How can I treat my wooden walkway so it'll have a tread when it's icy?

Khelli Boyd
by Khelli Boyd

I fell on it a few years ago and have been looking for a way to add a tread or texture of some sort to it. It is pretty flat, interconnects out parking area to our house for my mom's power wheelchai. But when we get ice it get dangerous! Don't want to use salt as it will eat up the wood. Any suggestions?

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