Home · De-icing guide

De-icing guide

Salting vs. Sand: What's Best for Your Connecticut Driveway?

By ResiSnow · Updated October 2026 · Windsor, CT

Clearing the snow is only half the battle. The real troublemaker in a Connecticut winter is what the snow leaves behind — ice. A driveway that looks fine at noon can turn into a sheet of glass by 5 PM when the sun drops and everything refreezes. That's where de-icing comes in, and it's worth knowing the difference between what goes on your driveway and what goes on your walkway, because they're not the same job.

Rock salt: the workhorse for driveways

Rock salt (sodium chloride) is the standard for a reason. It's inexpensive, effective on driveways, and it does its main job: it melts ice by lowering the freezing point of water, so the refreeze that turns a wet driveway into a skating rink doesn't happen as fast. For a flat asphalt or concrete driveway in Windsor or East Windsor, rock salt per application is the practical, proven choice.

Rock salt does have limits. It works more slowly in bitter cold than premium products, and like any de-icer it shouldn't be piled on — more isn't better, and excess salt can damage nearby grass and plantings when meltwater runs off in spring. A proper application is an even spread over the surface, not a pile at the end of the driveway.

Calcium chloride: the cold-weather specialist

Calcium chloride is a different animal. It melts ice faster and keeps working at much lower temperatures than rock salt, and it's gentler on concrete — which is exactly why ResiSnow uses it on walkways and sidewalks instead of rock salt. Your walkway and sidewalk concrete is thinner than a driveway slab and gets foot traffic, so the concrete-friendly option is the right one there. That's not upselling; it's matching the product to the surface.

The plain-English rule: rock salt where you drive, calcium chloride where you walk. A walkway that ices over is a bigger liability and injury risk than a driveway, so the faster-acting, concrete-gentler product earns its spot there.

What about sand?

Sand gives traction but doesn't melt anything. On a sunny afternoon with bare pavement, sand helps your footing. On black ice at 20 degrees, it mostly sits on top and blows away. Sand has its place — mixed with salt it can help on packed ice — but as a standalone answer to ice, it doesn't solve the refreeze problem. If you want ice gone, you need a de-icer.

When salting matters most

Some situations make salting non-negotiable:

• Ice under the snow. Rain that changes to snow, or snow that half-melts and refreezes, leaves a slick base layer under the snow. Plowing takes the snow off and exposes it — salting is what handles it.
• Overnight refreeze. Daytime sun melts snow at the edges of the driveway, and that water runs onto the pavement and freezes hard after dark. A salted driveway resists that refreeze.
• Shaded areas. North-facing driveways and sections shadowed by the house or trees never get the sun's help. They stay icy longer and need de-icer more than any other spot.
• Town-plow windrows at the end of the driveway. The street plow pushes slush onto the driveway apron, which freezes solid. Salting the apron area helps break that cycle.

What salting costs with ResiSnow

Prices reflect current fuel, insurance, and operating costs and are subject to change.

A quick DIY note, and an honest caveat

If you salt between visits yourself, buy before the storm, not during it — stores sell out fast. Spread it on cleared pavement after plowing, not on top of fresh snow, so it works on the ice layer directly. And keep it off your lawn as much as you can.

One honest caveat: salting reduces the risk of icy surfaces, but no service can guarantee a surface will never be slippery. As the property owner, you remain responsible for the safety of your premises, and ResiSnow is not responsible for slip-and-fall incidents occurring during or after a snowstorm. Salting is smart prevention — it isn't a promise the ground will never be slick.

If you're not sure what your property needs, reading our guide to snow removal costs and our snow removal contract guide will help you size up the options before winter. Or skip the research and just call — we'll tell you straight what's worth it for your driveway.