For years, renters have used temporary walls to subdivide apartments into affordable slices for roommates. But due to a fire-safety-related crackdown by the city, many management companies and landlords no longer permit walls that reach the ceiling. Enter the bookshelf wall, like those pictured above. They don't reach the ceiling--typically topping out about a foot below--so they are technically considered furniture.
Functional Room Dividers That Were Made For Small Spaces