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Q: How warm does it need be? What temperatures? Is it too cold? |
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A: This is a question generally raised during winter months. For Asphalt paving, temperature need to be at least 40 degrees and rising for commercial, and for residential at least 50 degrees and rising. Asphalt paving has a better finish the warmer the ambient temperature is. Thickness of asphalt also plays a role in how warm it should be for an ideal finish. The thicker the layer, the longer it retains heat; making it easier to obtain a good finish.
For seal-coating, it needs to be 50 degrees and rising with no overnight chance for frost. Sealcoating may be damaged by cold temperatures. Colder temperatures also affect how sealer cures. During the cure process, asphalt sealer undergoes molecular changes that are highly affected by temperature and sun exposure. Ideal temperatures for sealcoating are between 65 and 90 degrees.
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