What is allowed in a storage unit? Some people have suggested that I brew my home-brew beer in a storage unit to get it out of the house, but I quickly learned that many storage facilities frown on such activity. After finding this out, I started looking into the other things that are prohibited in self-storage units. Anything that may be prohibited in self-storage will be listed here on my blog. There is also information about things that may be permitted in some facilities but banned in another. I hope, the information contained here will take the question out of what you are allowed to store in your storage unit.