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| Helical |
| External Use Helical staircases are designed to architects' specific requirements and they are often the main feature staircase. The most commonly used stringers are manufactured from 300mm x 12mm flat, mild steel bar, but we can supply channel box section and tubular designs. Helical staircase with stepped flat bar stringers, carpet-covered steel treads, four 27mm-diameter intermediate and 50mm-diameter powder-coated handrails. |
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