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Seasonal Considerations for Parking Lot Crack Filling

February 09, 2026

You know how the weather dictates what you wear outside? Well, it does the exact same thing to your pavement. Every season brings its own set of challenges—from the scorching heat of summer to the freezing ice of winter. These temperature swings don't just affect the asphalt itself; they also affect your ability to perform repairs effectively.

Understanding seasonal considerations for parking lot crack filling helps you plan maintenance strategically for the best results.

Spring Repair Plan

Spring's a popular time for pavement maintenance. The weather's warming up, but it's not too hot yet. After a long winter, you'll probably notice new cracks that need attention before they get worse.

Here's what you'll want to focus on:

Clean Thoroughly: Winter leaves behind debris like salt, sand, and dirt. You've got to clean the cracks completely before filling them. Any leftover debris will prevent the filler from sticking properly.
Wait for Dry Weather: Spring showers are common. It's important to work on a dry day when the pavement is completely free of moisture. Water trapped in the crack can ruin the repair.

Summer Crack Management

Summer heat causes asphalt to expand. This can make existing cracks smaller, which might seem like a good thing, but it's not. Filling a crack when it's narrow means the filler won't have enough room to work when the pavement contracts again in the cold.

Here's how to handle summer work:

Work During Cooler Times: Do your repairs in the early morning or on a cooler, overcast day. This gives you a better chance of the cracks being at a more neutral width.
Use the Right Product: You'll need a hot pour crack filler that can handle high temperatures without tracking or running.

Fall Preparation

Fall's the best season for crack filling. The temperatures are moderate, and the pavement has had time to dry out from summer humidity. It’s your last chance to permanently seal damage before winter arrives.

Here's your fall checklist:

Inspect Everything: Do a full walkthrough of your parking lot. Look for any cracks you might have missed and get them filled. An unfilled crack will let water in, which will freeze, expand, and cause major damage over the winter.
Don't Wait Too Long: As fall goes on, the days get shorter and colder. You need to make sure you have enough daylight and warm enough temperatures for the filler to cure correctly.

Winter Considerations

Winter brings snow, ice, and freezing temperatures. It’s incredibly difficult to fix a crack permanently during these months because cold temperatures prevent hot-mix asphalt and sealants from bonding properly to the existing surface, but you can still perform temporary repairs to prevent the damage from worsening before spring.

Here’s what you can do in the colder months:

Watch That Forecast: Try to plan repairs for a dry stretch when temperatures are expected to be as mild as possible during the day.
Clear All Ice and Snow First: Get rid of ice, packed snow, and any meltwater from the cracks before you start. The more moisture they contain, the less the filler will stick.

Year-Round Pavement Health

You can’t stick to one method and expect it to work in every temperature. Adapting your strategy based on these seasonal considerations for parking lot crack filling helps you achieve more durable and long-lasting repairs.

If you need to restock on asphalt crack repair products, shop NAC Supply. Whether it’s spring, summer, fall, or winter, we have high-quality, effective products to help you monitor, maintain, and protect your asphalt all year round.