How Summer Heat Affects Your Asphalt Driveway (And What You Can Do to Protect It)
Updated: Jul 31
As summer temperatures climb, most homeowners focus on keeping their homes and vehicles cool—but your driveway is feeling the heat, too.
Asphalt is built to withstand changing weather conditions, but prolonged exposure to high temperatures and direct sunlight can make it more susceptible to damage. Understanding how summer heat affects your driveway can help you prevent costly repairs and keep your pavement looking its best for years to come.
Why Does Heat Affect Asphalt?
Asphalt is a flexible paving material made from aggregates bound together with asphalt cement, a petroleum-based binder. During hot weather, that binder softens slightly, making the surface more vulnerable to heavy loads, sharp turns, and everyday wear.
This doesn't mean your driveway is failing—it simply means it needs a little extra care during periods of extreme heat.
1. Softened Pavement
When temperatures climb into the 80s, 90s, or higher, asphalt becomes softer than usual. As a result, your driveway is more vulnerable to pressure and surface damage.
Common causes of damage during hot weather include:
Heavy trucks or delivery vehicles
RVs, campers, or trailers parked for extended periods
Motorcycle kickstands creating small depressions
Turning your steering wheel while your vehicle is stopped
These actions can leave marks, dents, or scuffs that may become more noticeable over time.
2. Preventing Scuff Marks with Play Sand
One of the most common summertime issues we see is tire scuff marks caused when vehicles turn on softened asphalt. This is especially common when backing out of a driveway or turning the steering wheel while the vehicle is not moving.
A simple, inexpensive solution is to spread clean play sand over the areas where your vehicle typically turns.
The sand acts as a protective barrier between your tires and the softened asphalt, reducing friction and helping prevent scuff marks from forming.
For best results:
Spread play sand generously in areas where vehicles commonly turn.
Reapply the sand after heavy rain or whenever it has washed away.
Continue using sand throughout periods of prolonged hot weather.
At Coastal Paving, we recommend this simple maintenance tip to our customers every summer because it can significantly reduce surface scuffing and help preserve your driveway's appearance.
3. Heavy Vehicles Can Leave Impressions
During periods of extreme heat, asphalt is more susceptible to indentations from concentrated weight.
Whenever possible, avoid leaving:
Dumpsters
Moving trucks
RVs
Boats on trailers
Construction equipment
parked in the same location for extended periods.
If these vehicles must be parked on your driveway, try to move them periodically to distribute the weight more evenly.
4. Oxidation and UV Damage
Heat isn't the only concern—sunlight also takes a toll.
Over time, ultraviolet (UV) rays break down the oils that help keep asphalt flexible. This process, called oxidation, causes the pavement to:
Fade from deep black to gray
Become brittle
Develop small surface cracks
Wear out more quickly
Regular sealcoating helps protect against UV damage while restoring your driveway's appearance.
5. Existing Cracks Can Get Worse
Small cracks may not seem like a major concern, but summer heat can cause them to expand.
Once temperatures cool or moisture enters those cracks, they can grow larger and eventually require more extensive repairs.
Repairing cracks early is one of the most cost-effective ways to extend the life of your driveway.
How to Protect Your Asphalt Driveway During Summer
Fortunately, protecting your investment doesn't require much effort.
Here are a few simple tips:
Avoid turning your steering wheel while your vehicle is stopped.
Spread play sand in high-turn areas to help prevent tire scuff marks.
Limit parking heavy vehicles on your driveway during periods of extreme heat.
Repair cracks before they become larger problems.
Schedule regular sealcoating to protect against UV damage and moisture.
Keep your driveway clean by removing dirt, leaves, and debris.
When Should You Sealcoat?
Most asphalt driveways benefit from sealcoating every 2 to 3 years, depending on traffic, weather exposure, and the condition of the pavement.
Sealcoating helps:
Protect against sunlight and oxidation
Resist water penetration
Improve curb appeal
Extend the lifespan of your driveway
If your driveway has begun to fade or shows signs of wear, it may be time for a fresh protective coat.
Protect Your Investment with Coastal Paving
Summer heat is unavoidable, but damage to your driveway doesn't have to be.
By taking a few simple precautions—such as avoiding unnecessary stress on softened asphalt, using play sand in areas where vehicles turn, limiting heavy vehicle traffic, and staying on top of routine maintenance—you can help your driveway stay strong and attractive for years to come.
If your driveway has developed cracks, scuff marks, or other signs of wear, the team at Coastal Paving is here to help. We provide professional asphalt paving, repair, sealcoating, and maintenance services throughout Southern Maine.
Contact Coastal Paving today for a free estimate and let our experienced team help protect your driveway in every season. Get your free estimate today.
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