Understanding Asphalt Damage and Repair Options In San Diego

Understanding Asphalt Damage and Repair Options In San Diego 

Understanding Asphalt Damage and Repair Options In San Diego


In the journey of maintaining an old asphalt parking lot, knowing how to seal cracks is vital for its longevity. These 5 practical tips will guide you through the process, ensuring a smooth and durable surface. Asphalt deterioration is a common issue due to weather and wear, but with the right techniques, you can prevent further damage and extend the life of your parking lot. By following these expert tips, you can save time and money while keeping your asphalt in top condition.

Understanding Asphalt Damage

Identifying cracks

Cracks in an old asphalt parking lot are typically categorized into different types based on their appearance and size. These include alligator cracks, linear cracks, and block cracks.

  • Alligator cracks resemble the skin of an alligator, indicating widespread damage.
  • Linear cracks are straight and can be caused by heavy traffic or poor installation.
  • Block cracks form large interconnected rectangular shapes due to underlying issues like inadequate base support.

Causes of deterioration

Asphalt deterioration can be caused by various factors such as UV exposure, moisture infiltration, and heavy vehicles. UV rays break down the asphalt binder, leading to surface cracking. Moisture seeping into the pavement weakens its structure over time, causing potholes. Heavy vehicles exert pressure that weakens the asphalt, resulting in cracks and depressions.

Importance of timely repairs

Timely repairs are crucial to prevent further damage to an old asphalt parking lot. Neglecting cracks can lead to water infiltration, which accelerates deterioration and results in costly repairs. Regular maintenance, including crack sealing, helps prolong the lifespan of the parking lot and ensures a smooth driving surface for vehicles.

Preparing for Crack Sealing

Cleaning the area

Clearing debris and dirt from the cracks is crucial before sealing to ensure proper adhesion of the sealant. Using a wire brush or high-pressure air can effectively clean out the crevices.

To maximize the effectiveness of the sealant, remove any vegetation growing in the cracks, as roots can cause future damage. Sweeping and washing the area will help achieve a clean surface for sealing.

Choosing the right materials

When selecting a sealant, opt for a flexible asphalt crack filler that can withstand temperature changes without cracking. Ensure it is compatible with your existing asphalt to prevent further damage.

Consider factors like sealant durability, ease of application, and overall performance. Look for products with UV resistance to maintain longevity under sun exposure.

Weather conditions

Crack sealing should be done in optimal weather conditions. Avoid sealing in extreme heat or cold, as it can affect the sealant’s adhesion. Ideal temperatures range between 50-75°F for best results.

Ensure there is no rain forecasted for at least 24 hours after sealing to allow proper curing. Humidity levels should be moderate to prevent moisture interference during the sealing process.

Effective Crack Sealing Techniques

Filling small cracks

Small cracks in an asphalt parking lot can be effectively sealed by using rubberized asphalt. This material is heated to a high temperature and then applied directly into the crack. As it cools, it forms a tight seal, preventing water from seeping in and causing further damage.

  • Rubberized asphalt is flexible, allowing it to move with the natural expansion and contraction of the pavement.
  • The process of filling small cracks is quick and cost-effective, helping to prevent them from widening over time.

Repairing larger cracks

For larger cracks, a more extensive repair technique involving crack sealing machines may be necessary. These machines heat blocks of rubberized asphalt until they melt, then pump the liquid material into the crack. Once cooled and solidified, it creates a durable seal that prevents moisture infiltration.

  • Crack sealing machines ensure a thorough and long-lasting repair for larger cracks.
  • This method is efficient for addressing wider crevices that cannot be adequately filled with manual techniques.

Sealcoating for protection

Sealcoating plays a crucial role in protecting asphalt surfaces from environmental elements like UV rays, water, and chemicals. It acts as a barrier, preventing moisture penetration and enhancing the overall durability of the parking lot.

