mezzanines steel shelving systems lockers MEZZANINES Structural Mezzanines: Instant-Space™ mezzanines are designed to suit your layout, load capacity and requirements The design of Instant-Space modular components provide you with the ability to modify your mezzanine at any time. These mezzanines allow you to accomodate your company's future growth and to ensure that lost height gets used to the maximum. Long span mezzanine systems are becoming increasingly popular as they provide affordable solutions to costly problems and offer a good return on your investment.