the right materials, you can fix potholes and alligator cracks to ensure a durable and long-lasting driveway surface.

To maintain the quality of your asphalt driveway, regular maintenance is crucial. Resealing cracks every two to three years and applying a fresh layer of asphalt sealer every three to five years will help protect your driveway from further damage caused by moisture and harsh weather conditions.

Additionally, proper drainage is essential to prevent water from pooling on your driveway and causing erosion. Promptly removing snow and ice buildup will minimize the risk of cracks and damage during the winter months. And don’t forget to address any new cracks or sinking spots promptly to tackle them before they become bigger issues.

By following these regular maintenance tips and taking care of any repair needs promptly, you can extend the lifespan of your asphalt driveway and enjoy a smooth, functional, and visually appealing surface for years to come.

FAQ

How can I fix a sinking asphalt driveway?

To fix a sinking asphalt driveway, you can do it yourself by cutting out the sunken area and adding layers of cold patch material. Compact the material until it is level with the garage floor. Make sure to do the repair during warm, dry weather and allow the cold patch to fully cure for 30 days.

What are the causes of a sinking asphalt driveway?

A sinking asphalt driveway can be caused by improper rainwater drainage, underground collapse or erosion, unstable soil, or site conditions specific to the region and building site.

How do I prepare my driveway for repairs?

Before starting the repairs, you need to remove any dirt, dust, and vegetation. This can be done by sweeping the area with a broom or using a leaf blower to remove loose debris. Vegetation can be eliminated using a gardening hoe or a heat flame crack torch.

How do I repair potholes in my driveway asphalt?

To repair potholes in driveway asphalt, you will need a pothole patch material and an asphalt tamper or vibratory plate compactor. Apply the pothole patch material to the pothole and compact it using the tamper or compactor for optimal results.

How do I repair alligator cracks in my driveway asphalt?

To repair alligator cracks, you will need an alligator patch material and an asphalt tamper. Apply the patch material to the cracks and compact it using the tamper for proper adhesion and durability.

How often should I maintain my asphalt driveway?

It’s important to regularly maintain your asphalt driveway by resealing cracks every two to three years and applying a fresh layer of asphalt sealer every three to five years. Additionally, promptly remove snow and ice buildup and address any new cracks or sinking spots.

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