Driveway Sealcoating questions, answered by experts
It is not recommended to seal brand-new asphalt immediately. You should wait at least three months after installation to allow the asphalt time to cure properly. Applying a seal coat too soon can trap the asphalt's oils and chemicals, preventing it from fully hardening. This can result in a weaker surface that is more susceptible to damage. After the three-month curing period, sealing the asphalt is beneficial as it can extend its lifespan by protecting it from water, UV rays, and other damaging elements.
New asphalt goes through two stages: drying and curing. Drying typically takes 24 to 72 hours, after which the surface is solid enough for light use like walking or careful driving. While you may be able to park on it after 72 hours, the surface is still soft and should be treated gently. Full curing is a much longer process, taking anywhere from 30 days to a full year for the asphalt to reach maximum strength. During this extended curing period, the asphalt is susceptible to damage from heavy vehicles, sharp objects, and high temperatures. Factors like weather, the specific asphalt mix, and application thickness all influence drying and curing times. For the most accurate timeline and to ensure the longevity of your new asphalt, it is always best to consult with your installation contractor for their specific recommendations.
You should contact your driveway installer before winterizing a newly installed driveway. Winterizing it before the asphalt or concrete has fully cured can damage the driveway. But in many cases, you don't need to winterize a newly installed driveway anyway since it's likely freshly sealed and won't have much damage yet.
If your asphalt driveway shows cracks, potholes, or standing water, it’s likely time for a repair. Cracks, big or small, let water seep in, weakening the base and causing further damage. Potholes are a sign of this weakening process in action while standing water suggests your driveway has poor drainage, which can cause even more issues. You may also see warping or buckling—a sign of a compromised base layer—or sinking pavement. Spotting these signs early on can help you save yourself a bigger repair bill in the future.
Every 2-3 years, depending on climate and usage, to protect against weathering and cracking.
The Gregory, SD homeowners’ guide to driveway sealcoating
From average costs to expert advice, get all the answers you need to get your job done.
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The average driveway coating takes between 30 minutes and eight hours to dry, but weather and sealant type can influence the dry time. Read on to learn more.