- Spangle Steel Products explains that mezzanine floors are intermediate steel platforms installed between the floor and ceiling of a building to create additional usable space. These structures are widely used in warehouses, factories, and commercial facilities to maximize vertical height efficiently. Made from heavy-duty steel, mezzanine floors can support storage areas, office cabins, or production sections without requiring major construction or relocation, making them a cost-effective expansion solution. Read More: https://www.spanglesteel.net/mezzanine-floors.htm