Why Is My Driveway Still Icy Even After the Snow Removal Crew Has Been?
The snow removal crew came on schedule per the contract, and the accumulated snow was properly cleared, but a layer of ice persists underfoot, making the driveway just as dangerous as before they came.
Why snow removal alone doesn't fix ice
Mechanical snow removal (shovel, blower, or plow) effectively clears accumulated snow, but can't remove a layer of ice already formed and adhered to the asphalt or concrete — that's a physically different problem requiring a separate treatment, generally an abrasive or a de-icer.
Why ice forms despite timely snow removal
| Cause | How it leads to ice formation |
|---|---|
| Freeze-thaw cycle during the day | Snow partially melts in the sun then refreezes at night, forming a layer of ice |
| Snow compacted by traffic before the crew arrives | A compacted layer turns to ice even after the uncompacted snow is removed |
| Runoff water coming from elsewhere (roof, neighboring lot) | Creates ice independently of the snow removal itself |
| Gap between visits per the contract | Snow not cleared quickly can partially melt and refreeze before the next visit |
What should normally be included in a snow removal contract
A full-service contract generally includes spreading an abrasive (sand) or a de-icer (salt) on top of simply clearing snow, a combination needed to handle both the snow and the ice that can form independently. Check your contract's exact terms to confirm whether this combination is included or represents an add-on service.
How to manage ice while waiting for the next visit
An abrasive like sand or gravel, applied yourself, offers immediate traction without waiting for a de-icer that takes longer to work, particularly useful while waiting for the temperature to rise enough for the de-icer to be effective.
When to contact your snow removal company to clarify the service
If ice persists regularly despite snow being cleared on time per the contract, a discussion with the company to confirm whether de-icer or abrasive spreading is part of the service or needs to be added to the contract clarifies expectations for the rest of the season.
Frequently asked questions
Is salt always effective regardless of temperature?+
No, standard salt loses effectiveness below about -10°C, sometimes requiring a different de-icing product for more extreme cold.
Can I request de-icer spreading be added to my existing contract?+
Most companies offer this option, generally for an added cost — contact your company to learn what options are available.
Is sand as effective as salt for traction?+
Sand offers immediate traction but doesn't melt ice like salt does — the two play complementary rather than interchangeable roles.
Can roof runoff cause ice despite good snow removal?+
Yes, water draining from the roof onto the driveway can refreeze independently of the driveway's own snow removal, a distinct problem requiring separate management.
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More to know before your project.
By Éric Gagné — RBQ-licensed roofer, roofing and roof snow removal specialist
Updated on July 22, 2026