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Asphalt driveways are durable, long-lasting, and an attractive part of your property. But even though asphalt paving is relatively low-maintenance, there are certain materials and situations that can degrade it, especially if proper care is not taken. Below are five factors to watch for.

What Degrades an Asphalt Driveway?

1. Water

Water in any form will be absorbed by asphalt paving. Whether rainwater or ice, precipitation can lead to erosion and will widen existing cracks and holes. Water can also harden the bitumen, the sticky binding agent that gives asphalt its flexibility and versatility.

2. Freezing & Thawing Cycle

When water gets into the sublayers of asphalt paving through cracks and holes, the driveway is at risk for freezing and thawing as temperatures fluctuate in Southern winters. This constant expansion and contraction will make small imperfections larger and lead to resurfacing instead of simple repair.

3. Oil & Other Fluids

asphalt pavingVehicle fluids impact asphalt, especially if they get into sublayers. Oil stains especially degrade the bitumen, leading to rigid, crumbling driveways. Some fluids like coolant are also toxic for people and pets. It’s best to clean up vehicle fluids quickly.

4. The Sun

UV rays will oxidize bitumen in pavement, causing it to harden and lose elasticity. Once that flexibility is degraded, holes and fissures will soon follow as the surface begins to crumble. You’ll also notice your clean blacktop turn a dull gray over time.

5. Traffic

Even though driveways are designed to bear the weight of vehicles, wear and tear are inevitable over time, especially if the same exact paths and parking spots are used every day. Eventually, the weight of the cars will weaken asphalt, and this accelerates in the high heat of summer.

 

For almost 50 years, Bennett Paving LLC has been the paving company to call for homes and businesses in Cookeville, TN, and surrounding areas. When your asphalt paving is showing signs of degradation, their expert team and techniques will improve the safety and appearance of your property. When you need asphalt sealing or driveway resurfacing, call (931) 858-4596. Visit them online for more info on their parking lot and pavement services.

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