How Weather Affects Tarmac Driveways

Tarmac driveways are known for their durability and versatility, but like all outdoor surfaces, they are affected by weather conditions. Understanding how different weather elements impact tarmac can help homeowners and businesses take preventive measures to protect their driveways.

1. Heat and Sunlight

High temperatures and prolonged exposure to sunlight can cause
tarmac driveways to soften. In extreme heat, the tar in the tarmac becomes more malleable, which may lead to indentations if heavy vehicles or objects are placed on it. Over time, UV rays from the sun can also cause the surface to fade, turning it from a deep black to a lighter grey. To mitigate these effects, applying a protective sealant can help reduce sun damage and extend the life of the tarmac.

2. Cold Weather and Frost

Cold temperatures can have a significant impact on tarmac driveways, especially in regions where freezing and thawing cycles occur. Water can seep into small cracks or pores in the tarmac and freeze, expanding and causing cracks to widen. Over time, this process weakens the structure of the driveway, leading to potholes or surface damage. Regular maintenance, such as sealing cracks and ensuring proper drainage, can help prevent water infiltration and freeze-related damage.

3. Rain and Moisture

Excessive rain and moisture can affect tarmac driveways by eroding the surface over time, particularly if the driveway does not have adequate drainage. Standing water can seep into cracks and contribute to water-related damage, especially during cold weather when freezing occurs. Ensuring proper water runoff and filling cracks promptly can help prevent water damage.

Conclusion

Weather can impact the performance and longevity of tarmac driveways, but with regular maintenance and protective measures, these effects can be minimized. Taking steps to address issues caused by heat, cold, and moisture will ensure your tarmac driveway remains durable and long-lasting.