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Using road salt keeps my driveway free of ice during the winter months (mostly) and I combine that with shoveling. But I'm sure the rock salt isn't the best way to go as it can cause damage to cars it must be doing crazy damage to the lawn and animals around here too. So what can I use instead of the salt that will keep the driveway and sidewalk free of ice but do as little harm to the environment (and my car) as possible? |
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Salt clears the ice by lowering the melting point so it melts. This only really works when the temperature is close to freezing. If it gets very much lower (around -6 C or 20 F) the salt can't melt the ice and will be frozen into it. As an alternative, you can spread some grit or sand over the ice, it doesn't melt the ice as well, but provides a rougher surface that your car can get traction on. If you have clay soil, then some sand will be good for the soil anyway as it helps with drainage. |
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I would recommend using sand, grit or similar to improve the grip while simply leaving the frozen ice in place. |
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