Before choosing a 55 gallon drum cover or 55 gallon drum lid, know where your drums are to be stored, outside or inside. Storing drums outside the plant saves valuable space, but they need protection from the elements, especially from water and sunlight. Consider plastic covers for them. If you are storing drums inside, you need to know what’s inside them and whether the drums will be stacked. Then you can can choose the right 55 gallon drum cover.