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The main characteristics of spiral staircases or a round staircase are their central columns and a compact, circular staircase design, which means relatively little surface area is required for installation. Experienced spiral staircase manufacturers, including a spiral metal staircase, provide a wide choice of materials and design options ensuring that the resulting stair suits the space it is created for. A commercial spiral staircase or spiral staircase uk for instance, might be substantiall
