If your shipping or storage container is located in a cold, snowy area and you need regular access to it, frozen doors might be a problem for you. It's normal in some climates that the snow blows horizontally across the ground, and if the storage container maintains a temperature that's above the surrounding environment it could cause the snow and ice to regularly melt and refreeze in gusting winds and heavy or persistent snow. Unfortunately, there's no sure cure for frozen doors. However some preventative measures can be taken to help manage the issue.

What You Don't Want to Do

One idea that was presented and quickly dismissed was keeping a mallet, rubber or otherwise, on hand and giving the hinges and rods a good smack to break up the ice. While this will work to break up the ice, it can also damage the hinges and locking gear, making it hard to not only open your doors in icy conditions, but also in warmer conditions.