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Using salt on a parking lot during cold weather can be both beneficial and detrimental to asphalt, depending on various factors.


Snow and Ice Melting: Salt is commonly used as a de-icer to melt snow and ice on road surfaces, including parking lots. It lowers the freezing point of water, helping to prevent the formation of ice.

Safety: Applying salt can improve the safety of the parking lot by reducing the risk of slips and falls due to icy surfaces.


Asphalt Durability: While salt helps with de-icing, excessive and prolonged use of salt can be detrimental to the asphalt. Salt can contribute to the deterioration of asphalt surfaces over time, leading to cracks and potholes.

Environmental Impact: The use of salt can have environmental consequences. When it melts ice, the salt runoff can end up in nearby soil and water bodies, potentially harming vegetation and aquatic life. Some environmentally friendly alternatives, like calcium magnesium acetate or sand, may be considered.

Temperature: The effectiveness of salt as a de-icer depends on the temperature. In extremely low temperatures, salt may not work as well, and alternative methods may be needed.

Best Practices:\​​​​
Moderation: Using salt in moderation is crucial. Excessive application can accelerate asphalt deterioration.

Combination with Sand: Combining salt with sand can enhance traction while reducing the amount of salt needed. Sand alone does not melt ice but provides traction on slippery surfaces.

 Alternative De-icers: Consider alternative de-icers that are less harmful to the environment and asphalt. These may include calcium chloride, magnesium chloride, or potassium acetate.

Regular Maintenance: Properly maintaining the parking lot, including prompt repairs of any cracks or potholes, can help mitigate the long-term impact of salt and other de-icing agents.

In summary, while salt can be an effective short-term solution for de-icing, it's important to use it judiciously and be aware of its potential long-term effects on both the asphalt and the environment. Balancing safety concerns with environmental and infrastructure considerations is key.

Call us today to order your Asphalts 405-439-4361

Photo by Damian McCoig on Unsplash

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