Owning a beautifully paved asphalt driveway is a point of pride for many homeowners. But like any investment, an asphalt driveway requires maintenance to maximize its lifespan. By understanding the causes of wear and applying a few smart maintenance steps, you can significantly extend the life of your asphalt driveway and save on costly repairs.
Here’s a complete guide on how to care for your asphalt driveway so it stays in top condition for years to come.
Why Asphalt Deteriorates Over Time
Asphalt is durable, but exposure to certain elements and conditions can gradually erode its quality. Here’s a closer look at what wears down asphalt driveways.
Exposure to Elements
Your driveway is constantly exposed to sunlight, water, and temperature fluctuations. Sunlight, in particular, is damaging; UV rays break down the chemical bonds in asphalt, making it brittle and prone to cracks. Rain, snow, and even seasonal changes can contribute to its deterioration. Freeze-thaw cycles are especially challenging, as expanding ice can widen small cracks into larger, more problematic areas.
Regular Use and Weight Pressure
Vehicles are a primary reason driveways experience wear. The regular weight of cars, especially larger ones, can cause depressions and cracks over time. Asphalt has some flexibility but can wear down if it consistently bears excessive weight.
Chemical Exposure
Oil, gasoline, and even household chemicals can seep into asphalt and weaken it. They soften the surface, making it more susceptible to dents, cracks, and potholes. Cleaning up these spills quickly can help protect the surface.
Key Steps to Extend Your Asphalt Driveway's Lifespan
Taking proactive measures to care for your driveway will preserve its appearance and structural integrity. Here are some maintenance practices to help extend the lifespan of your asphalt driveway.
1. Sealcoating Regularly
Sealcoating is an essential protective measure for asphalt driveways, as it shields the surface from harmful elements.
What is Sealcoating?
Sealcoating involves applying a protective layer over the asphalt, which helps block UV rays, water, and chemicals from penetrating its surface. This protective layer keeps the asphalt from becoming brittle and cracked.
Frequency of Sealcoating
Ideally, a driveway should be sealcoated every two to three years. Timing is also key—warmer months are best for sealcoating (May thru Oct in the northeast), as the sealant needs time to cure properly.
How Sealcoating Helps
Sealcoating significantly reduces the effect of sunlight and moisture on your driveway, preventing early deterioration. By maintaining this protective barrier, you reduce the risk of cracks and water damage, preserving the asphalt’s lifespan.
2. Proper Drainage Maintenance
Water is one of asphalt’s biggest enemies, so managing it effectively is critical to extending the life of your driveway.
Importance of Water Management
Water that sits on the surface or seeps below the asphalt can erode its layers, especially in winter when it freezes and expands. Proper drainage prevents water from damaging the foundation of the driveway.
Steps to Maintain Proper Drainage
3. Filling Cracks and Potholes Promptly
Small cracks can turn into significant issues if left unattended. Addressing these imperfections quickly can prevent them from spreading.
Identifying Cracks Early
Look for hairline cracks, linear cracks, and more severe alligator cracks. These cracks expose the surface to moisture and other elements, leading to faster deterioration if not managed promptly.
How to Fill Cracks Properly
For minor cracks (less than a quarter-inch wide), high-quality asphalt crack filler works well. For larger cracks or potholes, professional-grade materials or services are recommended to ensure the repair is durable.
Importance of Timing
The sooner cracks are filled, the better. This is especially true before winter when freeze-thaw cycles can worsen existing cracks, leading to more extensive (and costly) repairs.
4. Avoiding Heavy Loads and Sharp Objects
Although asphalt is resilient, it’s best to be mindful of the weight and pressure it bears.
Impact of Heavy Vehicles
Parking heavy vehicles, trailers, or equipment on your driveway regularly can lead to depressions and structural damage. Avoid storing these items on your driveway for extended periods.
Protecting Surface from Sharp Objects
To prevent gouges and scratches, avoid using sharp objects directly on the surface. Use padded jack stands when lifting vehicles or placing heavy objects, and avoid making sharp turns with your car wheels when stationary.
5. Regular Cleaning and Maintenance
Regular cleaning keeps your driveway free from debris that can trap moisture and stain the asphalt.
Removing Stains and Debris
Promptly clean up any oil, gasoline, or chemical spills, as they can break down asphalt and weaken the surface. Also, sweep the driveway monthly to clear away leaves, branches, and dirt.
How to Properly Clean an Asphalt Driveway
Use a mild detergent and water for most stains; however, a degreaser may be necessary for oil and gas spills. Regular cleaning not only keeps the driveway looking good but also prevents surface breakdown from harmful substances.
6. Protecting Against Freeze-Thaw Damage
Winter is one of the toughest seasons for asphalt, but a few winterization strategies can help.
Preparing for Winter
Snow and ice can cause cracking and other issues. To minimize damage, clear snow promptly with a plastic shovel instead of a metal one to prevent scraping the asphalt.
Using De-icers Carefully
Some de-icers can damage asphalt. Calcium chloride is a safer alternative than salt, which can corrode the surface. Use de-icers sparingly to prevent harm while keeping the driveway safe and functional.
7. Resurfacing When Necessary
Even with good maintenance, resurfacing may be necessary over time. Resurfacing involves adding a fresh layer of asphalt to the existing surface, which reinforces the driveway and provides a new, smooth finish.
Understanding When Resurfacing is Needed
Resurfacing is beneficial when the asphalt shows widespread wear, such as multiple small cracks and general fading. It adds another layer of protection and can extend the life of your driveway by up to 15 years.
Benefits of Resurfacing
Resurfacing offers a new top layer and a refreshed appearance, while also providing another level of protection for the underlying layers. Combined with regular maintenance, it’s an effective way to extend the lifespan of your asphalt driveway.
PALERMO PAVING: Your Partner in Hardscape and Driveway Maintenance
PALERMO PAVING doesn’t just handle asphalt driveways; we specialize in a full range of hardscape solutions to enhance your property. From concrete patios and walkways to landscape edging, we provide quality, customized services for both residential and commercial clients.
For all your asphalt maintenance needs and hardscape improvements, PALERMO PAVING is here to help. Let our professionals keep your driveway in top condition for years to come. Contact PALERMO PAVING for a Free Quote.