For a low-cost alternative, Kane Detention's Modular Jail Cells offer an excellent pre-fabricated solution. Courthouses, airports, sports arenas and law enforcement precincts have all used Kane's Holding Cells for detainees. Our holding cells fit comfortably under an 8' ceiling and can be constructed in about a day's time without any field welding or cutting required.  The width and depth of these cells are designed and fabricated to your specifications. The tubular constructed walls provide a solid look and feel.