  1. Sealcoating should be applied regularly to maintain the integrity of the asphalt surface.
  2. It helps extend the lifespan of the parking lot by reducing wear and tear caused by weather conditions.

Maintenance Tips Post-Repair

Regular inspections

Perform regular inspections to identify new cracks or damages in the asphalt parking lot. This helps in detecting issues early and preventing them from worsening. Inspections should be done monthly to ensure timely maintenance.

Immediate action on new cracks

Take immediate action on new cracks by sealing them promptly to prevent water infiltration and further deterioration. Use a high-quality crack sealant to fill the gaps effectively and ensure long-lasting repair results.

Proper cleaning practices

Implement proper cleaning practices to maintain the asphalt parking lot’s integrity post-repair. Regular sweeping and debris removal help prevent debris accumulation, which can lead to additional damage over time. Pressure washing can be used for thorough cleaning periodically.

Professional Help vs. DIY

When to call experts

If cracks in your asphalt parking lot are extensive or deep, calling professionals is crucial. Professionals use advanced equipment for precise repairs and ensure long-lasting results.

Seek expert help if you lack experience in handling asphalt repairs, especially for large-scale projects. Professionals can accurately assess the damage and recommend the best course of action.

DIY repair kits

DIY repair kits offer a cost-effective solution for minor cracks in your asphalt parking lot. These kits typically include sealant, filler, and application tools for convenient at-home repairs.

With DIY kits, you have the flexibility to fix small cracks at your convenience without waiting for professional assistance. They are user-friendly and come with detailed instructions for easy application.

Safety considerations

When repairing cracks in your asphalt parking lot, prioritize safety by wearing protective gear such as gloves and goggles. Ensure proper ventilation when using sealants to avoid inhaling harmful fumes.

Before starting any repair work, inspect the area for potential hazards like loose debris or uneven surfaces. Clear the workspace to prevent accidents during the repair process.


Is It Necessary To Seal Cracks In An Old Asphalt Parking Lot?Yes, it is crucial to seal cracks in an old asphalt parking lot to prevent further damage and extend the lifespan of the pavement. Neglecting crack sealing can lead to more extensive repairs and higher costs down the line.

How Can I Effectively Prepare For Crack Sealing On My Asphalt Parking Lot?Before crack sealing, ensure the surface is clean and dry. Remove debris and vegetation from the cracks using a wire brush or air compressor. Proper cleaning and preparation are essential for the sealant to adhere well and provide lasting results.

What Are Some Effective Techniques For Sealing Cracks In An Asphalt Parking Lot?Common techniques include routing the cracks to create a reservoir for the sealant, applying a quality hot pour sealant material, and using a squeegee or trowel to ensure proper coverage. These methods help create a durable seal that protects against water infiltration and further deterioration.

What Maintenance Tips Should I Follow After Repairing Cracks In My Asphalt Parking Lot?After crack repair, regular maintenance is key. Keep the area clean, address new cracks promptly, and consider applying a sealcoat every few years to protect the pavement. Proper maintenance will prolong the life of your asphalt parking lot and minimize future repair needs.

Should I Hire Professionals Or Opt For A Diy Approach When It Comes To Crack Sealing In My Asphalt Parking Lot?While some minor crack sealing tasks can be done DIY, hiring professionals offers expertise, specialized equipment, and high-quality materials that ensure long-lasting results. Professional services save time, provide better warranties, and offer comprehensive solutions tailored to your specific needs.


You’ve now grasped the essentials of sealing cracks in your old asphalt parking lot. Understanding the damage, preparing meticulously, executing effective techniques, and maintaining post-repair are key steps. Whether you opt for professional assistance or choose the DIY route, ensuring a well-maintained parking lot prolongs its lifespan and enhances safety.

Take action today! Implement these tips to seal those pesky cracks and preserve your asphalt lot. Your proactive approach will not only save you money in the long run but also create a safer environment for everyone using your parking space.

For more information regarding our services, contact Super Asphalt Of San Diego at 619-571-4324.

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