Wind speed, surface and air temperature all affect how quickly asphalt dries and, as such, affect the amount of time operators have to work with it. Asphalt will dry much faster during cold weather months than it does in warm weather months. An experienced crew will know how to produce ideal results even when conditions outside are not ideal. While the method of paving asphalt differs during the cold months than it does during warm months, it is not impossible. Porous asphalt can work through up to 70% of precipitation each year, allowing it to be highly functional in damp conditions and better for the environment. This type of road can prevent flooding and returns water to local water tables. This advancement in asphalt technology makes roads safer to use and is more environmentally-friendly. There is a new type of asphalt called porous asphalt that allows water to run through it. Hail, snow, and freezing rain also come with cold weather in the winter months and can damage asphalt. Areas that experience mostly hot temperatures throughout the year will also require a different type of asphalt. It eliminates the need to repair much of the damage caused by cold weather. This type of pavement is designed to withstand constant freezing and thawing and can hold up against deicing compounds like salt. Locationīecause Toronto experiences such an extreme range of temperatures throughout the year, hot-mix asphalt is commonly used. That is why repairing asphalt in cold weather is not useful for maintaining the surface’s integrity. This can cause asphalt to crack, which weakens it and shortens its life expectancy.
In winter, asphalt tends to contract because of the low temperatures outside.
External factors can damage the integrity of asphalt and are essential to consider when maintaining or repairing this material. It can start to crack from the constant rise and fall of temperatures. Frigid and unpredictable weather can take its toll on asphalt during the winter months.
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